® Technology SiI 164 PanelLink Transmitter Data Sheet Document # SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Silicon Image, Inc. SiI-DS-0021-C April 2002 Application Information To obtain the most updated Application Notes and other useful information for your design, please visit the Silicon Image web site at www.siliconimage.com or contact your local Silicon Image sales office. Copyright Notice This manual is copyrighted by Silicon Image, Inc. Do not reproduce, transform to any other format, or send/transmit any part of this documentation without the expressed written permission of Silicon Image, Inc. Trademark Acknowledgment ® ® Silicon Image, the Silicon Image logo, PanelLink and the PanelLink Digital logo are registered trademarks of TM ® TM Silicon Image, Inc. TMDS is a trademark of Silicon Image, Inc. VESA , FPD are trademarks of the Video 2 Electronics Standards Association. I C is a trademark of Philips Semiconductor. All other trademarks are the property of their respective holders. Disclaimer This document provides technical information for the user. Silicon Image, Inc. reserves the right to modify the information in this document as necessary. The customer should make sure that they have the most recent data sheet version. Silicon Image, Inc. holds no responsibility for any errors that may appear in this document. Customers should take appropriate action to ensure their use of the products does not infringe upon any patents. Silicon Image, Inc. respects valid patent rights of third parties and does not infringe upon or assist others to infringe upon such rights. All information contained herein is subject to change without notice. Revision History Revision SiI-DS-0021-0.1 SiI-DS-0021-0.8 SiI-DS-0021-A SiI-DS-0021-B SiI-DS-0021-C Date 06/99 07/99 01/99 03/99 04/02 Comment First Draft Preliminary Release Full Release Internal Revision B release 2 New format. I C programming and strapping mode description, TFT mapping and Design Recommendations, pin names ISEL/RST changed to ISEL/RST# and PD to PD#. © 2002 Silicon Image, Inc. SiI-DS-0021-C ii SiI 164 PanelLink Transmitter Data Sheet TABLE OF CONTENTS General Description ........................................................................................................................................ 1 Features ...................................................................................................................................................... 1 SiI 164 Pin Diagram........................................................................................................................................ 1 Functional Description .................................................................................................................................... 2 Electrical Specifications .................................................................................................................................. 3 Absolute Maximum Conditions.................................................................................................................... 3 Normal Operating Conditions...................................................................................................................... 3 Digital I/O Specifications ............................................................................................................................. 3 DC Specifications ........................................................................................................................................ 4 AC Specifications ........................................................................................................................................ 5 Input Timing Diagrams ................................................................................................................................ 6 Pin Descriptions .............................................................................................................................................. 8 Input Pins .................................................................................................................................................... 8 Configuration Pins ....................................................................................................................................... 9 Input Voltage Reference Pin...................................................................................................................... 10 Power Management Pins .......................................................................................................................... 10 Differential Signal Data Pins...................................................................................................................... 10 Reserved Pins ........................................................................................................................................... 10 Power and Ground Pins ............................................................................................................................ 10 2 I C Registers..................................................................................................................................................11 2 I C Register Mapping .................................................................................................................................11 2 I C Register Definitions ............................................................................................................................. 12 2 I C Slave Interface and Address ............................................................................................................... 14 Data De-skew Feature .............................................................................................................................. 15 Data Latching Modes ................................................................................................................................ 16 2 I C Programming Sequence ..................................................................................................................... 17 Enabling Hot Plug Detection Mode ........................................................................................................... 17 2 Non I C Mode Configuration ..................................................................................................................... 18 TFT Panel Data Mapping.............................................................................................................................. 20 Design Recommendations............................................................................................................................ 23 2 1.5V to 3.3V I C Bus Level-Shifting........................................................................................................... 23 Voltage Ripple Regulation ......................................................................................................................... 24 Decoupling Capacitors .............................................................................................................................. 25 Series Damping Resistors on Outputs ...................................................................................................... 26 Differential Trace Routing.......................................................................................................................... 26 Package Dimensions .................................................................................................................................... 28 Ordering Information..................................................................................................................................... 28 iii SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet LIST OF TABLES Table 1. Sample Programming Sequence for SiI 164................................................................................... 17 2 Table 2. Non I C Strapping Mode Options .................................................................................................... 19 TM Table 3. One Pixel/Clock Input/Output TFT Mode - VESA P&D and FPDI-2 Compliant........................... 20 Table 4. 24-bit One Pixel/Clock Input with 24-bit Two Pixels/Clock Output TFT Mode ................................ 21 Table 5. 18-bit One Pixel/Clock Input with 18-bit Two Pixels/Clock Output TFT Mode ................................ 22 Table 6. Recommended Components for Bypass and Decoupling Circuits ................................................. 25 LIST OF FIGURES Figure 1. Pin Diagram for SiI 164 ................................................................................................................... 1 Figure 2. Functional Block Diagram................................................................................................................ 2 Figure 3. Clock Cycle High/Low Times ........................................................................................................... 6 Figure 4. Low Swing Differential Times .......................................................................................................... 6 Figure 5. ISEL/RST# Minimum Timing ........................................................................................................... 6 Figure 6. Input Data Setup/Hold Time to IDCK............................................................................................... 7 Figure 7. VSYNC, HSYNC and CTL[3:1] Delay Time from DE....................................................................... 7 Figure 8. DE High and Low Times .................................................................................................................. 7 2 Figure 9. I C Data Valid Delay (driving Read Cycle data) ............................................................................... 7 2 Figure 10. I C Byte Read .............................................................................................................................. 14 2 Figure 11. I C Byte Write .............................................................................................................................. 14 Figure 12. SiI 164 Data De-skew Feature Timing......................................................................................... 15 Figure 13. 12 bit Input Data Latching............................................................................................................ 16 Figure 14. 24 bit Input Data Latching............................................................................................................ 16 2 Figure 15. Non I C Mode Schematic Example ............................................................................................. 18 2 Figure 16. I C Bus Voltage Level-Shifting using Fairchild NDC7002N ......................................................... 23 2 Figure 17. I C Bus Voltage Level Shifting using Philips GTL 2010............................................................... 23 Figure 18. Voltage Regulation using TL431.................................................................................................. 24 Figure 19. Voltage Regulation using LM317 ................................................................................................. 24 Figure 20. Decoupling and Bypass Capacitor Placement ............................................................................ 25 Figure 21. Decoupling and Bypass Schematic ............................................................................................. 25 Figure 22. Series Input Damping Resistors for Driving Source .................................................................... 26 Figure 23. Example of Incorrect Differential Signal Routing ......................................................................... 26 Figure 24. Example of Correct Differential Signal Routing ........................................................................... 27 Figure 25. Differential Trace Routing to DVI Connector(Top Side View) ...................................................... 27 Figure 26. 64-pin TQFP Package Dimensions (JEDEC code MS-026ED) .................................................. 28 SiI-DS-0021-C iv SiI 164 PanelLink Transmitter Data Sheet April 2002 General Description Features • The SiI 164 transmitter uses PanelLink® Digital technology to support displays ranging from VGA to UXGA resolutions (25 - 165Mpps) in a single link interface. Scaleable Bandwidth: 25 - 165MHz (VGA to UXGA) Flexible Graphics Controller Interface: 12-bit or 24-bit mode 1 pixel/clock inputs Flexible Input Clocking: Single clock single edge (24-bit), Single clock dual edge (12-/24bit), Dual clock single edge (12-bit) 2 I C Slave Programming Interface up to 100kHz Low Voltage Interface: 3.3V with option for 1.0 to 3.0V Low Voltage Signal Mode Monitor Detection supported through hot plug and receiver detection De-skewing Option varies input clock to input data timing Low Power: 3.3V operation (120mA max.) and Power Down mode (1mA max.) Cable Distance Support: over 5m with twisted pair and fiber-optics ready Compliant with DVI 1.0 (DVI is backwards compliant with VESA® P&DTM and DFP) • • The SiI 164 transmitter has a highly flexible interface with either a 12-bit mode (½ pixel per clock edge) or 24-bit mode 1-pixel/clock input for true color (16.7 million) support. In 24-bit mode, the SiI 164 supports single or dual edge clocking. In 12-bit mode, the SiI164 supports dual edge single clocking or single edge dual clocking. The SiI 164 can be programmed 2 though an I C interface. In addition the SiI 164 also supports Receiver and Hot Plug Detection. • • • • • PanelLink Digital technology simplifies PC design by resolving many of the system level issues associated with high-speed mixed signal design, providing the system designer with a digital interface solution that is quicker to market and lower in cost. • • AGND TX2+ TX2- AVCC TX1+ TX1- AGND TX0+ TX0- AVCC TXC+ TXC- AGND EXT_SWING PVCC1 PGND 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 SiI 164 Pin Diagram 16 GND 15 BSEL/SCL 35 14 DSEL/SDA 36 13 ISEL/RST# D22 37 12 VCC D21 38 11 MSEN D20 39 10 PD D19 40 SiI 164 D18 41 64-Pin TQFP D17 VCC 33 RESERVED 34 DKEN D23 9 EDGE/HTPLG 8 CTL1/A1/DK1 42 7 CTL2/A2/DK2 D16 43 6 CTL3/A3/DK3 D15 44 5 VSYNC D14 45 4 HSYNC D13 46 3 VREF D12 47 2 DE GND 48 1 VCC 62 63 64 D1 D0 GND 57 IDCK+ 61 56 IDCK- D2 55 D6 60 54 D7 D3 53 D8 59 52 D9 D4 51 D10 58 50 D11 D5 49 PVCC2 (Top View) Figure 1. Pin Diagram for SiI 164 1 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Functional Description TX2+ TX1+ TX0+ TXC+ MSEN The SiI 164 is a DVI 1.0 compliant PanelLink transmitter in a compact package. It provides 24 bits for data Input to allow for panel support up to UXGA resolution. Figure 2 shows the functional blocks of the chip. PanelLink Digital core Registers & Configuration Logic Block 2 VREF IDCK- IDCK+ VSYNC HSYNC D[23:0] CTL/A/DK[3:1] BSEL/SCL DKEN PD EDGE/HTPLG DSEL/SDA ISEL/RST Figure 2. Functional Block Diagram DE Data Capture Logic Block A[3:1] SCL SDA I2C Slave Machine SiI-DS-0021-C EXT_SWING SiI 164 PanelLink Transmitter Data Sheet Electrical Specifications Absolute Maximum Conditions Absolute Maximum Conditions are defined as the worst case conditions the part will tolerate without sustaining damage. Permanent device damage may occur if absolute maximum conditions are exceeded. Proper operation under these conditions is not guaranteed. Functional operation should be restricted to the conditions described under Normal Operating Conditions. Symbol VCC VI VO TJ TSTG Parameter Supply Voltage 3.3V Input Voltage Output Voltage Junction Temperature (with power applied) Storage Temperature Min -0.3 -0.3 -0.3 Typ -65 Max 4.0 VCC+ 0.3 VCC+ 0.3 125 150 Units V V V °C °C Normal Operating Conditions Symbol VCC VCCN TA θJA Parameter Supply Voltage Supply Voltage Noise Ambient Temperature (with power applied) Thermal Resistance (Junction to Ambient) 1 Min 3.0 Typ 3.3 0 25 Max 3.6 100 70 64 Units V mVP-P °C °C/W Note 1. Airflow at 0m/s. Digital I/O Specifications Under normal operating conditions unless otherwise specified. Symbol VIH VIL VDDQ VSH 2 VSL VCINL VCIPL IIL VIH Parameter High Swing High-level Input Voltage High Swing Low-level Input Voltage Low Swing Voltage Low Swing High-level Input Voltage Low Swing Low-level Input Voltage 1 Input Clamp Voltage 1 Input Clamp Voltage Input Leakage Current High Swing High-level Input Voltage Conditions VREF = VCC Min VREF = VCC VREF = VDDQ/2 1 VDDQ/2 + 300mV VREF = VDDQ/2 ICL = -18mA ICL = 18mA -10 VREF = VCC Typ Max Units V 0.8 V 3.0 V V VDDQ/2 – 100mV GND -0.8 VCC + 0.8 10 V 2.0 2.0 V V µA V Notes 1. Guaranteed by design. Voltage undershoot or overshoot cannot exceed absolute maximum conditions 2. VDDQ defines the maximum voltage level of Low Swing input. It is not an actual input voltage. Chip characterization for Low Swing operation is performed at 1.5V only. Voltage level of Low Swing input should never exceed absolute maximum rating. 3 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet DC Specifications Under normal operating conditions unless otherwise specified. Symbol VOD VDOH IDOS IPD# ICCT Parameter Differential Voltage Single ended peak to peak amplitude Differential High-level Output 1 Voltage Differential Output Short Circuit 1 Current 2 Power-down Current Transmitter Supply Current Conditions RLOAD = 50Ω, REXT_SWING = 510Ω Typ 550 Max 590 AVCC VOUT = 0 V IDCK= 165 MHz, 1-pixel/clock mode, REXT_SWING = 510Ω, IVCC = VCC, 3 Worst Case Pattern Notes 1. Guaranteed by design. 2. Assumes all inputs to the transmitter are not toggling. 3. Black and white checkerboard pattern, each checker is one pixel wide. SiI-DS-0021-C Min 510 4 0.2 85 Units mV V 5 µA 1.0 120 mA mA SiI 164 PanelLink Transmitter Data Sheet AC Specifications Under normal operating conditions unless otherwise specified. Symbol TCIP Parameter IDCK Period, 1-pixel/clock Conditions Min 6 FCIP TCIH IDCK Frequency, 1-pixel/clock IDCK High Time at 165MHz 25 2.0 TCIL IDCK Low Time at 165MHz 2.0 TIJIT TSIDF TDDR Worst Case IDCK Clock Jitter Data, DE, VSYNC, HSYNC Setup Time to IDCK falling edge (Default De-skew Setting) Data, DE, VSYNC, HSYNC Hold Time from IDCK falling edge (Default De-skew Setting) Data, DE, VSYNC, HSYNC 1 Setup Time to IDCK rising edge (Default De-skew Setting) Data, DE, VSYNC, HSYNC 1 Hold Time from IDCK rising edge (Default De-skew Setting) Data, DE, VSYNC, HSYNC 1 Setup Time to IDCK falling/rising edge (Default De-skew Setting) Data, DE, VSYNC, HSYNC 1 Hold Time from IDCK falling/rising edge (Default De-skew Setting) VSYNC, HSYNC Delay from DE falling 1 edge 1 VSYNC, HSYNC Delay to DE rising edge THDE DE high time TLDE DE low time THIDF TSIDR THIDR TSID THID TDDF Typ 2,3 Max 40 Units ns 165 MHz ns 2 Figure Figure 3 ns Figure 3 Figure 3 Single Edge (DSEL = 0, EDGE = 0) 1.0 ns ns Figure 6 Single Edge (DSEL = 0, EDGE = 0) 0.9 ns Figure 6 Single Edge (DSEL = 0, EDGE = 1) 1.0 ns Figure 6 Single Edge (DSEL = 0, EDGE = 1) 0.9 ns Figure 6 Dual Edge (DSEL = 1, BSEL = 0) 0.6 ns Dual Edge (DSEL = 1, BSEL = 0) 1.3 ns 1TCIP ns Figure 7 ns ns Figure 7 Figure 8 Figure 8 ps µs Figure 5 1TCIP 1 8191TCIP 1 128TCIP TSTEP TRESET De-skew step size increment Duration of RESET signal Low required for valid Reset DKEN = 1 260 TI2CDVD SDA Data Valid Delay from SCL high 3 to low transition CL = 10pf CL = 400pf SHLT Differential Swing High-to-Low Transition Time RLOAD = 50Ω, REXT_SWING = 510Ω 170 SLHT Differential Swing Low-to-High Transition Time RLOAD = 50Ω, REXT_SWING = 510Ω 170 10 ns ns ns ps Figure 9 200 700 2000 230 200 230 ps Figure 4 Figure 4 Notes 1. Guaranteed by design. 2. Actual jitter tolerance may be higher depending on the frequency of the jitter. 2 2 3. All Standard mode I C (100kHz) timing requirements are guaranteed by design. Fast mode I C (400kHz) timing requirements are guaranteed at 10pf loading. 5 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Input Timing Diagrams TCIP TCIH 2.0 V 2.0 V 2.0 V 0.8 V 0.8 V TCIL Figure 3. Clock Cycle High/Low Times SLHT SHLT 80% VOD 20% VOD Figure 4. Low Swing Differential Times VCC ISEL/RST# TRESET Figure 5. ISEL/RST# Minimum Timing SiI-DS-0021-C 6 SiI 164 PanelLink Transmitter Data Sheet 50 % IDCK THIDF TSIDF D[23:0], DE, HSYNC,VSYNC 50 % 50 % 50 % TSIDR THIDR Figure 6. Input Data Setup/Hold Time to IDCK DE DE 0.8 V 0.8 V TDDF VSYNC, HSYNC, CTL[3:1] TDDR 0.8 V VSYNC, HSYNC, CTL[3:1] 0.8 V Figure 7. VSYNC, HSYNC and CTL[3:1] Delay Time from DE THDE 2.0 V DE 2.0 V 0.8 V 0.8 V TLDE Figure 8. DE High and Low Times SDA TI2I2CDVD SCL 2 Figure 9. I C Data Valid Delay (driving Read Cycle data) 7 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Pin Descriptions Input Pins Pin Name Pin # Type Description D[23:12] 36-47 In D[11:0] 5055, 58-63 In IDCK+ IDCK- 57 56 In In DE 2 In HSYNC VSYNC CTL1/A1/DK1 CTL2/A2/DK2 CTL3/A3/DK3 4 5 8 7 6 In In In SiI-DS-0021-C Top half of 24-bit pixel bus. When BSEL = HIGH, this bus inputs the top half of the 24-bit pixel bus. When BSEL = LOW, these bits are not used to input pixel data. In this mode, the state of D[23:16] is input to the 2 I C register CFG. This allows 8-bits of user configuration data to be read by the graphics 2 2 controller through the I C interface (see I C register definition). When not used D[23:16] should be tied to ground. D[15:12] are reserved for SiI use only and should be tied to GND. Bottom half of 24-bit pixel bus / 12-bit pixel bus input. When BSEL = HIGH, this bus inputs the bottom half of the 24-bit pixel bus. When BSEL = LOW, this bus inputs ½ a pixel (12-bits) at every latch edge (both falling and/or rising) of the clock. Input Data Clock +. Input Data Clock –. This clock is only used in 12-bit mode when dual edge clocking is turned off (DSEL = LOW). It is used to provide the ODD latching edges for dual clock single edge. If BSEL = HIGH or DSEL = HIGH, this pin is unused and should be tied to GND. Input Data Enable. This signal qualifies the active data area. DE is always required by the transmitter and must be high during active display time and low during blanking time. Horizontal Sync input control Signal Vertical Sync input control signal. The use of these multi-function inputs depends on the settings of ISEL/RST# and DKEN. These inputs are regular high-swing 3.3V CMOS level inputs. These pins contain weak pulldown resistors so that if left unconnected, they will be LOW. When ISEL/RST# = LOW, DKEN = LOW General Purpose Input CTL[3:1] pins are active, for backward compatibility. These pins must be used to send DC signals only during the blanking time. When ISEL/RST# = LOW, DKEN = HIGH DK[3:1] are active, these inputs are used to select the De-skewing setting for the input bus. When ISEL/RST# = HIGH, DKEN = HIGH 2 A[3:1] are active, these bits are used to set the lower 3 bits of the I C device address. 8 SiI 164 PanelLink Transmitter Data Sheet Pin Descriptions (cont’d) Configuration Pins Pin Name Pin # Type MSEN 11 Out ISEL/RST# 13 In BSEL/SCL 15 In DSEL/SDA 14 In/Out EDGE/ HTPLG 9 In DKEN 35 In Description Monitor Sense. This pin is an open collector output. The behavior of this output depends on 2 whether I C interface active: 2 I C bus inactive (ISEL/RST# = LOW) HIGH level indicates a powered on receiver is detected at the differential outputs. A LOW level indicates a powered on receiver is not detected. 2 I C bus is enabled (ISEL/RST# = HIGH) 2 2 The output is programmable through the I C interface (see I C Register Definitions). An external 5K pull-up resistor to VDDQ is required on this pin. 2 I C Interface Select. ISEL/RST#=HIGH, 2 I C interface is active. ISEL/RST#=LOW, 2 I C is inactive and the chip configuration is read from the configuration strapping pins. This pin 2 also acts as an asynchronous reset to the I C interface controller. The reset is active when this input is held LOW. 2 Note: When the I C interface is active, DKEN must be set HIGH. 2 2 Input bus select / I C clock. This pin is an open collector input. If I C bus is enabled 2 2 (ISEL/RST# = HIGH), then this pin is the I C clock input. If the I C is disabled (ISEL/RST# = LOW), then this pin selects the input bus width. Input Bus Select: HIGH selects 24-bit input mode LOW selects 12-bit input mode 2 2 Dual edge clock select / I C Data. This pin is an open collector input/output. If I C bus is 2 2 enabled (ISEL/RST# = HIGH), then this pin is the I C data line. If the I C bus is disabled (ISEL/RST# = LOW), then this pin selects whether single clock dual edge is used. Dual Edge clock select: When HIGH, IDCK+ latches input data on both falling and rising clock edges. When LOW, IDCK+/IDCK- latches input data on only falling or rising clock edges. In 24-/12-bit mode: If HIGH (dual edge), IDCK+ is used to latch data on both falling and rising edges. st nd If LOW (single edge), IDCK+ latches 1 half data and IDCK- latches 2 half data. 2 Edge select / Hot Plug input. If the I C bus is enabled (ISEL/RST# = HIGH), then this pin is TM ® TM used to monitor the “Hot Plug” detect signal (Please refer to the DVI or VESA P&D and DFP standards). This Input is ONLY 3.3V tolerant and has no internal de-bouncer circuit. 2 If I C bus is disabled (ISEL/RST# = LOW), then this pin selects the clock edge that will latch the data. How the EDGE setting works depends on whether dual or single edge latching is selected: Dual Edge Mode (DSEL = HIGH) EDGE = LOW, the primary edge (first latch edge after DE is asserted) is the falling edge. EDGE = HIGH, the primary edge (first latch edge after DE is asserted) is the rising edge. Note: In 24-bit Single Clock Dual Edge mode, EDGE is ignored. Single Edge Mode (DSEL = LOW) EDGE = LOW, the falling edge of the clock is used to latch data. EDGE = HIGH, the rising edge of the clock is used to latch data. De-skewing enable. 2 I C mode (ISEL/RST# = HIGH) DKEN pin must be set to HIGH. DK[3:1] pins are ignored and the De-skewing increments are 2 2 selected through the I C interface (see the I C register definitions). 2 Non I C mode (ISEL/RST# = LOW) DKEN = LOW, then default De-skewing setting is used. DKEN = HIGH, then DK[3:1] is used as the De-skewing setting. The De-skewing increments are TSTEP. Please see Data De-skew Feature for an illustration. 9 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Pin Descriptions (cont’d) Input Voltage Reference Pin Pin Name Pin # Type VREF 3 Description Analog In Input Reference Voltage. Selects the Swing range of the digital inputs, which include only D[23:0], IDCK+, IDCK-, DE, VSYNC, and HSYNC. Input pins SCL and SDA, RST, BSEL, DSEL, EDGE and PD# require 3.3V high swing signals and are not changed by the VREF input. To set the digital inputs to 3.3V High Voltage Swing, VREF must be set to 3.3V. To set the digital inputs to Low Voltage Swing, VREF must be set to ½ of VDDQ where VDDQ is swing level of input signal. Thus for DVO mode(1.5V Low Voltage Swing) VREF should be set to 0.75V and BSEL=LOW. Power Management Pins Pin Name Pin # PD# 26 Type Description Power Down (active LOW). A HIGH level indicates normal operation. A LOW level indicates Power Down mode. In Power Down mode the Analog core is disabled and Output 2 buffers/pins are tri-stated however the Input buffer/pins and I C Block for read and write are 2 2 active. PD# pin is disabled during I C mode. PD# should be tied low during I C mode. In Differential Signal Data Pins Pin Name Pin # Type TX0+ TX0TX1+ TX1TX2+ TX2TXC+ TXCEXT_SWING 25 24 28 27 31 30 22 21 19 Analog Analog Analog Analog Analog Analog Analog Analog Analog Description TMDS Low Voltage Differential Signal input data pairs. These pins are tri-stated when PD# is pulled low. TMDS Low Voltage Differential Signal input clock pair. These pins are tri-stated when PD# is pulled low. Voltage Swing Adjust. A resistor should tie this pin to AVCC. This resistor sets the amplitude of the voltage swing. A smaller resistor value sets a larger voltage swing and vice versa. For remote display applications a 510Ω resistor is recommended. While for notebook computers 680Ω is recommended to ensure voltage swing is not overdriven over a short cable distance. Reserved Pins Pin Name RESERVED Pin # Type Description 34 In Must be tied LOW for normal operation. Power and Ground Pins Pin Name Pin # Type VCC GND AVCC AGND PVCC1 PVCC2 PGND 1,12,33 16,48,64 23,29 20,26,32 18 49 17 Power Ground Power Ground Power Power Ground SiI-DS-0021-C Description Digital VCC, must be set to 3.3V nominal. Digital GND. Analog VCC, must be set to 3.3V nominal. Analog GND. Primary PLL Analog VCC, must be set to 3.3V nominal. Filter PLL Analog VCC, must be set to 3.3V nominal. PLL Analog GND. 10 SiI 164 PanelLink Transmitter Data Sheet I2C Registers 2 I C Register Mapping Addr. 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 Bit 7 0x09 VLOW (RO) 0x0A 0x0B 7 0x0C Bit 6 RSVD[1:0] Bit 5 Bit 3 VND_IDL (RO) VND_IDH (RO) DEV_IDL (RO) DEV_IDH (RO) DEV_REV (RO) RSVD[7:0] FRQ_LOW (RO) FRQ_HIGH (RO) VEN HEN DSEL (RW) (R/W) (R/W) MSEL[2:0] (RW) TSEL (RW) DK[3:1] (RW) SCNT (RW) Bit 4 DKEN (RW) 4 CFG[7:0] (RO) RSVD Bit 2 Bit 1 Bit 0 BSEL (RW) EDGE (RW) PD (RW) RSEN (RO) HTPLG (RO) MDI (RW) CTL[3:1] (RW) PLLF[3:1] (RW) RSVD[3:0] RSVD PFEN (RW) 0x0D RSVD[3:0] 0x0E RSVD[7:0] 0x0F RSVD[7:0] Notes 1. All values are Bit 7(MSB) and Bit 0(LSB). 2. Registers that can be written and read from are listed as (R/W) while registers that can be read only are listed with (RO). 3. Actual jitter tolerance may be higher depending on the frequency of the jitter. 4. Contents of this register are dependent on the status of pins D[23:16]. 2 5. After the RESET signal is deasserted in I C mode, only PD and MSEL have a default value or can retain their programmed value set before the reset. All other registers do not have a default value or retain their value after a reset. 2 As such all required registers other than PD and MSEL must reinitialized in I C mode after being powered up or reset. 6. Registers listed as RSVD are reserved and for Silicon Image, Inc use only. 7. 0x0C is also called the VDJK Register. Default setting for the VDJK register 0x0C is 89h, which is optimum for most applications. 11 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet 2 I C Register Definitions Register Name VND_IDL VND_IDH DEV_IDL DEV_IDH DEV_REV FRQ_LOW FRQ_HIGH PD Access RO RO RO RO RO RO RO RW EDGE RW BSEL RW DSEL RW HEN RW VEN RW MDI RW HTPLG RSEN RO RO TSEL RW MSEL[2:0] RW VLOW RO CTL[3:1] SiI-DS-0021-C RW Description Vendor ID Low byte (01h) Vendor ID High byte (00h) Device ID Low byte (06h) Device ID High byte (00h) Device Revision (00h) Low frequency limit at 1-pixel/clock mode (MHz) (19h) High frequency limit at 1-pixel/clock mode Max frequency minus 65MHz (MHz) (64h) Power Down mode (same function as PD# pin) 0 – Power Down (Default after RESET) 1 – Normal operation Edge Select (same function as EDGE pin) 0 – Input data is falling edge latched (falling edge latched first in dual edge mode) 1 – Input data is rising edge latched (rising edge latched first in dual edge mode) Input Bus Select (same function as BSEL pin) 0 – Input data bus is 12-bits wide 1 – Input data bus is 24-bits wide Dual Edge Clock Select (same function as DSEL pin) 0 – Input data is single edge latched 1 – Input data is dual edge latched Horizontal Sync Enable: 0 – HSYNC input is transmitted as fixed LOW 1 – HSYNC input is transmitted as is Vertical Sync Enable: 0 – VSYNC input is transmitted as fixed LOW 1 – VSYNC input is transmitted as is Monitor Detect Interrupt 0 – Detection signal has changed logic level (write one to this bit to clear) 1 – Detection signal has not changed state Hot Plug Detect input, the state of HTPLG pin can be read from this bit Receiver Sense (only available for use in DC coupled systems) 0 – Active/Powered Receiver not detected 1 – Active/Powered Receiver detected Interrupt Generation Method 0 – Interrupt bit (MDI) is generated by monitoring RSEN 1 – Interrupt bit (MDI) is generated by monitoring HTPLG Select source of the MSEN output pin 000 – Force MSEN outputs high (disabled – default after RESET) 001 – Outputs the MDI bit (interrupt) 010 – Output the RSEN bit (receiver detect) 011 – Outputs the HTPLG bit (hot plug detect) 1xx – RESERVED This bit is a 1 if the VREF setting 1 – Indicates High Swing inputs 0 – Indicates Low Swing inputs General purpose inputs (same as CTL[3:1] pins) 12 SiI 164 PanelLink Transmitter Data Sheet 2 I C Register Definitions (cont’d) Register Name Access CFG[7:0] RO PFEN RW PLLF[3:1] RW SCNT RW DK[3:1] RW DKEN RW Description Contains state of inputs D[23:16]. These pins can be used to provide user selectable 2 configuration data through the I C bus. Only available in 12-bit mode PLL Filter Enable in the VDJK Register. 1 – To enable PLL Filter (recommended setting) 0 – To disable PLL Filter Set characteristics of PLL filter in the VDJK register 100 – Recommended value SYNC Continuous 1 – To enable (recommended setting) 0 – To disable De-skewing Setting. Increment 260psec. 000 – 1 step -> minimum setup / maximum hold 001 – 2 step 010 – 3 step 011 – 4 step 100 – 5 step -> default (recommended setting) 101 – 6 step 110 – 7 step 111 – 8 step -> maximum setup / minimum hold Please see Data De-Skew Feature for an illustration De-skewing Enable through DK[3:1] bits. When DKEN pin is HIGH via pin or set to 1, then De-skew is enabled. When set to 0 De-skew is disabled. Please see Data Deskew Feature for an illustration. 13 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet 2 I C Slave Interface and Address The SiI 164 slave state machine does not require an internal clock and support only byte read and write. Page 2 mode is not supported. The 7-bit binary address of the I C machine is “0111 A3A2A1R” where R =1 sets a read operation while R=0 sets a write operation. Please see Figure 10 for a Byte Read operation and Figure 11 for a byte 2 2 write operation. For more detailed information on I C protocols please refer to I C Bus Specification version 2.1 available from Philips Semiconductors Inc. S Register Address AAA 3 2 1 AAA 3 2 1 S A C K A C K Bus Activity : SiI 164 Slave Address Stop SDA Line Slave Address Start Bus Activity : Master Start When ISEL/RST# = HIGH and DKEN = HIGH, pins 6,7,8 functions as A[3:1]. Each pin can be set to HIGH or LOW 2 to select a desired I C address for the SiI 164. To set the SiI 164 to 72h, tie pin 7 and 6 to ground and pull pin 8 to VCC via 2.2K resistor. The recommended setting is to tie pins 6,7 and 8 to ground to set “000” or address 70h in 2 I C mode . P A C K Data 2 SDA Line S Bus Activity : SiI 164 Slave Address Address Data AAA 3 2 1 P A C K A C K 2 Figure 11. I C Byte Write SiI-DS-0021-C Stop Bus Activity : Master Start Figure 10. I C Byte Read 14 A C K SiI 164 PanelLink Transmitter Data Sheet Data De-skew Feature Input clock to data setup/hold time can be adjusted through the use of the De-skew feature. It should be noted that 2 it is the clock that is being adjusted. When DKEN is HIGH, the configuration pins DK[3:1] or applicable I C register bits (DK[3:1]) can be used to vary the input setup/hold time by an amount TCD given by the formula TCD = (DK[3:1] - 4) x TSTEP. Where: TCD is the amount of setup/hold timing variation 2 DK[3:1] is the setting of the de-skew configuration pins or I C registers This feature can be used in 12-bit or 24-bit mode. 2 If DKEN is set LOW and the SiI 164 is not in I C mode, the DK[3:1] inputs are ignored, and the default setting of TCD = 0 is used. D [23:0], DE, VSYNC, HSYNC, C T L [3:1] CLK+ CLKT CD -T C D D K [3:1] 000 100 111 d efau lt Figure 12. SiI 164 Data De-skew Feature Timing 15 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Data Latching Modes SiI 164 can be set to different to operate in either 12 bit or 24 bit input mode. In either mode the SiI 164 can be set to latch data at either rising or falling edge of the clock or support dual edge clocking mode. Figure 13 illustrates the latching edge for a 12 bit data input (BSEL = 0) by changing DSEL and EDGE option. Clock edges represented by arrows signify the latching edge. For Dual Edge mode, the dark arrows indicate the primary latch edge. DE D[11:0] P 0L PO H P 1L P 1H PN-1H PN L P NH IDCK+ L = Low half pixel H = High half pixel DSEL = 1 EDGE = 0 IDCK+ DSEL = 0 IDCK- IDCK+ DSEL = 1 EDGE = 1 IDCK+ DSEL = 0 IDCKFirst Latch Edge Figure 13. 12 bit Input Data Latching Figure 14 illustrates the latching edge for a 24 bit data input (BSEL=1) with DSEL and EDGE option. EDGE pin has no affect in 24-bit Single Clock Dual Edge Mode. DE D[23:0] P0 P1 PN-1 PN IDCK+ DSEL = 1, EDGE = 0 IDCK+ DSEL = 0, EDGE = 0 IDCK+ DSEL = 1, EDGE = 1 IDCK+ DSEL =0, EDGE = 1 First Latching Edge Figure 14. 24 bit Input Data Latching SiI-DS-0021-C 16 SiI 164 PanelLink Transmitter Data Sheet 2 I C Programming Sequence To program the SiI 164 in data latched on 12 bit mode Dual Edge Clock with Primary Edge as the rising edge, Deskew enabled without Hotplug and the following sample programming sequence listed in Table 1 may be used. It is 2 important to note that the suggested I C address for SiI 164 be set to x70h by tying A1, A2 and A3 to ground. Table 1. Sample Programming Sequence for SiI 164 Register(Hex) Value(Hex) Description st Enable HEN, VEN, 1 data latched on rising edge with PD low until all registers are programmed. 0x08 31 0x09 00 MSEN disabled. 0x0A 90 De-skew enabled with default 100 value. CTL is not used. 0x0C 89 SCNT, PLL Filter Enable and PLL Bandwidth Filter set to default. 0x08 33 Set PD to High after the registers above have been programmed. Enabling Hot Plug Detection Mode As documented in the VESA Digital Flat Panel Standard, all monitors are required to support Hot Plug Detection 2 but support is optional for the host. The SiI 164 supports the Hot Plug Detect feature. In I C mode, pin 9 functions as HTPLG input. It should be noted that the HTPLG pin on the SiI 164 is only 3.3V tolerant therefore HTPLG voltage level from the DVI connector should be level shifted or clamped at 3.3V. When the voltage level at the HTPLG pin is 3.3V, the HTPLG bit will be set to 1. To output the HTPLG bit via the MSEN pin, register MSEL[2:0] should be programmed to 011. The SiI 164 can also be programmed to enable the Hot Plug Detection Mode via the Receiver Sense function. In this mode, HTPLG pin is not required. By programming MSEL[2:0] to 010, SiI 164 will output the RSEN=1 bit though the MSEN pin when the SiI 164 is connected to a powered receiver. 17 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet 2 Non I C Mode Configuration 2 The SiI 164 can be set to program itself at power up without writing any SiI 164 registers via I C. The SiI 164 is 2 2 extremely flexible and can be set to operate in any input format that can be set in I C mode. In non I C mode, specific configuration pins need to be strapped to either high or low to set the desired mode. Figure 15 provides a 2 schematic example of all the pins that can be configured to enable the various modes in non I C mode. Table 2 lists resistors to be stuffed for a specific mode. AVCC R16 A D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D[11..0] 36 37 38 39 40 41 42 43 44 45 46 47 50 51 52 53 54 55 58 59 60 61 62 63 D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 EXT_RES PD DKEN DK1 DK2 DK3 ISEL/RST RSVD 3.3V B R1 2.2K R4 330 R5 330 R6 330 3.3V 510 1% R2 2.2K R7 R8 R9 R10 R11 19 10 PD 35 DKEN R12 330 8 DK1 R13 0 7 DK2 R14 0 6 DK3 R15 0 33K 33K 33K 33K 33K 13 34 R3 2.2K 3.3V BSEL 15 DSEL 14 EDGE 9 BSEL/SCL 1.5V or VDDQ D R17 DSEL/SDA VREF EDGE/CHG/SIN 3 VREF 2.2K R18 15K R19 15K Sil 164 2 Figure 15. Non I C Mode Schematic Example SiI-DS-0021-C C 18 SiI 164 PanelLink Transmitter Data Sheet 2 Non I C Mode Configuration (cont’d) 2 ISEL/RST# and RSVD pins must always be tied to ground for non I C mode. PD# must be tied high or the SiI 164 will still be in Power Down mode when VCC is applied. In Figure 15 Block A corresponds to the upper 12 bits (D [23:12]) of the SiI 164. When not in use, they should always be tied to ground. Block B controls the Input Bus data width, Dual Edge Clock Select and Edge Select. IDCK- is only used in 12 bit mode. In 24 bit mode or Dual Edge Clock select IDCK- should be tied to ground. Block C controls the De-skew options. Block D determines the input voltage level swing. A full description of each pin can be found in the Pin Description section of this document. 2 Table 2. Non I C Strapping Mode Options MODE 1. 2. 3. 4. 5. 6. 1. 2. 3. 4. 5. 6. 1. 2. 3. 4. 5. 6. 1. 2. 3. 4. 5. 6. BLOCK A BLOCK B BLOCK C BLOCK D 24 bit Single Clock Dual Edge Falling Edge st latching 1 pixel De-skewing enabled to 100 High Voltage Swing Connect D[23:12] to VGA Source Stuff only R1, R2, R6 Stuff only R8, R13, R14, R11 Stuff Only R17 24 bit Single Clock Single Edge Falling Edge De-skewing disabled High Voltage Swing. Connect D[23:12] to VGA Source Stuff only R1, R5, R6 Stuff only R12, R13, R14, R15 Stuff Only R17 Ground D[23:12] Stuff only R4, R2, R3 Stuff only R12, R13, R14, R15 Stuff Only R17 Ground D[23:12] Stuff only R4, R5, R6 Stuff only R8, R13, R14, R11 Stuff Only R18, R19 1 2 12 bit Single Clock Dual Edge Rising Edge of st IDCK+ latching 1 ½ pixel De-skewing disabled High Voltage Swing. 3 12 bit Dual Clock Dual Edge, Falling Edge of st IDCK+ latching 1 ½ pixel De-skewing enabled to 100 Low Swing Mode Notes 1. In 24 bit IDCK+ is input clock. IDCK- should be tied to ground. 2. In 12 bit dual edge mode, IDCK- is not used. 3. This setting is equivalent to DVO mode. In DVO mode both IDCK+ and IDCK- must be connected. 19 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet TFT Panel Data Mapping The following TFT data mapping tables are strictly listed for single link TFT applications only. SiI 143B, SiI 151B, SiI 153B and SiI 161B all have the same pinout. As such mapping will be the same when SiI 143B or SiI151B or SiI153B is used in place of SiI 161B. TM Table 3. One Pixel/Clock Input/Output TFT Mode - VESA P&D and FPDI-2 TFT VGA Output 24-bpp 18-bpp B0 B1 B2 B3 B4 B5 B6 B7 G0 G1 G2 G3 G4 G5 G6 G7 R0 R1 R2 R3 R4 R5 R6 R7 Shift CLK VSYNC HSYNC DE Tx Input Data 160 164 Rx Output Data 161B 141B Compliant TFT Panel Input 24-bpp 18-bpp B0 B1 B2 B3 B4 B5 DIE0 DIE1 DIE2 DIE3 DIE4 DIE5 DIE6 DIE7 D0 D1 D2 D3 D4 D5 D6 D7 QE0 QE1 QE2 QE3 QE4 QE5 QE6 QE7 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 B0 B1 B2 B3 B4 B5 B6 B7 B0 B1 B2 B3 B4 B5 G0 G1 G2 G3 G4 G5 DIE8 DIE9 DIE10 DIE11 DIE12 DIE13 DIE14 DIE15 D8 D9 D10 D11 D12 D13 D14 D15 QE8 QE9 QE10 QE11 QE12 QE13 QE14 QE15 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 G0 G1 G2 G3 G4 G5 G6 G7 G0 G1 G2 G3 G4 G5 R0 R1 R2 R3 R4 R5 DIE16 DIE17 DIE18 DIE19 DIE20 DIE21 DIE22 DIE23 D16 D17 D18 D19 D20 D21 D22 D23 QE16 QE17 QE18 QE19 QE20 QE21 QE22 QE23 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 R0 R1 R2 R3 R4 R5 R6 R7 R0 R1 R2 R3 R4 R5 Shift CLK IDCK IDCK ODCK ODCK Shift CLK Shift CLK VSYNC VSYNC VSYNC VSYNC VSYNC VSYNC VSYNC HSYNC HSYNC HSYNC HSYNC HSYNC HSYNC HSYNC DE DE DE DE DE DE DE For 18-bit mode, the Flat Panel Graphics Controller interfaces to the transmitter exactly the same as in the 24-bit mode; however, 6 bits per channel (color) are used instead of 8. It is recommended that unused data bits be tied low. As can be seen from the above table, the data mapping for less than 24-bit per pixel interfaces are MSB justified. The data is sent during active display time while the control signals are sent during blank time. Note that the three data channels (CH0, CH1, CH2) are mapped to Blue, Green and Red data respectively. SiI-DS-0021-C 20 SiI 164 PanelLink Transmitter Data Sheet Table 4. 24-bit One Pixel/Clock Input with 24-bit Two Pixels/Clock Output TFT Mode TFT VGA Output 24-bpp B0 B1 B2 B3 B4 B5 B6 B7 G0 G1 G2 G3 G4 G5 G6 G7 R0 R1 R2 R3 R4 R5 R6 R7 Shift CLK VSYNC HSYNC DE Tx Input Data 160 164 DIE0 D0 DIE1 D1 DIE2 D2 DIE3 D3 DIE4 D4 DIE5 D5 DIE6 D6 DIE7 D7 DIE8 D8 DIE9 D9 DIE10 D10 DIE11 D11 DIE12 D12 DIE13 D13 DIE14 D14 DIE15 D15 DIE16 D16 DIE17 D17 DIE18 D18 DIE19 D19 DIE20 D20 DIE21 D21 DIE22 D22 DIE23 D23 IDCK VSYNC HSYNC DE IDCK VSYNC HSYNC DE 21 Rx Output Data 161B QE0 QE1 QE2 QE3 QE4 QE5 QE6 QE7 QE8 QE9 QE10 QE11 QE12 QE13 QE14 QE15 QE16 QE17 QE18 QE19 QE20 QE21 QE22 QE23 TFT Panel Input 24-bpp B0 - 0 B1 - 0 B2 - 0 B3 - 0 B4 - 0 B5 - 0 B6 - 0 B7 - 0 G0 - 0 G1 - 0 G2 - 0 G3 - 0 G4 - 0 G5 - 0 G6 - 0 G7 - 0 R0 - 0 R1 - 0 R2 - 0 R3 - 0 R4 - 0 R5 - 0 R6 - 0 R7 - 0 QO0 QO1 QO2 QO3 QO4 QO5 QO6 QO7 QO8 QO9 QO10 QO11 QO12 QO13 QO14 QO15 QO16 QO17 QO18 QO19 QO20 QO21 QO22 QO23 ODCK VSYNC HSYNC DE B0 - 1 B1 - 1 B2 - 1 B3 - 1 B4 - 1 B5 - 1 B6 - 1 B7 - 1 G0 - 1 G1 - 1 G2 - 1 G3 - 1 G4 - 1 G5 - 1 G6 - 1 G7 - 1 R0 - 1 R1 - 1 R2 - 1 R3 - 1 R4 - 1 R5 - 1 R6 - 1 R7 - 1 Shift CLK/2 VSYNC HSYNC DE SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Table 5. 18-bit One Pixel/Clock Input with 18-bit Two Pixels/Clock Output TFT Mode TFT VGA Output 18-bpp B0 B1 B2 B3 B4 B5 G0 G1 G2 G3 G4 G5 R0 R1 R2 R3 R4 R5 Shift CLK VSYNC HSYNC DE SiI-DS-0021-C Tx Input Data 160 164 DIE0 D0 DIE1 D1 DIE2 D2 DIE3 D3 DIE4 D4 DIE5 D5 DIE6 D6 DIE7 D7 DIE8 D8 DIE9 D9 DIE10 D10 DIE11 D11 DIE12 D12 DIE13 D13 DIE14 D14 DIE15 D15 DIE16 D16 DIE17 D17 DIE18 D18 DIE19 D19 DIE20 D20 DIE21 D21 DIE22 D22 DIE23 D23 IDCK VSYNC HSYNC DE Tx Output Data 161B 141B QE0 QE1 QE2 Q0 QE3 Q1 QE4 Q2 QE5 Q3 QE6 Q4 QE7 Q5 QE8 QE9 QE10 Q6 QE11 Q7 QE12 Q8 QE13 Q9 QE14 Q10 QE15 Q11 QE16 QE17 QE18 Q12 QE19 Q13 QE20 Q14 QE21 Q15 QE22 Q16 QE23 Q17 QO0 QO1 QO2 Q18 QO3 Q19 QO4 Q20 QO5 Q21 QO6 Q22 QO7 Q23 QO8 QO9 QO10 Q24 QO11 Q25 QO12 Q26 QO13 Q27 QO14 Q28 QO15 Q29 QO16 QO17 QO18 Q30 QO19 Q31 QO20 Q32 QO21 Q33 QO22 Q34 QO23 Q35 ODCK Shift CLK/2 VSYNC VSYNC HSYNC HSYNC DE DE IDCK VSYNC HSYNC DE 22 TFT Panel Input 18-bpp B0 - 0 B1 - 0 B2 - 0 B3 - 0 B4 - 0 B5 - 0 G0 - 0 G1 - 0 G2 - 0 G3 - 0 G4 - 0 G5 - 0 R0 - 0 R1 - 0 R2 - 0 R3 - 0 R4 - 0 R5 - 0 B0 - 1 B1 - 1 B2 - 1 B3 - 1 B4 - 1 B5 - 1 G0 - 1 G1 - 1 G2 - 1 G3 - 1 G4 - 1 G5 - 1 R0 - 1 R1 - 1 R2 - 1 R3 - 1 R4 - 1 R5 - 1 Shift CLK/2 VSYNC HSYNC DE SiI 164 PanelLink Transmitter Data Sheet Design Recommendations 2 1.5V to 3.3V I C Bus Level-Shifting 2 2 To program the SiI 164 via I C mode SDA and SCL swing level must be 3.3V. DVO sources have I C swing of 1.5V. To ensure proper initialization of the SiI 164 a bi-directional voltage level-shifting circuit between the SiI 164 2 I C bus and the VGA or driving source should be implemented. Two suggested components that can be used to achieve this is by using either a dual N-channel transistor like Fairchild Semiconductor’s NDC7002N or the Philips GTL2010 High Speed Bus Switch. Refer to Figure 16 for a schematic example using a dual N-channel transistor 2 2 for translating an I C 1.5V signal to 3.3V I C signal and vice versa. 1.5V 2.9V 1 1K Q2 G 2 S 1.5V I2C DATA FROM VGA 1.5V 3.3V 2.2K D 3 2N7002 2.9V 1 1K 3.3V Q4 G 2 S 1.5V I2C CLK FROM VGA 3.3V I2C DATA TO SiI 164 2.2K D 3 2N7002 3.3V I2C CLK TO SiI 164 2 Figure 16. I C Bus Voltage Level-Shifting using Fairchild NDC7002N Figure 17 illustrates a schematic example using the Philips GTL 2010 to achieve a 1.5V to 3.3V bi-directional level-shift. 1.5V 5V R1 R2 1K 1K 3.3V R3 R4 R5 200K 2.2K 2.2K U1 1.5V I2C DATA FROM VGA 1 2 3 4 5 6 7 8 9 10 11 12 1.5V I2C CLK FROM VGA GND GREF SREF DREF S1 D1 S2 D2 S3 D3 S4 D4 S5 D5 S6 D6 S7 D7 S8 D8 S9 D9 S10 D10 GTL2010 24 23 22 21 20 19 18 17 16 15 14 13 3.3V I2C DATA TO SiI 164 3.3V I2C CLK TO SiI 164 2 Figure 17. I C Bus Voltage Level Shifting using Philips GTL 2010 23 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Voltage Ripple Regulation The power supply to PVCC is very important to the proper operation of the Transmitter chips. PVCC does not draw much current so any voltage regulator that can supply 50mA or more is sufficient. Two suggested voltage regulators are TL431 from Texas Instruments or LM317 from National Semiconductor. Two examples are shown in Figure 18 and Figure 19 100-150 ohms Vout (3.3V) to PVCC1 and PVCC2 Vin (5V) 1K ohms 1% Cathode Ref TL431 Vref Anode 3K ohms 1% Figure 18. Voltage Regulation using TL431 Decoupling and bypass capacitors are also involved with power supply connections, as described in detail in Figure 20 and Figure 21. LM317EMP Vin (5V) VIN Vout (3.3V) to PVCC1 and PVCC2 VOUT ADJ 240 ohms 390 ohms Figure 19. Voltage Regulation using LM317 SiI-DS-0021-C 24 SiI 164 PanelLink Transmitter Data Sheet Decoupling Capacitors Designers should include decoupling and bypass capacitors at each power pin in the layout. These are shown schematically in Figure 21. Place these components as closely as possible to the SiI 164 pins, and avoid routing through vias if possible, as shown in Figure 20, which is representative of the various types of power pins on the transmitter. VCC C1 L1 C2 VCC Ferrite GND C3 Via to GND Figure 20. Decoupling and Bypass Capacitor Placement VCC L1 VCCPIN C1 C2 C3 Figure 21. Decoupling and Bypass Schematic The values shown in Table 6 are recommendations that should be adjusted according to the noise characteristics of the specific board-level design. Pins in one group (such as VCC) may share C2, L1, and C3, each pin having C1 placed as closely to the pin as possible. Table 6. Recommended Components for Bypass and Decoupling Circuits C1 100 – 300 pF C2 2.2 – 10 µF C3 10 µF 25 L1 200+ Ω SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Series Damping Resistors on Outputs Series resistors are effective in lowering the data-related emissions and reducing reflections. Series resistors with suggested value of 22Ω or 33Ω should be placed close to the output pins of the VGA Source or Graphics chip, as shown in Figure 22. D[23..0] VGA Figure 22. Series Input Damping Resistors for Driving Source Differential Trace Routing The routing for the SiI 164 chip is relatively simple since no spiral skew compensation is needed. However, a few small precautions are required to achieve the full performance and reliability of DVI. The Transmitter can be placed fairly far from the output connector, but care should be taken to route each differential signal pair together and achieve impedance of 100Ω between the differential signal pair. However, note that the longer the differential traces are between the transmitter and the output connector, the higher the chance that external signal noise will couple onto the low-voltage signals and affect image quality. Do not split or have asymmetric trace routing between the differential signal pair. Vias are very inductive and can cause phase delay problems if applied unevenly within a differential pair. Vias should be minimized or avoided if possible by placing all differential traces on the top layer of the PCB. Figure 23 illustrates an incorrect routing of the differential signal from the SiI 164 to the DVI connector. Figure 24 illustrates the correct method to route the differential signal from the SiI 164 to the DVI connector. Figure 25 illustrates recommended routing for differential traces at the DVI connector. TX Figure 23. Example of Incorrect Differential Signal Routing SiI-DS-0021-C 26 SiI 164 PanelLink Transmitter Data Sheet TX Figure 24. Example of Correct Differential Signal Routing 24 17 9 16 8 1 TxCTxC+ Tx0Tx0+ Tx1Tx1+ Tx2Tx2+ Figure 25. Differential Trace Routing to DVI Connector(Top Side View) 27 SiI-DS-0021-C SiI 164 PanelLink Transmitter Data Sheet Package Dimensions Lead Width 0.22mm Lead Length 1.00mm 64-pin Plastic TQFP Package Height 1.15mm max. SiI164CT64 LNNNNN.NLLL YYWW X.XX Body Thickness 1.0 mm Clearance 0.15mm max. Body Size 10.00mm Footprint 12.00mm Figure 26. 64-pin TQFP Package Dimensions (JEDEC code MS-026ED) Ordering Information Part Number: SiI164CT64 SiI-DS-0021-C Footprint 12.00mm Device # Lot # Date Code SiI Rev. # Body Size 10.00mm Lead Pitch 0.50mm 28 SiI 164 PanelLink Transmitter Data Sheet © 2002 Silicon Image. Inc. 04/02 SiI-DS-0021-C Silicon Image, Inc. 1060 E. Arques Avenue Sunnyvale, CA 94085 USA Tel: Fax: E-mail: Web: (408) 616-4000 (408) 830-9530 [email protected] www.siliconimage.com 29 SiI-DS-0021-C