GS1532 HD-LINX® II Multi-Rate Serializer with ClockCleaner™ GS1532 Data Sheet Key Features Description • SMPTE 292M and SMPTE 259M-C compliant scrambling and NRZ → NRZI encoding (with bypass) • DVB-ASI sync word insertion and 8b/10b encoding • User selectable additional processing features including: The GS1532 is a multi-standard serializer with an integrated cable driver. When used in conjunction with the GO1555/GO1525* Voltage Controlled Oscillator, a transmit solution can be realized for HD-SDI, SD-SDI and DVB-ASI applications. • CRC, ANC data checksum, and line number calculation and insertion • TRS and EDH packet generation and insertion • illegal code remapping • Internal flywheel for noise immune TRS generation • 20-bit / 10-bit CMOS parallel input data bus • 148.5MHz / 74.25MHz / 27MHz / 13.5MHz parallel digital input • Automatic standards detection and indication • Pb-free and RoHS Compliant • 1.8V core power supply and 3.3V charge pump power supply • 3.3V digital I/O supply • JTAG test interface • Small footprint compatible with GS1560A, GS1561, GS9060, and GS9062 Applications • SMPTE 292M Serial Digital Interfaces • SMPTE 259M-C Serial Digital Interfaces • DVB-ASI Serial Digital Interfaces The device features an internal PLL, which can be configured for loop bandwidth as narrow as 100kHz. Thus the GS1532 can tolerate in excess of 300ps jitter on the input PCLK and still provide output jitter well within SMPTE specification. Connect the output clocks from Gennum’s GS4911 clock generator directly to the GS1532’s PCLK input and configure the GS1532’s loop bandwidth accordingly. In addition to serializing the input, the GS1532 performs NRZ-to-NRZI encoding and scrambling as per SMPTE 292M/259M-C when operating in SMPTE mode. When operating in DVB-ASI mode, the device will insert K28.5 sync characters and 8b/10b encode the data prior to serialization. Parallel data inputs are provided for 10-bit multiplexed or 20-bit demultiplexed formats at both HD and SD signal rates. An appropriate parallel clock input signal is also required. The integrated cable driver features an output mute on loss of parallel clock, high impedance mode, adjustable signal swing, and automatic dual slew rate selection depending on HD/SD operational requirements. The GS1532 also includes a range of data processing functions including automatic standards detection and EDH support. The device can also insert TRS signals, calculate and insert line numbers and CRC’s, re-map illegal code words and insert SMPTE 352M payload identifier packets. All processing features are optional and may be enabled/disabled via external control pin(s) and/or host interface programming. The GS1532 is Pb-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous subcomponents are RoHS compliant. *For new designs use GO1555 21498 - 8 February 2007 1 of 51 www.gennum.com GS1532 Data Sheet Functional Block Diagram VCO_GND LF VCO_VCC LB_CONT VCO VCO CP_CAP PCLK LOCKED F V H DETECT_TRS DVB_ASI IOPROC_EN/DIS SMPTE_BYPASS BLANK SD/HD 20bit/10bit Phase detector, charge pump, VCO control & power supply HOST Interface / JTAG test sd/hd bypass DIN[19:0] TRS insertion, Line number insertion, CRC insertion, data blank, codere-map and flywheel I/O Buffer & demux dvb-asi ClockCleaner™ SDO_EN/DIS DVB-ASI sync word insert & 8b/10b encode SMPTE 352M generation EDH generation & SMPTE scramble SDO P -> S SDO RSET Reset RESET_TRST SDOUT_TDO SDIN_TDI SCLK_TCK CS_TMS JTAG/HOST GS1532 Functional Block Diagram 21498 - 8 February 2007 2 of 51 GS1532 Data Sheet Contents Key Features .................................................................................................................1 Applications...................................................................................................................1 Description ....................................................................................................................1 Functional Block Diagram .............................................................................................2 1. Pin Out .....................................................................................................................5 1.1 Pin Assignment ...............................................................................................5 1.2 Pin Descriptions ..............................................................................................6 2. Electrical Characteristics ........................................................................................14 2.1 Absolute Maximum Ratings ..........................................................................14 2.2 DC Electrical Characteristics ........................................................................14 2.3 AC Electrical Characteristics.........................................................................16 2.4 Solder Reflow Profiles...................................................................................18 2.5 Input/Output Circuits .....................................................................................19 2.6 Host Interface Maps......................................................................................21 2.6.1 Host Interface Map (Read Only Registers) .........................................22 2.6.2 Host Interface Map (R/W Configurable Registers) .............................23 3. Detailed Description ...............................................................................................24 3.1 Functional Overview .....................................................................................24 3.2 Parallel Data Inputs.......................................................................................24 3.2.1 Parallel Input in SMPTE Mode............................................................25 3.2.2 Parallel Input in DVB-ASI Mode..........................................................25 3.2.3 Parallel Input in Data-Through Mode ..................................................25 3.2.4 Parallel Input Clock (PCLK) ................................................................26 3.3 SMPTE Mode................................................................................................27 3.3.1 Internal Flywheel.................................................................................27 3.3.2 HVF Timing Signal Extraction .............................................................27 3.4 DVB-ASI mode..............................................................................................29 3.4.1 Control Signal Inputs ..........................................................................29 3.5 Data-Through Mode ......................................................................................29 3.6 Additional Processing Functions...................................................................30 3.6.1 Input Data Blank .................................................................................30 3.6.2 Automatic Video Standard Detection..................................................30 3.6.3 Packet Generation and Insertion ........................................................32 3.7 Parallel-To-Serial Conversion .......................................................................39 3.8 Serial Digital Data PLL..................................................................................40 3.8.1 External VCO......................................................................................40 3.8.2 Lock Detect Output .............................................................................40 3.8.3 Loop Bandwidth Adjustment ...............................................................41 3.9 Serial Digital Output ......................................................................................41 3.9.1 Output Swing ......................................................................................42 21498 - 8 February 2007 3 of 51 GS1532 Data Sheet 3.9.2 Serial Digital Output Mute...................................................................42 3.10 GSPI Host Interface ....................................................................................42 3.10.1 Command Word Description.............................................................43 3.10.2 Data Read and Write Timing ............................................................44 3.10.3 Configuration and Status Registers ..................................................45 3.11 JTAG...........................................................................................................45 3.12 Device Power Up ........................................................................................47 3.13 Device Reset...............................................................................................47 4. Application Reference Design ................................................................................48 4.1 Typical Application Circuit .............................................................................48 5. References & Relevant Standards.........................................................................49 6. Package & Ordering Information............................................................................50 6.1 Package Dimensions ....................................................................................50 6.2 Packaging Data.............................................................................................51 6.3 Ordering Information .....................................................................................51 7. Revision History .....................................................................................................52 21498 - 8 February 2007 4 of 51 GS1532 Data Sheet 1. Pin Out IO_VDD 53 52 IO_VDD 54 DIN2 55 DIN3 56 DIN4 57 DIN5 58 DIN7 DIN10 59 DIN6 DIN11 DIN8 IO_VDD DIN9 DIN12 IO_GND DIN13 48 DIN14 49 DIN15 51 50 DIN17 60 DIN16 IO_GND 1.1 Pin Assignment 47 46 45 44 43 42 41 61 40 IO_GND DIN18 62 39 DIN1 DIN19 63 38 DIN0 CORE_VDD 64 37 CORE_VDD NC 65 36 H NC 66 35 V DETECT_TRS 67 34 F CORE_GND 68 33 CORE_GND PCLK 69 32 BLANK NC 70 31 NC NC 71 30 SCLK_TCK LOCKED 72 29 SDIN_TDI VCO 73 28 SDOUT_TDO CS_TMS JTAG/HOST 21498 - 8 4 5 6 7 8 9 10 February 2007 11 12 13 14 15 16 17 18 19 20 CD_VDD 3 SMPTE_BYPASS 2 RSET SDO_EN/DIS 1 NC CD_GND 21 NC 22 80 NC 79 CP_GND NC LB_CONT IOPROC_EN/DIS SDO SD/HD 23 20bit/10bit 78 NC CP_CAP DVB_ASI LF SDO NC RESET_TRST 24 NC 25 77 NC 76 RSV VCO_VCC NC 26 PD_VDD 75 PD_GND 74 VCO_GND CP_VDD VCO 27 5 of 51 GS1532 Data Sheet 1.2 Pin Descriptions Table 1-1: Pin Descriptions Pin Number Name Timing Type Description 1 CP_VDD – Power Power supply connection for the charge pump. Connect to +3.3V DC analog. 2 PD_GND – Power Ground connection for the phase detector. Connect to analog GND. 3 PD_VDD – Power Power supply connection for the phase detector. Connect to +1.8V DC analog. 4, 6-8, 10, 14-17, 31, 65, 66, 70, 71 NC – – No connect. 5 RSV – – Reserved. Connect to Analog GND. 9 DVB_ASI Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. When set HIGH in conjunction with SD/HD = HIGH and SMPTE_BYPASS = LOW, the device will be configured to operate in DVB-ASI mode. When set LOW, the device will not support the encoding of received DVB-ASI data. 11 SD/HD Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. When set LOW, the device will be configured to transmit signal rates of 1.485Gb/s or 1.485/1.001Gb/s only. When set HIGH, the device will be configured to transmit signal rates of 270Mb/s only. 12 20bit/10bit Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to select the input data bus width in SMPTE or Data-Through modes. This signal is ignored in DVB-ASI mode. When set HIGH, the parallel input will be 20-bit demultiplexed data. When set LOW, the parallel input will be 10-bit multiplexed data. 21498 - 8 February 2007 6 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description 13 IOPROC_EN/DIS Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to enable or disable I/O processing features. When set HIGH, the following I/O processing features of the device are enabled: • EDH Packet Generation and Insertion (SD-only) • SMPTE 352M Packet Generation and Insertion • ANC Data Checksum Calculation and Insertion • Line-based CRC Generation and Insertion (HD-only) • Line Number Generation and Insertion (HD-only) • TRS Generation and Insertion • Illegal Code Remapping To enable a subset of these features, keep IOPROC_EN/DIS HIGH and disable the individual feature(s) in the IOPROC_DISABLE register accessible via the host interface. When set LOW, the I/O processing features of the device are disabled, regardless of whether the features are enabled in the IOPROC_DISABLE register. 18 SMPTE_BYPASS Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. When set HIGH in conjunction with DVB_ASI = LOW, the device will be configured to operate in SMPTE mode. All I/O processing features may be enabled in this mode. When set LOW, the device will not support the scrambling or encoding of received SMPTE data. No I/O processing features will be available. 19 RSET Analog Input Used to set the serial digital output signal amplitude. Connect to CD_VDD through 281Ω +/- 1% for 800mVp-p single-ended output swing. 20 CD_VDD – Power Power supply connection for the serial digital cable driver. Connect to +1.8V DC analog. 21 SDO_EN/DIS Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to enable or disable the serial digital output stage. When set LOW, the serial digital output signals SDO and SDO are disabled and become high impedance. When set HIGH, the serial digital output signals SDO and SDO are enabled. 22 CD_GND – Power Ground connection for the serial digital cable driver. Connect to analog GND. 23, 24 SDO, SDO Analog Output Serial digital output signal operating at 1.485Gb/s, 1.485/1.001Gb/s, or 270Mb/s. The slew rate of these outputs is automatically controlled to meet SMPTE 292M and 259M specifications according to the setting of the SD/HD pin. 21498 - 8 February 2007 7 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description 25 RESET_TRST Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to reset the internal operating conditions to default settings and to reset the JTAG test sequence. Host Mode (JTAG/HOST = LOW) When asserted LOW, all functional blocks will be set to default conditions and all input and output signals become high impedance, including the serial digital outputs SDO and SDO. Must be set HIGH for normal device operation. JTAG Test Mode (JTAG/HOST = HIGH) When asserted LOW, all functional blocks will be set to default and the JTAG test sequence will be held in reset. When set HIGH, normal operation of the JTAG test sequence resumes. 26 JTAG/HOST Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to select JTAG Test Mode or Host Interface Mode. When set HIGH, CS_TMS, SDOUT_TDO, SDI_TDI and SCLK_TCK are configured for JTAG boundary scan testing. When set LOW, CS_TMS, SDOUT_TDO, SDI_TDI and SCLK_TCK are configured as GSPI pins for normal host interface operation. 27 CS_TMS Synchronous with SCLK_TCK Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Chip Select / Test Mode Select Host Mode (JTAG/HOST = LOW) CS_TMS operates as the host interface chip select, CS, and is active LOW. JTAG Test Mode (JTAG/HOST = HIGH) CS_TMS operates as the JTAG test mode select, TMS, and is active HIGH. NOTE: If the host interface is not being used, tie this pin HIGH. 28 SDOUT_TDO Synchronous with SCLK_TCK Output CONTROL SIGNAL OUTPUT Signal levels are LVCMOS/LVTTL compatible. Serial Data Output / Test Data Output Host Mode (JTAG/HOST = LOW) SDOUT_TDO operates as the host interface serial output, SDOUT, used to read status and configuration information from the internal registers of the device. JTAG Test Mode (JTAG/HOST = HIGH) SDOUT_TDO operates as the JTAG test data output, TDO. 21498 - 8 February 2007 8 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type 29 SDIN_TDI Synchronous with SCLK_TCK Input Description CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Serial Data In / Test Data Input Host Mode (JTAG/HOST = LOW) SDIN_TDI operates as the host interface serial input, SDIN, used to write address and configuration information to the internal registers of the device. JTAG Test Mode (JTAG/HOST = HIGH) SDIN_TDI operates as the JTAG test data input, TDI. NOTE: If the host interface is not being used, tie this pin HIGH. 30 SCLK_TCK Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Serial Data Clock / Test Clock. Host Mode (JTAG/HOST = LOW) SCLK_TCK operates as the host interface burst clock, SCLK. Command and data read/write words are clocked into the device synchronously with this clock. JTAG Test Mode (JTAG/HOST = HIGH) SCLK_TCK operates as the JTAG test clock, TCK. NOTE: If the host interface is not being used, tie this pin HIGH. 32 BLANK Synchronous with PCLK Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to enable or disable input data blanking. When set LOW, the luma and chroma input data is set to the appropriate blanking levels. Horizontal and vertical ancillary spaces will also be set to blanking levels. When set HIGH, the luma and chroma input data pass through the device unaltered. 33, 68 CORE_GND – Power 34 F Synchronous with PCLK Input Ground connection for the digital core logic. Connect to digital GND. CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to indicate the ODD / EVEN field of the video signal when DETECT_TRS is set LOW. The device will set the F bit in all outgoing TRS signals for the entire period that the F input signal is HIGH (IOPROC_EN/DIS must also be HIGH). The F signal should be set HIGH for the entire period of field 2 and should be set LOW for all lines in field 1 and for all lines in progressive scan systems. The F signal is ignored when DETECT_TRS = HIGH. 21498 - 8 February 2007 9 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description 35 V Synchronous with PCLK Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to indicate the portion of the video field / frame that is used for vertical blanking when DETECT_TRS is set LOW. The device will set the V bit in all outgoing TRS signals for the entire period that the V input signal is HIGH (IOPROC_EN/DIS must also be HIGH). The V signal should be set HIGH for the entire vertical blanking period and should be set LOW for all lines outside of the vertical blanking interval. The V signal is ignored when DETECT_TRS = HIGH. 36 H Synchronous with PCLK Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to indicate the portion of the video line containing active video data when DETECT_TRS is set LOW. The device will set the H bit in all outgoing TRS signals for the entire period that the H input signal is HIGH (IOPROC_EN/DIS must also be HIGH). H signal timing is configurable via the H_CONFIG bit of the IOPROC_DISABLE register, accessible via the host interface. Active Line Blanking (H_CONFIG = 0h) The H signal should be set HIGH for the entire horizontal blanking period, including the EAV and SAV TRS words, and LOW otherwise. This is the default setting. TRS Based Blanking (H_CONFIG = 1h) The H signal should be set HIGH for the entire horizontal blanking period as indicated by the H bit in the received TRS ID words, and LOW otherwise. 37, 64 CORE_VDD – 21498 - 8 Power Power supply connection for the digital core logic. Connect to +1.8V DC digital. February 2007 10 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description 38, 39, 42-48, 50 DIN[0:9] Synchronous with PCLK Input PARALLEL DATA BUS Signal levels are LVCMOS/LVTTL compatible. DIN9 is the MSB and DIN0 is the LSB. HD 20-bit mode SD/HD = LOW 20bit/10bit = HIGH Chroma data input in SMPTE mode SMPTE_BYPASS =HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW HD 10-bit mode SD/HD = LOW 20bit/10bit = LOW High impedance in all modes. SD 20-bit mode SD/HD = HIGH 20bit/10bit = HIGH Chroma data input in SMPTE mode SMPTE_BYPASS = HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW High impedance in DVB-ASI mode SMPTE_BYPASS = LOW DVB_ASI = HIGH SD 10-bit mode SD/HD = HIGH 20bit/10bit = LOW High impedance in all modes. 40, 49, 60 IO_GND – Power Ground connection for digital I/O buffers. Connect to digital GND. 41, 53, 61 IO_VDD – Power Power supply connection for digital I/O buffers. Connect to +3.3V DC digital. 21498 - 8 February 2007 11 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description 51, 52, 54-59, 62, 63 DIN[10:19] Synchronous with PCLK Input PARALLEL DATA BUS Signal levels are LVCMOS/LVTTL compatible. DIN19 is the MSB and DIN10 is the LSB. HD 20-bit mode SD/HD = LOW 20bit/10bit = HIGH Luma data input in SMPTE mode SMPTE_BYPASS = HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW HD 10-bit mode SD/HD = LOW 20bit/10bit = LOW Multiplexed Luma and Chroma data input in SMPTE mode SMPTE_BYPASS = HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW SD 20-bit mode SD/HD = HIGH 20bit/10bit = HIGH Luma data input in SMPTE mode SMPTE_BYPASS = HIGH DVB_ASI = LOW Data input in Data-Through mode SMPTE_BYPASS = LOW DVB_ASI = LOW DVB-ASI data input in DVB-ASI mode SMPTE_BYPASS = LOW DVB_ASI = HIGH SD 10-bit mode SD/HD = HIGH 20bit/10bit = LOW Multiplexed Luma and Chroma data input in SMPTE mode SMPTE_BYPASS = HIGH DVB_ASI = LOW Data input in data through mode SMPTE_BYPASS = LOW DVB_ASI = LOW DVB-ASI data input in DVB-ASI mode SMPTE_BYPASS = LOW DVB_ASI = HIGH 67 DETECT_TRS Non Synchronous Input CONTROL SIGNAL INPUT Signal levels are LVCMOS/LVTTL compatible. Used to select the timing mode of the device. When set HIGH, the device will lock the internal flywheel to the embedded TRS timing signals in the parallel input data. When set LOW, the device will lock the internal flywheel to the externally supplied H, V, and F input signals. 21498 - 8 February 2007 12 of 51 GS1532 Data Sheet Table 1-1: Pin Descriptions (Continued) Pin Number Name Timing Type Description 69 PCLK – Input PARALLEL DATA BUS CLOCK Signal levels are LVCMOS/LVTTL compatible. 72 LOCKED Synchronous with PCLK Output HD 20-bit mode PCLK = 74.25MHz or 74.25/1.001MHz HD 10-bit mode PCLK = 148.5MHz or 148.5/1.001MHz SD 20-bit mode PCLK = 13.5MHz SD 10-bit mode PCLK = 27MHz STATUS SIGNAL OUTPUT Signal levels are LVCMOS / LVTTL compatible. The LOCKED signal will be HIGH whenever the device has correctly received and locked to SMPTE compliant data in SMPTE mode or DVB-ASI compliant data in DVB-ASI mode, or when the device has achieved lock in Data-Through mode. It will be LOW otherwise. 73, 74 VCO, VCO Analog Input Differential inputs for the external VCO reference signal. For single ended devices such as the GO1555/GO1525*, VCO should be AC coupled to VCO_GND. VCO is nominally 1.485GHz. *For new designs use GO1555 75 VCO_GND – Output Power Ground reference for the external voltage controlled oscillator. Connect to pins 2, 4, 6, and 8 of the GO1555/GO1525*. This pin is an output. Should be isolated from all other grounds. *For new designs use GO1555 76 VCO_VCC – Output Power Power supply for the external voltage controlled oscillator. Connect to pin 7 of the GO1555/GO1525*. This pin is an output. Should be isolated from all other power supplies. *For new designs use GO1555 77 LF Analog Output 78 CP_CAP Analog Input PLL lock time constant capacitor connection. Normally connected to VCO_GND through 2.2nF. 79 LB_CONT Analog Input Control voltage to set the loop bandwidth of the integrated reclocker. Normally connected to VCO_VDD through 15kΩ. 80 CP_GND – Power Ground connection for the charge pump. Connect to analog GND. 21498 - 8 Control voltage to external voltage controlled oscillator. Nominally +1.25V DC. February 2007 13 of 51 GS1532 Data Sheet 2. Electrical Characteristics 2.1 Absolute Maximum Ratings Parameter Value/Units Supply Voltage Core -0.3V to +2.1V Supply Voltage I/O -0.3V to +4.6V Input Voltage Range (any input) -2.0V to + 5.25V Ambient Operating Temperature -20°C < TA < 85°C Storage Temperature -40°C < TSTG < 125°C Lead Temperature (soldering, 10 sec) 230°C ESD Protection On All Pins 1kV NOTES: 1. See reflow solder profiles (Solder Reflow Profiles on page 18) 2. MIL STD 883 ESD protection applied to all pins on the device. 2.2 DC Electrical Characteristics Table 2-1: DC Electrical Characteristics TA = 0°C to 70°C, unless otherwise specified. Parameter Symbol Conditions Min Typ Max Units Test Levels Notes Operation Temperature Range TA – 0 – 70 °C – 1 Digital Core Supply Voltage CORE_VDD – 1.65 1.8 1.95 V 1 1 Digital I/O Supply Voltage IO_VDD – 3.0 3.3 3.6 V 1 1 Charge Pump Supply Voltage CP_VDD – 3.0 3.3 3.6 V 1 1 Phase Detector Supply Voltage PD_VDD – 1.65 1.8 1.95 V 1 1 Input Buffer Supply Voltage BUFF_VDD – 1.65 1.8 1.95 V 1 1 Cable Driver Supply Voltage CD_VDD – 1.71 1.8 1.89 V 1 1 External VCO Supply Voltage Output VCO_VCC – 2.25 2.50 2.75 V 1 – +1.8V Supply Current I1V8 – – – 245 mA 1 4 +3.3V Supply Current I3V3 – – – 45 mA 1 – System 21498 - 8 February 2007 14 of 51 GS1532 Data Sheet Table 2-1: DC Electrical Characteristics (Continued) TA = 0°C to 70°C, unless otherwise specified. Parameter Symbol Conditions Min Typ Max Units Test Levels Notes Total Device Power PD – – – 590 mW 5 4 ESD Protection on all Pins – – 1 – – kV – 2 Input Logic LOW VIL – – – 0.8 V 1 – Input Logic HIGH VIH – 2.1 – – V 1 – Output Logic LOW VOL 8mA – 0.2 0.4 V 1 – Output Logic HIGH VOH 8mA IO_VDD - 0.4 – – V 1 – VRSET RSET=281Ω 0.54 0.6 0.66 V 1 3 VCMOUT 75Ω load, RSET=281Ω, SD and HD 0.8 1.0 1.2 V 1 – Digital I/O Input RSET Voltage Output Output Common Mode Voltage TEST LEVELS NOTES 1. Production test at room temperature and nominal supply voltage with guardbands for supply and temperature ranges. 2. Production test at room temperature and nominal supply voltage with guardbands for supply and temperature ranges using correlated test. 3. Production test at room temperature and nominal supply voltage. 4. QA sample test. 5. Calculated result based on Level 1, 2, or 3. 6. Not tested. Guaranteed by design simulations. 7. Not tested. Based on characterization of nominal parts. 8. Not tested. Based on existing design/characterization data of similar product. 9. Indirect test. 1. All DC and AC electrical parameters within specification. 2. MIL STD 883 ESD protection will be applied to all pins on the device. 3. Set by the value of the RSET resistor. 4. SDO outputs enabled. 21498 - 8 February 2007 15 of 51 GS1532 Data Sheet 2.3 AC Electrical Characteristics Table 2-2: AC Electrical Characteristics TA = 0°C to 70°C, unless otherwise shown Parameter Symbol Conditions Min Typ Max Units Test Levels Notes – 10-bit SD – 21 – PCLK 6 – – – 20-bit HD – 19 – PCLK 6 – DVB-ASI – 11 – PCLK 6 – treset – 1 – – ms 7 3 System Device Latency Reset Pulse Width Parallel Input Parallel Clock Frequency fPCLK – 13.5 – 148.5 MHz 1 – Parallel Clock Duty Cycle DCPCLK – 40 50 60 % 1 – Input Data Setup Time tSU – 2 – – ns 1 1 Input Data Hold Time tIH – 1.5 – – ns 1 1 DRSDO – – 1.485, – Gb/s 1 – Serial Digital Output Serial Output Data Rate 1.485/1.001, Gb/s 270 Mb/s Serial Output Swing ∆VSDD RSET = 281Ω Load = 75Ω – 800 – mVp-p 1 – Serial Output Rise Time 20% ~ 80% trSDO ORL compensation using recommended circuit — HD signal – 200 260 ps 1 – trSDO ORL compensation using recommended circuit — SD signal 400 550 1500 ps 1 – tfSDO ORL compensation using recommended circuit — HD signal – 235 260 ps 1 – tfSDO ORL compensation using recommended circuit — SD signal 400 550 1500 ps 1 – tIJ Pseudorandom and pathological HD signal – 90 125 ps 1 – tIJ Pseudorandom and pathological SD signal – 270 350 ps 1 – DCDSDO HD (1.485Gb/s) – 10 – ps 1 2 DCDSDO SD (270Mb/s) – 20 – ps 1 2 Serial Output Fall Time 20% ~ 80% Serial Output Intrinsic Jitter Serial Output Duty Cycle Distortion 21498 - 8 February 2007 16 of 51 GS1532 Data Sheet Table 2-2: AC Electrical Characteristics (Continued) TA = 0°C to 70°C, unless otherwise shown Parameter Symbol Conditions Min Typ Max Units Test Levels Notes GSPI Input Clock Frequency fSCLK – – – 6.6 MHz 1 – GSPI Input Clock Duty Cycle GSPI Input Data Setup Time DCSCLK – 40 50 60 % 6,7 – – – 0 – – ns 6,7 – GSPI GSPI Input Data Hold Time – – – – 1.43 ns 6,7 – GSPI Output Data Hold Time – – 2.10 – – ns 6,7 – GSPI Output Data Delay Time – – – – 7.27 ns 6,7 – TEST LEVELS NOTES 1. Production test at room temperature and nominal supply voltage with guardbands for supply and temperature ranges. 2. Production test at room temperature and nominal supply voltage with guardbands for supply and temperature ranges using correlated test. 3. Production test at room temperature and nominal supply voltage. 4. QA sample test. 5. Calculated result based on Level 1, 2, or 3. 6. Not tested. Guaranteed by design simulations. 7. Not tested. Based on characterization of nominal parts. 8. Not tested. Based on existing design/characterization data of similar product. 9. Indirect test. 1. With 15pF load. 2. Serial Duty Cycle Distortion is defined here to be the difference between the width of a ‘1’ bit, and the width of a ‘0’ bit. 3. See Device Power Up on page 46, Figure 3-13. 21498 - 8 February 2007 17 of 51 GS1532 Data Sheet 2.4 Solder Reflow Profiles The device is manufactured with Matte-Sn terminations and is compatible with both standard eutectic and Pb-free solder reflow profiles. The recommended standard eutectic reflow profile is shown in Figure 2-1. MSL qualification was performed using the maximum Pb-free reflow profile shown in Figure 2-2. 60-150 sec. Temperature 10-20 sec. 230˚C 220˚C 3˚C/sec max 183˚C 6˚C/sec max 150˚C 100˚C 25˚C Time 120 sec. max 6 min. max Figure 2-1: Standard Eutectic Solder Reflow Profile Temperature 60-150 sec. 20-40 sec. 260˚C 250˚C 3˚C/sec max 217˚C 6˚C/sec max 200˚C 150˚C 25˚C Time 60-180 sec. max 8 min. max Figure 2-2: Maximum Pb-free Solder Reflow Profile (Preferred) 21498 - 8 February 2007 18 of 51 GS1532 Data Sheet 2.5 Input/Output Circuits All resistors in ohms, all capacitors in farads, unless otherwise shown. SDO SDO Figure 2-3: Serial Digital Output LF CP_CAP 300 Figure 2-4: VCO Control Output & PLL Lock Time Capacitor VDD 42K 63K PCLK Figure 2-5: PCLK Input 21498 - 8 February 2007 19 of 51 GS1532 Data Sheet VCO VDD 25 1.5K 5K 25 VCO Figure 2-6: VCO Input LB_CONT 865mV 7.2K Figure 2-7: PLL Loop Bandwidth Control 21498 - 8 February 2007 20 of 51 IOPROC_DISABLE EDH_FLAG VIDEO_STANDARD VIDEO_FORMAT_B VIDEO_FORMAT_A FF_LINE_END_F1 FF_LINE_START_F1 FF_LINE_END_F0 FF_LINE_START_F0 AP_LINE_END_F1 AP_LINE_START_F1 AP_LINE_END_F0 AP_LINE_START_F0 RASTER_STRUCTURE4 RASTER_STRUCTURE3 RASTER_STRUCTURE2 RASTER_STRUCTURE1 REGISTER NAME LINE_352M_f2 LINE_352M_f1 ADDRESS 1Ch 1Bh 1Ah 19h 18h 17h 16h 15h 14h 13h 12h 11h 10h 0Fh 0Eh 0Dh 0Ch 0Bh 0Ah 09h 08h 07h 06h 05h 04h 03h 02h 01h 00h Not Used Not Used Not Used VF4-b7 VF2-b7 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used 15 Not Used Not Used Not Used ANC-IDA VDS-b3 VF4-b5 VF2-b5 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used 13 Not Used Not Used 21498 - 8 Not Used ANC-UES VDS-b4 VF4-b6 VF2-b6 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used 14 Not Used Not Used 2.6 Host Interface Maps Not Used ANC-EDA VDS-b1 VF4-b3 VF2-b3 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used b11 b11 11 Not Used Not Used February 2007 Not Used ANC-IDH VDS-b2 VF4-b4 VF2-b4 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used 12 Not Used Not Used Not Used ANC-EDH VDS-b0 VF4-b2 VF2-b2 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used b10 b10 b10 b10 10 b10 b10 Not Used FF-UES INT_PROG VF4-b1 VF2-b1 b9 b9 b9 b9 b9 b9 b9 b9 b9 b9 b9 b9 9 b9 b9 H_CONFIG FF-IDA STD_LOCK VF4-b0 VF2-b0 b8 b8 b8 b8 b8 b8 b8 b8 b8 b8 b8 b8 8 b8 b8 Not Used FF-IDH NOT USED VF3-b7 VF1-b7 b7 b7 b7 b7 b7 b7 b7 b7 b7 b7 b7 b7 7 b7 b7 352M_INS FF-EDA NOT USED VF3-b6 VF1-b6 b6 b6 b6 b6 b6 b6 b6 b6 b6 b6 b6 b6 6 b6 b6 ILLEGAL_ REMAP FF-EDH NOT USED VF3-b5 VF1-b5 b5 b5 b5 b5 b5 b5 b5 b5 b5 b5 b5 b5 5 b5 b5 4 EDH_CRC_ INS AP-UES NOT USED VF3-b4 VF1-b4 b4 b4 b4 b4 b4 b4 b4 b4 b4 b4 b4 b4 b4 b4 3 ANC_CSUM_ INS AP-IDA NOT USED VF3-b3 VF1-b3 b3 b3 b3 b3 b3 b3 b3 b3 b3 b3 b3 b3 b3 b3 CRC_INS AP-IDH NOT USED VF3-b2 VF1-b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 2 b2 b2 LNUM_ INS AP-EDA NOT USED VF3-b1 VF1-b1 b1 b1 b1 b1 b1 b1 b1 b1 b1 b1 b1 b1 1 b1 b1 21 of 51 TRS_INS AP-EDH NOT USED VF3-b0 VF1-b0 b0 b0 b0 b0 b0 b0 b0 b0 b0 b0 b0 b0 0 b0 b0 GS1532 Data Sheet VIDEO_STANDARD RASTER_STRUCTURE4 RASTER_STRUCTURE3 RASTER_STRUCTURE2 RASTER_STRUCTURE1 REGISTER NAME ADDRESS 1Ch 1Bh 1Ah 19h 18h 17h 16h 15h 14h 13h 12h 11h 10h 0Fh 0Eh 0Dh 0Ch 0Bh 0Ah 09h 08h 07h 06h 05h 04h 03h 02h 01h 00h 15 VDS-b3 13 21498 - 8 VDS-b4 14 VDS-b1 b11 b11 11 February 2007 VDS-b2 12 VDS-b0 b10 b10 b10 b10 10 2.6.1 Host Interface Map (Read Only Registers) INT_PROG b9 b9 b9 b9 9 STD_LOCK b8 b8 b8 b8 8 b7 b7 b7 b7 7 b6 b6 b6 b6 6 b5 b5 b5 b5 5 b4 b4 b4 b4 4 b3 b3 b3 b3 3 b2 b2 b2 b2 2 b1 b1 b1 b1 1 22 of 51 b0 b0 b0 b0 0 GS1532 Data Sheet IOPROC_DISABLE EDH_FLAG VIDEO_FORMAT_B VIDEO_FORMAT_A FF_LINE_END_F1 FF_LINE_START_F1 FF_LINE_END_F0 FF_LINE_START_F0 AP_LINE_END_F1 AP_LINE_START_F1 AP_LINE_END_F0 AP_LINE_START_F0 REGISTER NAME LINE_352M_f2 LINE_352M_f1 ADDRESS 1Ch 1Bh 1Ah 19h 18h 17h 16h 15h 14h 13h 12h 11h 10h 0Fh 0Eh 0Dh 0Ch 0Bh 0Ah 09h 08h 07h 06h 05h 04h 03h 02h 01h 00h VF4-b7 VF2-b7 15 ANC-IDA VF4-b5 VF2-b5 13 21498 - 8 ANC-UES VF4-b6 VF2-b6 14 ANC-EDA VF4-b3 VF2-b3 11 February 2007 ANC-IDH VF4-b4 VF2-b4 12 ANC-EDH VF4-b2 VF2-b2 10 b10 b10 FF-UES VF4-b1 VF2-b1 b9 b9 b9 b9 b9 b9 b9 b9 9 b9 b9 H_CONFIG FF-IDA VF4-b0 VF2-b0 b8 b8 b8 b8 b8 b8 b8 b8 8 b8 b8 2.6.2 Host Interface Map (R/W Configurable Registers) FF-IDH VF3-b7 VF1-b7 b7 b7 b7 b7 b7 b7 b7 b7 7 b7 b7 352M_INS FF-EDA VF3-b6 VF1-b6 b6 b6 b6 b6 b6 b6 b6 b6 6 b6 b6 ILLEGAL_ REMAP FF-EDH VF3-b5 VF1-b5 b5 b5 b5 b5 b5 b5 b5 b5 5 b5 b5 EDH_CRC_ INS AP-UES VF3-b4 VF1-b4 b4 b4 b4 b4 b4 b4 b4 b4 4 b4 b4 ANC_CSUM_ INS AP-IDA VF3-b3 VF1-b3 b3 b3 b3 b3 b3 b3 b3 b3 3 b3 b3 CRC_INS AP-IDH VF3-b2 VF1-b2 b2 b2 b2 b2 b2 b2 b2 b2 2 b2 b2 LNUM_ INS AP-EDA VF3-b1 VF1-b1 b1 b1 b1 b1 b1 b1 b1 b1 1 b1 b1 23 of 51 TRS_INS AP-EDH VF3-b0 VF1-b0 b0 b0 b0 b0 b0 b0 b0 b0 0 b0 b0 GS1532 Data Sheet GS1532 Data Sheet 3. Detailed Description 3.1 Functional Overview The GS1532 is a multi-rate serializer with an integrated cable driver. When used in conjunction with the external GO1555/GO1525* Voltage Controlled Oscillator, a transmit solution at 1.485Gb/s, 1.485/1.001Gb/s or 270Mb/s is realized. The device has three different modes of operation which must be set by the application layer through external device pins. When SMPTE mode is enabled, the device will accept 10-bit multiplexed or 20-bit demultiplexed SMPTE compliant data at both HD and SD signal rates. The device’s additional processing features are also enabled in this mode. In DVB-ASI mode, the GS1532 will accept an 8-bit parallel DVB-ASI compliant transport stream on its upper input bus. The serial output data stream will be 8b/10b encoded and stuffed. The GS1532’s third mode allows for the serializing of data not conforming to SMPTE or DVB-ASI streams. The provided serial digital outputs feature a high impedance mode, output mute on loss of parallel clock and adjustable signal swing. The output slew rate is automatically controlled by the SD/HD setting. In the digital signal processing core, several data processing functions are implemented including SMPTE 352M and EDH data packet generation and insertion, and automatic video standards detection. These features are all enabled by default, but may be individually disabled via internal registers accessible through the GSPI host interface. Finally, the GS1532 contains a JTAG interface for boundary scan test implementations. *For new designs use GO1555 3.2 Parallel Data Inputs Data inputs enter the device on the rising edge of PCLK as shown in Figure 3-1. The input data format is defined by the setting of the external SD/HD, SMPTE_BYPASS and DVB_ASI pins and may be presented in 10-bit or 20-bit format. The input data bus width is controlled independently from the internal data bus width by the 20bit/10bit input pin. 21498 - 8 February 2007 24 of 51 GS1532 Data Sheet PCLK DIN[19:0] DATA Control signal input tIS tIH Figure 3-1: PCLK to Data Timing 3.2.1 Parallel Input in SMPTE Mode When the device is operating in SMPTE mode, (see SMPTE Mode on page 27), both SD and HD data may be presented to the input bus in either multiplexed or demultiplexed form depending on the setting of the 20bit/10bit input pin. In 20-bit mode, (20bit/10bit = HIGH), the input data format should be word aligned, demultiplexed luma and chroma data. Luma words should be presented to DIN[19:10] while chroma words should occupy DIN[9:0]. In 10-bit mode, (20bit/10bit = LOW), the input data format should be word aligned, multiplexed luma and chroma data. The data should be presented to DIN[19:10]. DIN[9:0] will be high impedance in this mode. 3.2.2 Parallel Input in DVB-ASI Mode When operating in DVB-ASI mode, (see DVB-ASI mode on page 29), the GS1532 automatically configures the input port for 10-bit operation regardless of the setting of the 20bit/10bit pin. The device will accept 8-bit data words on DIN[17:10] such that DIN17 = HIN is the most significant bit of the encoded transport stream data and DIN10 = AIN is the least significant bit. In addition, DIN19 and DIN18 will be configured as the DVB-ASI control signals INSSYNCIN and KIN respectively. See DVB-ASI mode on page 29 for a description of these DVB-ASI specific input signals. DIN[9:0] will be high impedance when the GS1532 is operating in DVB-ASI mode. 3.2.3 Parallel Input in Data-Through Mode When operating in Data-Through mode, (see Data-Through Mode on page 29), the GS1532 passes data presented to the parallel input bus to the serial output without performing any encoding or scrambling. The input data bus width accepted by the device in this mode is controlled by the setting of the 20bit/10bit pin. 21498 - 8 February 2007 25 of 51 GS1532 Data Sheet 3.2.4 Parallel Input Clock (PCLK) The frequency of the PCLK input signal required by the GS1532 is determined by the input data format. Table 3-1 below lists the possible input signal formats and their corresponding parallel clock rates. Note that DVB-ASI input will always be in 10-bit format, regardless of the setting of the 20bit/10bit pin. Table 3-1: Parallel Data Input Format Control Signals Input Data Format DIN [19:10] DIN [9:0] PCLK 20bit/ 10bit SD/ HD SMPTE_BYPASS DVB_ASI 20bit DEMULTIPLEXED SD LUMA CHROMA 13.5MHz HIGH HIGH HIGH LOW 10bit MULTIPLEXED SD LUMA / CHROMA HIGH IMPEDANCE 27MHz LOW HIGH HIGH LOW 20bit DEMULTIPLEXED HD LUMA CHROMA 74.25 or HIGH LOW HIGH LOW LOW LOW HIGH LOW HIGH HIGH LOW HIGH LOW HIGH LOW HIGH SMPTE MODE 74.25/ 1.001MHz 10bit MULTIPLEXED HD LUMA / CHROMA HIGH IMPEDANCE 148.5 or DVB-ASI HIGH IMPEDANCE 27MHz DATA 20bit DEMULTIPLEXED SD DATA DATA 13.5MHz HIGH HIGH LOW LOW 10bit MULTIPLEXED SD DATA HIGH IMPEDANCE 27MHz LOW HIGH LOW LOW 20bit DEMULTIPLEXED HD DATA DATA 74.25 or HIGH LOW LOW LOW LOW LOW LOW LOW 148.5/ 1.001MHz DVB-ASI MODE 10bit DVB-ASI DATA-THROUGH MODE 74.25/ 1.001MHz 10bit MULTIPLEXED HD DATA HIGH IMPEDANCE 21498 - 8 148.5 or 148.5/ 1.001MHz February 2007 26 of 51 GS1532 Data Sheet 3.3 SMPTE Mode The GS1532 is said to be in SMPTE mode when the SMPTE_BYPASS pin is set HIGH and the DVB_ASI pin is set LOW. In this mode, the parallel data will be scrambled according to SMPTE 259M or 292M, and NRZ-to-NRZI encoded prior to serialization. 3.3.1 Internal Flywheel The GS1532 has an internal flywheel which is used in the generation of internal / external timing signals, and in automatic video standards detection. It is operational in SMPTE mode only. The flywheel consists of a number of counters and comparators operating at video pixel and video line rates. These counters maintain information about the total line length, active line length, total number of lines per field / frame and total active lines per field / frame for the received video standard. When DETECT_TRS is LOW, the flywheel will be locked to the externally supplied H, V, and F timing signals. When DETECT_TRS is HIGH, the flywheel will be locked to the embedded TRS signals in the parallel input data. Both 8-bit and 10-bit TRS code words will be identified by the device. The flywheel 'learns' the video standard by timing the horizontal and vertical reference information supplied a the H, V, and F input pins, or contained in the TRS ID words of the received video data. Full synchronization of the flywheel to the received video standard therefore requires one complete video frame. Once synchronization has been achieved, the flywheel will continue to monitor the received TRS timing or the supplied H, V, and F timing information to maintain synchronization. 3.3.2 HVF Timing Signal Extraction As discussed above, the GS1532's internal flywheel may be locked to externally provided H, V, and F signals when DETECT_TRS is set LOW by the application layer. The H signal timing should also be configured via the H_CONFIG bit of the internal IOPROC_DISABLE register as either active line based blanking or TRS based blanking, (see Packet Generation and Insertion on page 32). Active line based blanking is enabled when the H_CONFIG bit is set LOW. In this mode, the H input should be HIGH for the entire horizontal blanking period, including the EAV and SAV TRS words. This is the default H timing assumed by the device. When H_CONFIG is set HIGH, TRS based blanking is enabled. In this case, the H input should be set HIGH for the entire horizontal blanking period as indicated by the H bit in the associated TRS words. 21498 - 8 February 2007 27 of 51 GS1532 Data Sheet The timing of these signals is shown in Figure 3-2. PCLK LUMA DATA OUT 3FF 000 000 XYZ (eav) 3FF 000 000 XYZ (sav) CHROMA DATA OUT 3FF 000 000 XYZ (eav) 3FF 000 000 XYZ (sav) H V F H:V:F TIMING - HD 20-BIT INPUT MODE PCLK MULTIPLEXED Y/Cr/Cb DATA OUT 3FF 3FF 000 000 000 XYZ (eav) XYZ (eav) 000 XYZ (sav) XYZ (sav) 000 H V F H:V:F TIMING AT EAV - HD 10-BIT INPUT MODE PCLK MULTIPLEXED Y/Cr/Cb DATA OUT 3FF 3FF 000 000 000 H V F H;V:F TIMING AT SAV - HD 10-BIT INPUT MODE PCLK CHROMA DATA OUT 3FF 000 3FF 000 LUMA DATA OUT 000 XYZ (eav) 000 XYZ (SAV) H V H SIGNAL TIMING: H_CONFIG = LOW F H_CONFIG = HIGH H:V:F TIMING - SD 20-BIT INPUT MODE PCLK MULTIPLEXED Y/Cr/Cb DATA OUT 3FF 000 000 XYZ (eav) 3FF 000 000 XYZ (sav) H V F H:V:F TIMING - SD 10-BIT INPUT MODE Figure 3-2: H, V, F Timing 21498 - 8 February 2007 28 of 51 GS1532 Data Sheet 3.4 DVB-ASI mode The GS1532 is said to be in DVB-ASI mode when the SMPTE_BYPASS pin is set LOW and the DVB_ASI and SD/HD pins are set HIGH. In this mode, all SMPTE processing functions are disabled, and the 8-bit transport stream data will be 8b/10b encoded prior to serialization. 3.4.1 Control Signal Inputs In DVB-ASI mode, the DIN19 and DIN18 pins will be configured as DVB-ASI control signals INSSYNCIN and KIN respectively. When INSSYNCIN is set HIGH, the device will insert K28.5 sync characters into the data stream. This function is used to assist system implementations where the GS1532 may be preceded by an external data FIFO. Parallel DVB-ASI data may be clocked into the FIFO at some rate less than 27MHz. The INSSYNCIN input may then be connected to the FIFO empty signal, thus providing a means of padding up the data transmission rate to 27MHz. See Figure 3-3. NOTE: 8b/10b encoding will take place after K28.5 sync character insertion. KIN should be set HIGH whenever the parallel data input is to be interpreted as any special character defined by the DVB-ASI standard (including the K28.5 sync character). This pin should be set LOW when the input is to be interpreted as data. NOTE: When operating in DVB-ASI mode, DIN[9:0] become high impedance. AIN ~ HIN SDO TS 8 8 FIFO GS1532 KIN KIN WRITE_CLK <27MHz READ CLK =27MHz SDO CLK_IN FE INSSYNCIN CLK_OUT PCLK = 27MHz Figure 3-3: DVB-ASI FIFO Implementation using the GS1532 3.5 Data-Through Mode The GS1532 may be configured by the application layer to operate as a simple parallel-to-serial converter. In this mode, the device presents data to the output buffer without performing any scrambling or encoding. Data-through mode is enabled only when both the SMPTE_BYPASS and DVB_ASI pins are set LOW. 21498 - 8 February 2007 29 of 51 GS1532 Data Sheet 3.6 Additional Processing Functions The GS1532 contains an additional data processing block which is available in SMPTE mode only, (see SMPTE Mode on page 27). 3.6.1 Input Data Blank The video input data may be 'blanked' by the GS1532. In this mode, all input video data except TRS words are set to the appropriate blanking levels by the device. Both the horizontal and vertical ancillary data spaces will also be set to blanking levels. This function is enabled by setting the BLANK pin LOW. 3.6.2 Automatic Video Standard Detection The GS1532 can detect the input video standard by using the timing parameters extracted from the received TRS ID words or supplied H, V, and F timing signals (see Internal Flywheel on page 27). This information is presented to the host interface via the VIDEO_STANDARD register (Table 3-2). Total samples per line, active samples per line, total lines per field/frame and active lines per field/frame are also calculated and presented to the host interface via the RASTER_STRUCTURE registers (Table 3-3). These line and sample count registers are updated once per frame at the end of line 12. This is in addition to the information contained in the VIDEO_STANDARD register. After device reset, the four RASTER_STRUCTURE registers default to zero. Table 3-2: Host Interface Description for Video Standard Register Register Name Bit Name Description R/W Default VIDEO_STANDARD Address: 004h 15 – Not Used. – – 14-10 VD_STD[4:0] Video Data Standard (see Table 3-4). R 0 9 INT_PROG Interlace/Progressive: Set LOW if detected video standard is PROGRESSIVE and is set HIGH if it is INTERLACED. R 0 8 STD_LOCK Standard Lock: Set HIGH when flywheel has achieved full synchronization. R 0 7-0 – Not Used. – – 21498 - 8 February 2007 30 of 51 GS1532 Data Sheet Table 3-3: Host Interface Description for Raster Structure Registers Register Name Bit Name Description R/W Default RASTER_STRUCTURE1 Address: 00Eh 15-12 – Not Used. – – 11-0 RASTER_STRUCTURE_1[11:0] Words Per Active Line R 0 RASTER_STRUCTURE2 Address: 00Fh 15-12 – Not Used. – – 11-0 RASTER_STRUCTURE_2[11:0] Words Per Total Line. R 0 RASTER_STRUCTURE3 Address: 010h 15-11 – Not Used. – – 10-0 RASTER_STRUCTURE_3[10:0] Total Lines Per Frame R 0 RASTER_STRUCTURE4 Address: 011h 15-11 – Not Used. – – 10-0 RASTER_STRUCTURE_4[10:0] Active Lines Per Field R 0 3.6.2.1 Video Standard Indication The video standard codes reported in the VD_STD[4:0] bits of the VIDEO_STANDARD register represent the SMPTE standards as shown in Table 3-4. In addition to the 5-bit video standard code word, the VIDEO_STANDARD register also contains two status bits. The STD_LOCK bit will be set HIGH whenever the flywheel has achieved full synchronization. The INT_PROG bit will be set LOW if the detected video standard is progressive and HIGH if the detected video standard is interlaced. The VD_STD[4:0], STD_LOCK and INT_PROG bits of the VIDEO_STANDARD register will default to zero after device reset. The VD_STD[4:0] and INT_PROG bits will also default to zero if the SMPTE_BYPASS pin is asserted LOW or if the LOCKED output is LOW. The STD_LOCK bit will retain its previous value if the PCLK is removed. Table 3-4: Supported Video Standards VD_STD[4:0] SMPTE Standard Video Format Length of HANC Length of Active Video Total Samples SMPTE352M Lines 00h 296M (HD) 1280x720/60 (1:1) 358 1280 1650 13 01h 296M (HD) 1280x720/60 (1:1) - EM 198 1440 1650 13 02h 296M (HD) 1280x720/30 (1:1) 2008 1280 3300 13 03h 296M (HD) 1280x720/30 (1:1) - EM 408 2880 3300 13 04h 296M (HD) 1280x720/50 (1:1) 688 1280 1980 13 05h 296M (HD) 1280x720/50 (1:1) - EM 240 1728 1980 13 06h 296M (HD) 1280x720/25 (1:1) 2668 1280 3960 13 07h 296M (HD) 1280x720/25 (1:1) - EM 492 3456 3960 13 08h 296M (HD) 1280x720/24 (1:1) 2833 1280 4125 13 21498 - 8 February 2007 31 of 51 GS1532 Data Sheet Table 3-4: Supported Video Standards (Continued) VD_STD[4:0] SMPTE Standard Video Format Length of HANC Length of Active Video Total Samples SMPTE352M Lines 09h 296M (HD) 1280x720/24 (1:1) - EM 513 3600 4125 13 0Ah 274M (HD) 1920x1080/60 (2:1) or 1920x1080/30 (PsF) 268 1920 2200 10, 572 0Bh 274M (HD) 1920x1080/30 (1:1) 268 1920 2200 18 0Ch 274M (HD) 1920x1080/50 (2:1) or 708 1920 2640 10, 572 1920x1080/25 (PsF) 0Dh 274M (HD) 1920x1080/25 (1:1) 708 1920 2640 18 0Eh 274M (HD) 1920x1080/25 (1:1) - EM 324 2304 2640 18 0Fh 274M (HD) 1920x1080/25 (PsF) - EM 324 2304 2640 10, 572 10h 274M (HD) 1920x1080/24 (1:1) 818 1920 2750 18 11h 274M (HD) 1920x1080/24 (PsF) 818 1920 2750 10, 572 12h 274M (HD) 1920x1080/24 (1:1) - EM 338 2400 2750 18 13h 274M (HD) 1920x1080/24 (PsF) - EM 338 2400 2750 10, 572 14h 295M (HD) 1920x1080/50 (2:1) 444 1920 2376 10, 572 15h 260M (HD) 1920x1035/60 (2:1) 268 1920 2200 10, 572 16h 125M (SD) 1440x487/60 (2:1) 268 1440 1716 3, 276 268 1440 1716 3, 276 (Or dual link progressive) 17h 125M (SD) 1440x507/60 (2:1) 19h 125M (SD) 525-line 487 generic – – 1716 3, 276 1Bh 125M (SD) 525-line 507 generic – – 1716 3, 276 18h ITU-R BT.656 1440x576/50 (2:1) 280 1440 1728 9, 322 (SD) (Or dual link progressive) ITU-R BT.656 625-line generic (EM) – – 1728 9, 322 1Ah (SD) 1Dh Unknown HD – – – – – 1Eh Unknown SD – – – – – 1Ch, 1Fh Reserved – – – – – NOTE: Though the GS1532 will work correctly on and serialize both 59.94Hz and 60Hz formats, it will not distinguish between them. 3.6.3 Packet Generation and Insertion In addition to input data blanking and automatic video standards detection, the GS1532 may also calculate, assemble and insert into the data stream various types of ancillary data packets and TRS ID words. 21498 - 8 February 2007 32 of 51 GS1532 Data Sheet These features are only available when the device is set to operated in SMPTE mode and the IOPROC_EN/DIS pin is set HIGH. Individual insertion features may be enabled or disabled via the IOPROC_DISABLE register (Table 3-5). All of the IOPROC_DISABLE register bits default to '0' after device reset, enabling all of the processing features. To disable any individual error correction feature, the host interface must set the corresponding bit HIGH in this register. Table 3-5: Host Interface Description for Internal Processing Disable Register Register Name Bit Name Description R/W Default IOPROC_DISABLE Address: 000h 15-9 – Not Used. – – 8 H_CONFIG Horizontal sync timing input configuration. Set LOW when the H input timing is based on active line blanking (default). Set HIGH when the H input timing is based on the H bit of the TRS words. See Figure 3-2. R/W 0 7 – Not Used. – – 6 352M_INS SMPTE352M packet insertion. In HD mode, 352M packets are inserted in the Y channel only when one of the bytes in the VIDEO_FORMAT_A or VIDEO_FORMAT_B registers are programmed with non-zero values. The IOPROC_EN/DIS pin and SMPTE_BYPASS pin must also be set HIGH. Set HIGH to disable. R/W 0 5 ILLEGAL_REMAP Illegal Code Remapping. Detection and correction of illegal code words within the active picture area (AP). The IOPROC_EN/DIS pin and SMPTE_BYPASS pin must also be set HIGH. Set HIGH to disable. R/W 0 4 EDH_CRC_INS Error Detection & Handling (EDH) Cyclical Redundancy Check (CRC) error correction. In SD mode the GS1532 will generate and insert EDH packets. The IOPROC_EN/DIS pin and SMPTE_BYPASS pin must also be set HIGH. Set HIGH to disable. R/W 0 3 ANC_CSUM_INS Ancillary Data Checksum insertion. The IOPROC_EN/DIS pin and SMPTE_BYPASS pin must also be set HIGH. Set HIGH to disable. R/W 0 2 CRC_INS Y and C line-based CRC insertion. In HD mode, line-based CRC words are inserted in both the Y and C channels. The IOPROC_EN/DIS pin and SMPTE_BYPASS pin must be also set HIGH. Set HIGH to disable R/W 0 1 LNUM_INS Y and C line number insertion - HD mode only. The IOPROC_EN/DIS pin and SMPTE_BYPASS pin must be set HIGH. Set HIGH to disable. R/W 0 0 TRS_INS Timing Reference Signal Insertion. Occurs only when IOPROC_EN/DIS is HIGH and SMPTE_BYPASS is HIGH. Set HIGH to disable. R/W 0 21498 - 8 February 2007 33 of 51 GS1532 Data Sheet 3.6.3.1 SMPTE 352M Payload Identifier Insertion The GS1532 can generate and insert SMPTE 352M payload identifier ancillary data packets into the data stream, based on information programmed into the host interface. When this feature is enabled, the device will automatically generate the ancillary data preambles, (DID, SDID, DBN, DC), and calculate the checksum. The SMPTE 352M packet will be inserted into the data stream according to the line numbers programmed in the LINE_352M registers (Table 3-6). The insertion process will only take place if one or more of the four VIDEO_FORMAT registers (Table 3-7) have been programmed with non-zero values. In addition, the GS1532 requires the 352M_INS bit of the IOPROC_DISABLE register be set LOW. NOTE 1: For the purpose of determining the line and pixel position for insertion, the GS1532 will differentiate between PsF and interlaced formats by interrogating bits 14 and 15 of the VIDEO_FORMAT_A register. The packets will be inserted immediately after the EAV word in SD video streams and immediately after the line-based CRC word in the Y channel of HD video streams. NOTE 2: It is the responsibility of the user to ensure that there is sufficient space in the horizontal blanking interval for the insertion of the SMPTE 352M packets. If there are other ancillary data packets present, the SMPTE 352M packet will be inserted in the first available location in the horizontal ancillary space. Ancillary data must be adjacent to the EAV in SD streams or to the line based-CRC in HD streams. Where there is insufficient space available, the 352M packets will not be inserted. Table 3-6: Host Interface Description for SMPTE 352M Packet Line Number Insertion Registers Register Name Bit Name Description LINE_352M_f1 Address: 01Bh 15-11 – Not Used. 10-0 LINE_0_352M[10:0] Line number where SMPTE352M packet is inserted in field 1. LINE_352M_f2 Address: 01Ch 15-11 – Not Used. 10-0 LINE_1_352M[10:0] Line number where SMPTE352M packet is inserted in field 2. 21498 - 8 February 2007 R/W Default – – R/W 0 – – R/W 0 34 of 51 GS1532 Data Sheet Table 3-7: Host Interface Description for SMPTE 352M Payload Identifier Registers Register Name Bit Name Description VIDEO_FORMAT_B Address: 00Bh 15-8 SMPTE352M Byte 4 7-0 SMPTE352M Byte 3 VIDEO_FORMAT_A Address: 00Ah 15-8 SMPTE352M Byte 2 7-0 SMPTE 352M Byte 1 R/W Default SMPTE 352M Byte 4 information must be programmed in this register when 352M_INS = LOW. R/W 0 SMPTE 352M Byte 3 information must be programmed in this register when 352M_INS = LOW. R/W 0 SMPTE 352M Byte 2 information must be programmed in this register when 352M_INS = LOW. R/W 0 SMPTE 352M Byte 1 information must be programmed in this register when 352M_INS = LOW. R/W 0 3.6.3.2 Illegal Code Remapping If the ILLEGAL_REMAP bit of the IOPROC_DISABLE register is set LOW, the GS1532 will remap all codes within the active picture between the values of 3FCh and 3FFh to 3FBh. All codes within the active picture area between the values of 000h and 003h will be remapped to 004h. In addition, 8-bit TRS and ancillary data preambles will be remapped to 10-bit values if this feature is enabled. 3.6.3.3 EDH Generation and Insertion When operating in SD mode, (SD/HD = HIGH), the GS1532 will generate and insert complete EDH packets into the data stream. Packet generation and insertion will only take place if the EDH_CRC_INS bit of the IOPROC_DISABLE register is set LOW. The GS1532 will generate all of the required EDH packet data including all ancillary data preambles, (DID, DBN, DC), reserved code words and checksum. Calculation of both full field (FF) and active picture (AP) CRC's will be carried out by the device. SMPTE RP165 specifies the calculation ranges and scope of EDH data for standard 525 and 625 component digital interfaces. The GS1532 will utilize these standard ranges by default. If the received video format does not correspond to 525 or 625 digital component video standards as determined by the flywheel pixel and line counters, then one of two schemes for determining the EDH calculation ranges will be employed: 1. Ranges will be based on the line and pixel ranges programmed by the host interface; or 2. In the absence of user-programmed calculation ranges, ranges will be determined from the received TRS ID words or supplied H, V, and F timing signals (see Internal Flywheel on page 27). 21498 - 8 February 2007 35 of 51 GS1532 Data Sheet The registers available to the host interface for programming EDH calculation ranges include active picture and full field line start and end positions for both fields. Table 3-8 shows the relevant registers, which default to '0' after device reset. If any or all of these register values are zero, then the EDH CRC calculation ranges will be determined from the flywheel generated H signal. The first active and full field pixel will always be the first pixel after the SAV TRS code word. The last active and full field pixel will always be the last pixel before the start of the EAV TRS code words. EDH error flags (EDH, EDA, IDH, IDA and UES) for ancillary data, full field and active picture will also be inserted. These flags must be programmed into the EDH_FLAG registers of the device by the application layer (Table 3-9). NOTE 1: It is the responsibility of the user to ensure that the EDH flag registers are updated once per field. The prepared EDH packet will be inserted at the appropriate line of the video stream according to RP165. The start pixel position of the inserted packet will be based on the SAV position of that line such that the last byte of the EDH packet (the checksum) will be placed in the sample immediately preceding the start of the SAV TRS word. NOTE 2: It is also the responsibility of the user to ensure that there is sufficient space in the horizontal blanking interval for the EDH packet to be inserted. Table 3-8: Host Interface Description for EDH Calculation Range Registers Register Name Bit Name Description AP_LINE_START_F0 Address: 012h 15-10 – Not Used. 9-0 AP_LINE_START_F0[9:0] Field 0 Active Picture start line data used to set EDH calculation range outside of RP 165 values. AP_LINE_END_F0 Address: 013h 15-10 – Not Used. 9-0 AP_LINE_END_F0[9:0] Field 0 Active Picture end line data used to set EDH calculation range outside of RP 165 values. AP_LINE_START_F1 Address: 014h 15-10 – Not Used. 9-0 AP_LINE_START_F1[9:0] Field 1 Active Picture start line data used to set EDH calculation range outside of RP 165 values. AP_LINE_END_F1 Address: 015h 15-10 – Not Used. 9-0 AP_LINE_END_F1[9:0] Field 1 Active Picture end line data used to set EDH calculation range outside of RP 165 values. 21498 - 8 February 2007 R/W Default – – R/W 0 – – R/W 0 – – R/W 0 – – R/W 0 36 of 51 GS1532 Data Sheet Table 3-8: Host Interface Description for EDH Calculation Range Registers (Continued) Register Name Bit Name Description FF_LINE_START_F0 Address: 016h 15-10 – Not Used. 9-0 FF_LINE_START_F0[9:0] Field 0 Full Field start line data used to set EDH calculation range outside of RP 165 values. FF_LINE_END_F0 Address: 017h 15-10 – Not Used. 9-0 FF_LINE_END_F0[9:0] Field 0 Full Field end line data used to set EDH calculation range outside of RP 165 values. FF_LINE_START_F1 Address: 018h 15-10 – Not Used. 9-0 FF_LINE_START_F1[9:0] Field 1 Full Field start line data used to set EDH calculation range outside of RP-165 values. FF_LINE_END_F1 Address: 019h 15-10 – Not Used. 9-0 FF_LINE_END_F1[9:0] Field 1 Full Field end line data used to set EDH calculation range outside of RP-165 values. R/W Default – – R/W 0 – – R/W 0 – – R/W 0 – – R/W 0 R/W Default – – Table 3-9: Host Interface Description for EDH Flag Register Register Name Bit Name Description EDH_FLAG Address: 002h 15 – Not Used. 14 ANC-UES Ancillary Unknown Error Status flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 13 ANC-IDA Ancillary Internal device error Detected Already flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 12 ANC-IDH Ancillary Internal device error Detected Here flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 11 ANC-EDA Ancillary Error Detected Already flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 10 ANC-EDH Ancillary Error Detected Here flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 9 FF-UES Full Field Unknown Error flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 21498 - 8 February 2007 37 of 51 GS1532 Data Sheet Table 3-9: Host Interface Description for EDH Flag Register (Continued) Register Name Bit Name Description R/W Default 8 FF-IDA Full Field Internal device error Detected Already flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 7 FF-IDH Full Field Internal device error Detected flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 6 FF-EDA Full Field Error Detected Already flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 5 FF-EDH Full Field Error Detected Here flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 4 AP-UES Active Picture Unknown Error Status flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 3 AP-IDA Active Picture Internal device error Detected Already flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 2 AP-IDH Active Picture Internal device error Detected Here flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 1 AP-EDA Active Picture Error Detected Already flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 0 AP-EDH Active Picture Error Detected Here flag will be generated and inserted when IOPROC_EN/DIS and SMPTE_BYPASS pins are HIGH and EDH_CRC_INS bit is LOW. SD mode only. R/W 0 21498 - 8 February 2007 38 of 51 GS1532 Data Sheet 3.6.3.4 Ancillary Data Checksum Generation and Insertion The GS1532 will calculate checksums for all detected ancillary data packets presented to the device. These calculated checksum values are inserted into the data stream prior to serialization. Ancillary data checksum generation and insertion will only take place if the ANC_CSUM_INS bit of the IOPROC_DISABLE register is set LOW. 3.6.3.5 Line Based CRC Generation and Insertion The GS1532 will generate and insert line based CRC words into both the Y and C channels of the data stream. This feature is only available in HD mode and is enabled by setting the CRC_INS bit of the IOPROC_DISABLE register LOW. 3.6.3.6 HD Line Number Generation and Insertion In HD mode, the GS1532 will calculate and insert line numbers into the Y and C channels of the output data stream. Line number generation is in accordance with the relevant HD video standard as determined by the device, (see Automatic Video Standard Detection on page 30). This feature is enabled when SD/HD = LOW, and the LNUM_INS bit of the IOPROC_DISABLE register is set LOW. 3.6.3.7 TRS Generation and Insertion The GS1532 can generate and insert 10-bit TRS code words into the data stream as required. This feature is enabled by setting the TRS_INS bit of the IOPROC_DISABLE register LOW. TRS word generation will be performed in accordance with the timing parameters generated by the flywheel which will be locked either to the received TRS ID words or the supplied H, V, and F timing signals (see Internal Flywheel on page 27). 3.7 Parallel-To-Serial Conversion The parallel data output of the internal data processing blocks is fed to the parallel-to-serial converter. The function of this block is to generate a serial data stream from the 10-bit or 20-bit parallel data words and pass the stream to the integrated cable driver. 21498 - 8 February 2007 39 of 51 GS1532 Data Sheet 3.8 Serial Digital Data PLL To obtain a clean clock signal for serialization and transmission, the input PCLK is locked to an external reference signal via the GS1532's integrated phase-locked loop. This PLL is also responsible for generating all internal clock signals required by the device. Internal division ratios for the locked PCLK are determined by the setting of the SD/HD and 20bit/10bit pins as shown in Table 3-10. Table 3-10: Serial Digital Output Rates Supplied PCLK Rate Serial Digital Output Rate Pin Settings SD/HD 20bit/10bit LOW HIGH LOW LOW 74.25 or 1.485 or 74.25/1.001 MHz 1.485/1.001Gb/s 148.5 or 1.485 or 148.5/1.001MHz 1.485/1.001Gb/s 13.5MHz 270Mb/s HIGH HIGH 27MHz 270Mb/s HIGH LOW 3.8.1 External VCO The GS1532 requires the GO1555/GO1525* external voltage controlled oscillator as part of its internal PLL. Power for the external VCO is generated entirely by the GS1532 from an integrated voltage regulator. The internal regulator uses +3.3V supplied on the CP_VDD / CP_GND pins to provide +2.5V on the VCO_VCC / VCO_GND pins. The external VCO produces a 1.485GHz reference signal for the PLL, input on the VCO pin of the device. Both reference and control signals should be referenced to the supplied VCO_GND as shown in the recommended application circuit of Typical Application Circuit on page 47. *For new designs use GO1555 3.8.2 Lock Detect Output The lock detect block controls the serial digital output signal and indicates to the application layer the lock status of the device via the LOCKED output pin. LOCKED will be asserted HIGH if and only if the internal data PLL has locked the PCLK signal to the external VCO reference signal and one of the following is true: 1. The device is set to operate in SMPTE mode and has detected SMPTE TRS words in the serial stream; or 2. The device is set to operate in DVB-ASI mode and has detected K28.5 sync characters in the serial stream; or 21498 - 8 February 2007 40 of 51 GS1532 Data Sheet 3. The device is set to operate in Data-Through mode. 3.8.3 Loop Bandwidth Adjustment For new designs the GO1555 is recommended for use with the GS1532. The recommended application ciruit can be seen in Section 4.1 Typical Application Circuit. Designs using the GO1525 VCO use different loop bandwidth components. The application circuit is shown in Figure 3-4. NOTE: When using the GS1532 with the GS4911B clock generator a narrower loop bandwidth for the GS1532 serializer should be used. For more details please refer to section 2.5 of the GS4911B Reference Design. 2 1 O/P NC GND 8 VCO_VCC 10n VCC 1u VCO_VCC GND_VCO 10n GND_VCO 7 VCTR 5 GND_VCO GO1525 GND GND 6 4 GND 3 GND_VCO GND_VCO 10n GND_VCO 2n2 0 GND_VCO VCO_VCC 15K 100n LOCK GND_VCO 0 GND_A 10n 1u 1u 10n 0 CP_GND LB_CONT CP_CAP LF VCO_VCC VCO_GND VCO VCO LOCKED 80 79 78 77 76 75 74 73 72 +3.3V GND_A +1.8V_A 10n 1 2 3 4 CP_VDD PD_GND PD_VDD GS1532 Figure 3-4: Typical Application Circuit using GO1525 3.9 Serial Digital Output The GS1532 contains an integrated current mode differential serial digital cable driver with automatic slew rate control. To enable the output, SDO_EN/DIS must be set HIGH by the application layer. Setting the SDO_EN/DIS signal LOW will cause the SDO and SDO output pins to become high impedance, resulting in reduced device power consumption. With suitable external return loss matching circuitry, the GS1532's serial digital outputs will provide a minimum output return loss of -15dB at SD rates. Gennum recommends using the GS1528 SDI Dual Slew-Rate Cable Driver to meet output return loss specifications at HD rates. 21498 - 8 February 2007 41 of 51 GS1532 Data Sheet The integrated cable driver uses a separate power supply of +1.8V DC supplied via the CD_VDD and CD_GND pins. 3.9.1 Output Swing Nominally, the voltage swing of the serial digital output is 800mVp-p single-ended into a 75Ω load. This is set externally by connecting the RSET pin to CD_VDD through 281Ω . The output swing may be decreased by increasing the value of the RSET resistor. The relationship is approximated by the curve shown in Figure 3-5. Alternatively, the serial digital output swing can drive 800mVp-p into a 50Ω load. Since the output swing is reduced by a factor of approximately one third when the smaller load is used, the RSET resistor must be 187Ω to obtain 800mVp-p. 1000 ∆VSDO(mVp-p) 900 800 700 600 75Ω load 500 50Ω load 400 300 200 250 300 350 400 450 500 550 600 650 700 RSET(Ω) Figure 3-5: Serial Digital Output Swing 3.9.2 Serial Digital Output Mute The GS1532 will automatically mute the serial digital output when the LOCKED output signal is LOW. In this case, the SDO and SDO signals are set to a constant voltage level. 3.10 GSPI Host Interface The GSPI, or Gennum Serial Peripheral Interface, is a 4-wire interface provided to allow the host to enable additional features of the device and /or to provide additional status information through configuration registers in the GS1532. The GSPI comprises a serial data input signal SDIN, serial data output signal SDOUT, an active low chip select CS, and a burst clock SCLK. The burst clock must have a duty cycle between 40% and 60%. Because these pins are shared with the JTAG interface port, an additional control signal pin JTAG/HOST is provided. When JTAG/HOST is LOW, the GSPI interface is enabled. 21498 - 8 February 2007 42 of 51 GS1532 Data Sheet When operating in GSPI mode, the SCLK, SDIN, and CS signals are provided by the host interface. The SDOUT pin is a high-impedance output allowing multiple devices to be connected in parallel and selected via the CS input. The interface is illustrated in the Figure 3-6 below. All read or write access to the GS1532 is initiated and terminated by the host processor. Each access always begins with a 16-bit command word on SDIN indicating the address of the register of interest. This is followed by a 16-bit data word on SDIN in write mode, or a 16-bit data word on SDOUT in read mode. Application Host GS1532 SCLK SCLK SDOUT SDIN CS CS SDOUT SDIN Figure 3-6: Gennum Serial Peripheral Interface (GSPI) 3.10.1 Command Word Description The command word is transmitted MSB first and contains a read/write bit, nine reserved bits and a 6-bit register address. Set R/W = '1' to read and R/W = '0' to write from the GSPI. Command words are clocked into the GS1532 on the rising edge of the serial clock SCLK. The appropriate chip select signal, CS, must be asserted low a minimum of 1.5ns (t0 in Figure 3-9 and Figure 3-10) before the first clock edge to ensure proper operation. Each command word must be followed by only one data word to ensure proper operation. MSB LSB R/W RSV RSV RSV RSV RSV RSV RSV RSV RSV A5 A4 A3 A2 A1 A0 Figure 3-7: Command Word MSB D15 LSB D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Figure 3-8: Data Word 21498 - 8 February 2007 43 of 51 GS1532 Data Sheet 3.10.2 Data Read and Write Timing Read and write mode timing for the GSPI interface is shown in Figure 3-9 and Figure 3-10 respectively. The maximum SCLK frequency allowed is 6.6MHz. When writing to the registers via the GSPI, the MSB of the data word may be presented to SDIN immediately following the falling edge of the LSB of the command word. All SDIN data is sampled on the rising edge of SCLK. When reading from the registers via the GSPI, the MSB of the data word will be available on SDOUT 12ns (t5) following the falling edge of the LSB of the command word, and thus may be read by the host on the very next rising edge of the clock. The remaining bits are clocked out by the GS1532 on the negative edges of SCLK. duty cycle t2 t0 t4 t5 period SCLK CS t3 input data setup time RSV RSV t6 SDIN R/W RSV RSV RSV RSV RSV RSV RSV A4 A5 A3 A2 A1 output data hold time A0 SDOUT D15 D14 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D13 Figure 3-9: GSPI Read Mode Timing t2 t0 duty cycle t4 period SCLK CS SDIN R/W RSV RSV RSV RSV t3 input data setup time RSV RSV RSV RSV RSV A5 A4 A3 A2 A1 A0 D15 D14 D13 Figure 3-10: GSPI Write Mode Timing 3.10.3 Configuration and Status Registers Table 3-11 summarizes the GS1532's internal status and configuration registers. All of these registers are available to the host via the GSPI and are all individually addressable. Where status registers contain less than the full 16 bits of information, two or more registers may be combined at a single logical address. 21498 - 8 February 2007 44 of 51 GS1532 Data Sheet Table 3-11: GS1532 Internal Registers Address Register Name See Section 000h IOPROC_DISABLE Section 3.6.3 002h EDH_FLAG Section 3.6.3.3 004h VIDEO_STANDARD Section 3.6.2 00Ah - 00Bh VIDEO_FORMAT Section 3.6.3.1 00Eh - 011h RASTER_STRUCTURE Section 3.6.2 012h - 019h EDH_CALC_RANGES Section 3.6.3.3 01Bh - 01Ch LINE_352M Section 3.6.3.1 3.11 JTAG When the JTAG/HOST input pin of the GS1532 is set HIGH, the host interface port will be configured for JTAG test operation. In this mode, pins 27 through 30 become TMS, TDO, TDI, and TCK. In addition, the RESET_TRST pin will operate as the test reset pin. Boundary scan testing using the JTAG interface will be enabled in this mode. There are two methods in which JTAG can be used on the GS1532: 1. As a stand-alone JTAG interface to be used at in-circuit ATE (Automatic Test Equipment) during PCB assembly; or 2. Under control of the host for applications such as system power on self tests. When the JTAG tests are applied by ATE, care must be taken to disable any other devices driving the digital I/O pins. If the tests are to be applied only at ATE, this can be accomplished with tri-state buffers used in conjunction with the JTAG/HOST input signal. This is shown in Figure 3-11. Application HOST GS1532 CS_TMS SCLK_TCK SDIN_TDI SDOUT_TDO JTAG_HOST In-circuit ATE probe Figure 3-11: In-Circuit JTAG 21498 - 8 February 2007 45 of 51 GS1532 Data Sheet Alternatively, if the test capabilities are to be used in the system, the host may still control the JTAG/HOST input signal, but some means for tri-stating the host must exist in order to use the interface at ATE. This is represented in Figure 3-12. Application HOST GS1532 CS_TMS SCLK_TCK SDIN_TDI SDOUT_TDO JTAG_HOST Tri-State In-circuit ATE probe Figure 3-12: System JTAG Please contact your Gennum representative to obtain the BSDL model for the GS1532. 3.12 Device Power Up The GS1532 has a recommended power supply sequence. To ensure correct power up, power the CORE_VDD pins before the IO_VDD pins. Device pins may also be driven prior to power up without causing damage. To ensure that all internal registers are cleared upon power-up, the application layer must hold the RESET_TRST signal LOW for a minimum of 1ms after the core power supply has reached the minimum level specified in the DC Electrical Characteristics Table, (Table 2-1). See Figure 3-13. 3.13 Device Reset In order to initialize all internal operating conditions to their default states the application layer must hold the RESET_TRST signal LOW for a minimum of treset = 1ms. When held in reset, all device outputs will be driven to a high-impedance state. +1.65V +1.8V CORE_VDD treset treset Reset Reset RESET_TRST Figure 3-13: Reset Pulse 21498 - 8 February 2007 46 of 51 GS1532 Data Sheet 4. Application Reference Design 4.1 Typical Application Circuit 20bit/10bitb GND_VCO 2 8 SDO_EN/DISb JTAG/HOSTb 10n 1u VCC DETECT_TRS JTAG/HOSTb VCO_VCC SMPTE_BYPASSb SMPTE_BYPASSb 10n GND_VCO SD/HDb 7 VCO_VCC GND_VCO GND_VCO SD/HDb DVB_ASI DVB_ASI 10n GND_VCO NOTE: For GO1525 loop bandwidth component values see Section 3.8.3. 0 47n 33 +1.8V GND_VCO VCO_VCC R2 10n GND_D D o n o t p o p u l a t e R2 100n PCLK 75 10n 1u PCLK 0 GND_A DATA[19..0] 10n 1u 0 DATA19 DATA18 +3.3V 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 +3.3V DETECT_TRS LOCK GND_VCO GND_A DVB_ASI SD/HDb 20bit/10bitb IOPROC_EN/DISb SMPTE_BYPASSb +1.8V_A 281 +/-1% CP_GND LB_CONT CP_CAP LF VCO_VCC VCO_GND VCO VCO LOCKED NC NC PCLK CORE_GND DETECT_TRS NC NC CORE_VDD DIN19 DIN18 IO_VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CP_VDD PD_GND PD_VDD NC RSV NC NC NC DVB_ASI NC SD/HD 20bit/10bit IOPROC_EN/DIS NC NC NC NC SMPTE_BYPASS RSET CD_VDD +1.8V_A 10n GS1532 10n GND_D IO_GND DIN17 DIN16 DIN15 DIN14 DIN13 DIN12 IO_VDD DIN11 DIN10 DIN9 IO_GND DIN8 DIN7 DIN6 DIN5 DIN4 DOUT3 DIN2 IO_VDD 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 DATA17 DATA16 DATA15 DATA14 DATA13 DATA12 +3.3V DATA11 DATA10 DATA9 10n DATA8 DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 1u GND_D +3.3V 1u C55 10n 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 2 10 n 1u 1 +1.8V_A SDO_EN/DIS CD_GND SDO SDO RESET_TRST JTAG/HOST CS_TMS SDOUT_TDO SDIN_TDI SCLK_TCK NC BLANK CORE_GND F V H CORE_VDD DIN0 DIN1 IO_GND 10n GND_A GND_D DATA1 DATA0 10n BNC H V F BLANKb +1.8V_A R, L, C form the output return loss compensation network. Values are subject to change. JTAG/HOSTb GND_A SDO_EN/DISb 3 1 O/P GND NC VCTR GND GND IOPROC_EN/DISb DETECT_TRS GO1555 6 GND_VCO GND 5 4 20bit/10bitb IOPROC_EN/DISb SDO_EN/DISb +1.8V C GND_A 4u7 L R1 10n LOCK BLANKb R1 R LOCK BLANKb GND_D GND_A R L BNC C 4u7 GND_A NOTE: The value of R1 used for the pull-up resistor should be 75ohm when the outputs are connected directly to a 75ohm cable as shown here. The value of R1 should be 50ohm when the outputs are interfaced to the GS1528A Cable Driver. Please see Gennum's Reference Design: "Interfacing the GS1532 to the GS1528 Multi-rate Cable Driver". SCLK_TCK SDIN_TDI SDOUT_TDO CSb_TMS RESET_TRSTb NOTE: To guarantee -15dB Output Return Loss at HD rates, it is recommended that the GS1528 Multi-Rate Cable Driver be used. 21498 - 8 February 2007 47 of 51 GS1532 Data Sheet 5. References & Relevant Standards SMPTE 125M Component video signal 4:2:2 – bit parallel interface SMPTE 260M 1125 / 60 high definition production system – digital representation and bit parallel interface SMPTE 267M Bit parallel digital interface – component video signal 4:2:2 16 x 9 aspect ratio SMPTE 274M 1920 x 1080 scanning analog and parallel digital interfaces for multiple picture rates SMPTE 291M Ancillary Data Packet and Space Formatting SMPTE 292M Bit-Serial Digital Interface for High-Definition Television Systems SMPTE 293M 720 x 483 active line at 59.94 Hz progressive scan production – digital representation SMPTE 296M 1280 x 720 scanning, analog and digital representation and analog interface SMPTE 352M Video Payload Identification for Digital Television Interfaces SMPTE RP165 Error Detection Checkwords and Status Flags for Use in Bit-Serial Digital Interfaces for Television SMPTE RP168 Definition of Vertical Interval Switching Point for Synchronous Video Switching 21498 - 8 February 2007 48 of 51 GS1532 Data Sheet 6. Package & Ordering Information 6.1 Package Dimensions Table X CONTROL DIMENSIONS ARE IN MILLIMETERS. Table Y SYMBOL 80L MILLIMETER b e MIN NOM MAX 0.22 0.30 0.38 0.65 BSC INCH MIN NOM MAX 0 . 0 0 9 0 . 0 1 2 0 . 0 15 0.026 BSC D2 12.35 0.486 E2 12.35 0.486 TOLERANCES OF FORM AND POSITION aaa 0.20 0.008 bbb 0.20 0.008 ccc 0.10 0.004 ddd 0.13 0.005 NOTES: Diagram shown is representative only. Table X is fixed for all pin sizes, and Table Y is specific to the 80-pin package. 1. DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION. ALLOWABLE PROTRUSION IS 0.25mm PER SIDE. D1 AND E1 ARE MAXIMUM PLASTIC BODY SIZE DIMENSIONS INCLUDING MOLD MISMATCH. 2. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL NOT CAUSE THE LEAD WIDTH TO EXCEED THE MAXIMUM b DIMENSION BY MORE THAN 0.08mm. DAMBAR CAN NOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINIMUM SPACE BETWEEN PROTRUSION AND AN ADJACENT LEAD IS 0.07mm FOR 0.4mm AND 0.5mm PITCH PACKAGES. 21498 - 8 February 2007 49 of 51 GS1532 Data Sheet 6.2 Packaging Data Parameter Value Package Type 14mm x 14mm 80-pin LQFP Package Drawing Reference JEDEC MS026 Moisture Sensitivity Level 3 Junction to Case Thermal Resistance, θj-c 11.6°C/W Junction to Air Thermal Resistance, θj-a (at zero airflow) 39.9°C/W Psi 0.6°C/W Pb-free and RoHS Compliant (GS1532-CFE3) Yes 6.3 Ordering Information Part Number Pb-free and RoHS Compliant Package Temperature Range GS1532-CF No 80-pin LQFP 0°C to 70°C GS1532-CFE3 Yes 80-pin LQFP 0°C to 70°C 21498 - 8 February 2007 50 of 51 GS1532 Data Sheet 7. Revision History Version ECR PCN Date Changes and / or Modifications 3 133556 – March 2004 Register addresses in Tables 2, 3, 5, 6, 7, 8, 9 and 11 are shown in DECIMAL. They should be shown in HEX (as per master Table in Section 2.5). Pins 65 and 66 were not shown on Pin Description Table. 4 133860 – May 2004 Converted GS1532 data sheet to new template format. Added note to host interface pins. Moved ESD to maximum absolute ratings. Adjusted Input Data Setup Time in AC Electrical Characteristics. Text in Table 4-2 and text in section 4.6.2.1 changed to read “INT_PROG” and "Interlace/Progressive: Set LOW if detected video standard is PROGRESSIVE and is set HIGH if it is INTERLACED”. Added Pb-free and Green availability and ordering information. Corrected minor typing errors. 5 134909 – April 2005 Updated document status to Data Sheet. Added description to Solder Reflow Profiles. Clarified setting of VD_STD[4:0], INT_PROG and STD_LOCK bits following a reset and/or removal of PCLK. Modified Typical Application Circuit to add interfacing note for GS1532 to GS1528A Cable Driver. Added Packaging Data section. Changed ‘Green’ references to RoHS Compliant. 6 136983 – June 2005 Restored missing overlines to pin names. Rephrased RoHS compliance statement. Added note on 59.94Hz and 60Hz formats to Table 3-4. 7 142223 41245 October 2006 Modified internal register addresses to hexidecimal values in Table 3-11. Added built-in ClockCleanerTM feature to document title and functional block diagram. Specified that serializer can reject >300ps pclk jitter in Description section on page 1. Corrected VIDEO_FORMAT register labels in description of bit 6 (352M_INS) in Table 3-5. 8 143760 42774 February 2007 Recommended GO1555 VCO for new designs. Updated Section 4.1 Typical Application Circuit. Added Section 3.8.3 Loop Bandwidth Adjustment. CAUTION ELECTROSTATIC SENSITIVE DEVICES DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A STATIC-FREE WORKSTATION DOCUMENT IDENTIFICATION DATA SHEET The product is in production. Gennum reserves the right to make changes at any time to improve reliability, function or design, in order to provide the best product possible. GENNUM CORPORATION Mailing Address: P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 Shipping Address: 970 Fraser Drive, Burlington, Ontario, Canada L7L 5P5 Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 GENNUM JAPAN CORPORATION Shinjuku Green Tower Building 27F, 6-14-1, Nishi Shinjuku, Shinjuku-ku, Tokyo, 160-0023 Japan Tel. +81 (03) 3349-5501, Fax. +81 (03) 3349-5505 GENNUM UK LIMITED 25 Long Garden Walk, Farnham, Surrey, England GU9 7HX Tel. +44 (0)1252 747 000 Fax +44 (0)1252 726 523 Gennum Corporation assumes no liability for any errors or omissions in this document, or for the use of the circuits or devices described herein. The sale of the circuit or device described herein does not imply any patent license, and Gennum makes no representation that the circuit or device is free from patent infringement. GENNUM and the G logo are registered trademarks of Gennum Corporation. © Copyright 2002 Gennum Corporation. All rights reserved. Printed in Canada. www.gennum.com 21498 - 8 February 2007 51 of 51 51