AT73C209-EK2 Evaluatuion Kit .................................................................................................................... User Guide 6380A–PMAAC–19-Mar-08 1-2 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Section 1 Introduction Congratulations on your purchase of the AT73C209-EK2. It is designed to give designers a quick start to evaluate the power management capability of the AT73C209 as well as for prototyping and testing of new designs. 1.1 Scope This document describes the AT73C209-EK2 dedicated to products based on the 56H10 core. This board is designed to allow an easy evaluation of the products using demonstration software. To increase its demonstration capabilities, this standalone board has several serial interfaces (Parallel Port and Two-wire Interface). This user guide acts as a general getting started guide as well as a complete technical reference for advanced users. This document refers to the AT73C209 datasheet, lit° 6365, available at www.atmel.com. Typical Applications 1.2 Portable Music Players CD Players Handheld GPS AT73C209-EK2 Features The AT73C209-EK2 provides the following features: Power supply: – Transformer – External battery connection – USB Serial interfaces: – Parallel port, male type (converted to SPI) On-board resources: – Programable digital step-up DC/DC converter – 2 programable LDOs – Reset Generator – Programable Stereo Audio DAC (16-bits, 18-bits or 20-bits) – 93 dB SNR Playback Stereo Channels AT73C209-EK2 Evaluatuion Kit User Guide 1-1 6380A–PMAAC–19-Mar-08 Introduction – 32-Ohm/20 mW Stereo Headset Drivers with master volume and mute controls, – Stereo Line Level input with volume control/mute and playback through the headset driver – Microphone Preamplifier – Stereo, Mono and reverse Stereo mixer, On-board buttons: – Power On – SPDIF to I2S converter reset 1.3 Deliverables AT73C209-EK2 package contains the following items: An AT73C209-EK2 board One CD-ROM containing product’s software, user guide and a full data sheet. 1-2 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Introduction Figure 1-1. AT73C209-EK2 Top View USB/Transformer Power Selection USB Battery GND AT73C209 On/Off Switch Transformer Plug 5.5V to 9V Load Jumpers Load Pad GND Output Voltages Optical Parallel Port Toslink Plug SPDIF Reset Microphone Output Measuring and Mixing Communication Jumpers Headset Connector Microphone Connector Line In Left Line In Right AT73C209 is located in the center of the AT73C209-EK2 on the Components Side. AT73C209-EK2 Evaluatuion Kit User Guide 1-3 6380A–PMAAC–19-Mar-08 Introduction Figure 1-2. AT73C209-EK2 Components Side AT73C209-EK2 BATs O O GND ff BATTERY GND n USB VBOOST LX A B P3 R VANA FB LOAD 1 1 FB B A VBG VANA VBOOST GND ITB DIN SDIN CLK CSB A B BCLK MCLK LRFS A B A B A B Reset SPDIF VREF 25 MIC OUT LINEL HSL 1-4 6380A–PMAAC–19-Mar-08 HSR B B A A 25 DOUT LINER MIC IN AT73C209-EK2 Evaluatuion Kit User Guide Section 2 Starting Up the AT73C209-EK2 Board 2.1 Electrostatic Warning The AT73C209-EK2 evaluation board is shipped in protective anti-static packaging. The board must not be subjected to high electrostatic potentials. A grounding strap or similar protective device should be connected when handling the board. Avoid touching the components, pins or any metallic element. 2.2 Requirements In order to set up the AT73C209-EK2 evaluation board the following items are needed: The AT73C209-EK2evaluation board itself. An output DC power source: – Transformer 5.5V to 9V DC max (minimum 500 mA is required if selected as a source) – External power supplies [see Table 3-2 for voltages ranges] – Battery and/or USB 2.3 PC System Requirements For a correct operation of the AT73C209-EK2 evaluation board, the minimum hardware and software PC requirements are: Intel Pentium II processor 64 MB RAM 70 MB free hard disk space (for AT73C209 Evaluation board software installation) Windows® 95/98/2000/ME/XP and Windows NT® 4.0 or higher (For Win 2000/XP/NT DLPORTIO.EXE must be installed) Parallel port (COM port) AT73C209-EK2 Evaluatuion Kit User Guide 2-1 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board 2.4 Instructions 2.4.0.1 To Start the AT73C209-EK2 Evaluation Board If the PC runs with Windows NT, 2000 install «DLPORTIO.exe». To install AT73C209-EK2 Test Interface , go to «Installer» folder of CD provided with evaluation kit, and double click on «setup.exe». Configure the on-board jumpers as in the relevant paragraphs: 1. Section 2.6 on page 2-4 2. Section 2.7 on page 2-7 3. Section 2.8 on page 2-8, 4. Section 2.9 on page 2-11, 2.4.0.2 Connect the transformer. Connect parallel port. Connect Input and Output devices. To launch the software AT73C209 Test interface, click on AT73C209.exe. To Turn Off the AT73C209-EK2 Evaluation Board 2-2 6380A–PMAAC–19-Mar-08 Disconnect the chosen power supply. AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board 2.5 Block Diagram Figure 2-1. AT73C209-EK2 Block Diagram AT73C209 USB DC-DC VBOOST Battery Optical Input Optical to Digital Converter LDO1 I²S LDO2 VANA Reset Generator Interrupt RCA Input R Right Headset RCA Input L Left Headset Amplified Microphone Microphone Parallel Port AT73C209-EK2 Evaluatuion Kit User Guide Level Shifter SPI 2-3 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board 2.6 Power Supply The AT73C209-EK2 is supplied with the following voltage sources: Figure 2-2. Power supply diagram AT73C209 G1 IN Battery P1 On/Off I1 J26 USB P5 USB U1 1 Level Shifter J18 Transformer 5.5V to 9V U7 5V Regulator Level Shifter U7 3.3V Regulator 2.6.1 Transformer Table 2-1. Transformer Supply Voltage Power supply source Min Max Unit Transformer 5.5 9 V The power supply voltage is regulated with on board circuitry. Input voltage on this connector should be included between 5.5V and 9V. Note: Figure 2-3. This power supply input is NOT protected against polarization inversion. Transformer Connector J18 Transformer Input 2-4 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board 2.6.2 External Power Supply The AT73C209 is supplied by external power. This can be a USB source, a Disposable Battery or a Transformer. There are two ways to power up the AT73C209: 1. USB and Battery 2. Battery and Transformer (Table 2-2 details the optional input items.) Table 2-2. Optional Supply Sources Voltage Characteristics 2.6.2.1 Power Supply Source Min Max Unit USB 4.35 5.5 V “Disposable” Battery AA or AAA size 0.9 1.8 V Transformer 5.5 9 V USB Setup In order to connect the USB power supply, do the following: 1. Connect the USB (+) to the USB pad and USB (GND) to GND pad. 2. Close J26 pins 2 & 3. 3. In this case the position of the On/Off switch has no meaning. Operating the AT73C209 with a USB USB n O 1 BATTERY P7 P6 GND GND P2 BATs ff P5 J26 USB Not in use GND O Figure 2-4. A LX B 2.6.2.2 Battery Setup In order to connect the battery, do the following: 1. Connect the Battery (+) to the Battery pad and Battery (-) to GND pad. 2. Close G1 pads (See Section 2.10.1 ”Configuration Pads” on page 2-15). 3. Switch J1, in the correct position, to power the AT73C209. AT73C209-EK2 Evaluatuion Kit User Guide 2-5 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board Operating the AT73C209 with a Battery Battery On/Off P1 USB P7 P6 GND GND P2 G1 BATs O O n BATTERY Not in use GND ff Figure 2-5. A LX B FB 2.6.2.3 Transformer Setup In order to connect to the transformer, do the following: 1. Close J26 pins 1 & 2 with a jumper. 2. Connect the Transformer to J18. 3. In this case the position of the On/Off switch has no meaning. Figure 2-6. Operating the AT73C209 with a Transformer Transformer Connector J18 J26 USB 1 • Ground Setup P3 connector provides a possibility to separate the digital ground from the analog ground. By default the evaluation card is supplied with both grounds connected. Figure 2-7. Digital and Analog Ground Connection P3 USB 2-6 6380A–PMAAC–19-Mar-08 1 1 P3 VBG AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board 2.7 Communication Interfaces 2.7.1 AT73C209-EK2 SPI This board enables control of the AT73C209 via the SPI through the parallel port (J23). If the user wants to program the AT73C209 with an external host, J15, J19 can be removed and the AT73C209 driven directly. The SPI Communication protocol is described in the AT73C209 data sheet. In any case, using the SPI interface requires that a transformer be connected to J18. Figure 2-8. AT73C209 SPI Configuration (J15, J19) 1 1 J23 VBG ITB 1 2 DIN Parallel Port CLK CSB J15 J19 Note: 25 25 DOUT For soldering instructions, see Section 2.10.1 ”Configuration Pads” on page 2-15 AT73C209-EK2 Evaluatuion Kit User Guide 2-7 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board 2.8 On-Board Input Signal On the AT73C209-EK2 there are several optional input signals. These inputs can be all driven or mixed directly trough the internal amplifier. 2.8.1 Optical to Digital Converter (ODC) The Optical to Digital Converter allows the user to connect an optical input line (J16) to the AT73C209 without any other necessary components (The plug type is Toslink). 2.8.1.1 ODC Set-Up In order to connect the ODC with the I2S of the AT73C209, close G3, G4, G5 and G6 as shown in the following figure. Figure 2-9. Optical to Digital Converter FB VANA VBOOST GND J16 SDIN Parallel Port A B BCLK MCLK LRFS A B A B A B Reset SPDIF I2 SPDIF Reset SPDIF to I²S Converter U5 B 2.8.1.2 B A A Note: Signals For soldering instructions, see Section 2.10.1 ”Configuration Pads” on page 2-15 External Oscillator Configuration - Output Select The external oscillator provides the sampling frequency for the Optical-to-I2S converter. Two on-board configuration pads are available for configuring the 12.288 MHz oscillator (U6). G7 pads provide Original Output Frequency (Frequency = 12.288 MHz) or Divided Output Frequency. The divider is configured as (Frequency/2 = 6,144MHz). G8 pads provide On/Off selection. When the oscillator is off, the output goes to high impedance state. Table 2-3. G7 and G8 - Oscillator Configuration Pads Pins 1&2 Original frequency 2-8 G7 Divided frequency G7 Oscillator on G8 Oscillator off 6380A–PMAAC–19-Mar-08 Pins 2&3 G8 AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board Figure 2-10. Original Frequency Output (Oscillator is “ON“) BCLK MCLK LRFS A B A B A B A B Reset SPDIF I2 G8 G7 G7 B B A A G8 12 3 32 1 LINER Figure 2-11. Divided Frequency Output (Oscillator is “ON“) BCLK MCLK LRFS A B A B A B A B Reset SPDIF I2 G8 G7 G7 B B A A G8 12 3 32 1 LINER Figure 2-12. Oscillator is “ON“ BCLK MCLK LRFS A B A B A B A B Reset SPDIF I2 G8 B B A A G8 12 3 LINER Figure 2-13. Oscillator is “OFF“ BCLK MCLK LRFS A B A B A B A B Reset SPDIF I2 G8 B B A A G8 12 3 LINER AT73C209-EK2 Evaluatuion Kit User Guide 2-9 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board 2.8.2 RCA Inputs The RCA type input connectors on the AT73C209-EK2 (J4 & J5) are connected directly to the amplifier’s input. Connect J4 to left input signal. Connect J5 to right input signal. The line-in/microphone amplifier has an input range of 70 mVrms at maximum gain. Figure 2-14. RCA Connectors (J4 & J5) LINEL LINER MIC IN J4 J5 Left Input Right Input 2.8.3 Microphone Input The Microphone input on the AT73C209-EK2 (J7) is a 3.5 mm mono connector. Figure 2-15. Microphone Input Connector (J7) LINEL HSR MIC IN J7 Microphone Input 2.8.3.1 Microphone Output Measurement The microphone input is driven directly by the AT73C209-EK2. The microphone output from the amplifier can be measured, or used in other applications, by connecting a probe to J28 pin N°2. 2-10 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board Figure 2-16. Microphone Output Measuring Connector (J28) DOUT 2 MIC OUT LINEL HSR B B A J28 Pin N˚2 A 1 J28 LINER MIC IN J7 Microphone Input 2.8.3.2 Mixing and Amplifying the Microphone In order to connect to the microphone input and be able to mix and amplify it, close the connectors J27 and J28 with a jumper. Figure 2-17. Apply Microphone Mixing and Amplifying DOUT MIC OUT J28 LINEL HSR B B A J27 A J28 J27 LINER MIC IN J7 Microphone Input 2.9 On-Board Outputs Signals 2.9.1 Headset The Headset output can be connected with a 3.5 mm connector to J6. The output impedance is 16 Ohms, 32 Ohms or 10K Ohms. AT73C209-EK2 Evaluatuion Kit User Guide 2-11 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board Figure 2-18. Headset Connector (J6) HSL HSR J6 Headset Connector 2.9.2 Generated Reset The AT73C209 supports peripheral reset by connecting it to RSTB output. Figure 2-19. Generated Reset (J13) FB SDIN VANA VBOOST GND J13 J13 A B BCLK MCLK LRFS A B A B A B Reset SPDIF 2.9.3 Interrupt The AT73C209 supports peripheral interrupt by connecting it to ITB output. Figure 2-20. Output Interrupt (J14) J14 BATTERY GND O n USB VBG ITB J14 DIN CLK CSB 2.9.4 Load Current Measurement All three output voltages and current generated by the AT73C209-EK2, can be measured by dedicated connectors. 2-12 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board 2.9.4.1 FB/VBOOST Feed The FB/VBOOST feed (G2) is connected by default. Figure 2-21. FB/VBOOST Feed (G2) G2 2.9.4.2 Voltage Measuring In order to measure the output voltages, connect a probe to J25. (see Figure 2-22 for J25 location) Pin N°1 - VBOOST. Pin N°2 - VANA. Pin N°3 - VFB. Figure 2-22. Output Voltages Test Connector (J25) VBOOST VANA FB LOAD J25 3 2 1 FB VANA VBOOST GND GND J25 J13 Table 2-4. Voltage Ranges Specification Symbol Units Min Typ Max FB (DC-DC) 2.7 ----- 3.3 V VBOOST (LDO1) 2.7 ----- 3.5 V VANA (LDO2) 2.4 ----- 3 V AT73C209-EK2 Evaluatuion Kit User Guide 2-13 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board 2.9.4.3 Current Measuring In order to measure the output current: Connect an Ampermeter and a load resistor in serial to load pad (P4) and close with a jumper, the voltage output that you wish to measure (in J24). (see Figure 2-23 for P4 and J24 locations). Close pins N° 1 & 2 on J24 for VBOOST. Close pins N° 3 & 4 on J24 for VANA. Close pins N° 5 & 6 on J24 for VFB. Figure 2-23. Current Measurement Set-Up LX J24 2 VBOOST 1 3 VANA FB 5 LOAD FB P4 A J24 RLOAD VANA VBOOST GND 2-14 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Starting Up the AT73C209-EK2 Board 2.10 General Configuration 2.10.1 Configuration Pads A configuration pad configures the AT73C209-EK2 Evaluation Board for custom application. The configuration is programmable by soldering a specific part of the configuration pad. To return to the initial configuration, the customer has to solder a short jumper. Figure 2-24. Configuration Pads Connected Solder Not connected No solder Figure 2-25. Configuration Pads with 2 Options Connected Solder Not connected No solder 2.10.1.1 Measurement Probing Any measurement shall be done with a closed configuration pad. Figure 2-26. Voltage Probing Voltage Probe Connected Solder AT73C209-EK2 Evaluatuion Kit User Guide 2-15 6380A–PMAAC–19-Mar-08 Starting Up the AT73C209-EK2 Board Figure 2-27. Current Probing A Not connected No solder 2-16 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Evaluatuion Kit User Guide Section 3 AT73C209-EK2 Software Interface 3.1 Software Panel Figure 3-1. Software Panel - General Propose Page Master clock select DAC functionality Line in control DAC master out DAC line out Headset level control Programe exit I²S data format I²S data lenght DAC reset Optical to I²S enable Mixer control AT73C209-EK2 Evaluatuion Kit User Guide Mixing type selector VANA voltage control VBoost voltage control Input/Output select 3-1 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Software Interface Figure 3-2. Software Panel - Registers Page Write command Read command 3-2 6380A–PMAAC–19-Mar-08 Write content Read content Address line AT73C209-EK2 Evaluatuion Kit User Guide Section 4 Technical Specifications System Unit – Physical Dimensions................................................................................ L=100 x W=100 x H=27 mm – Weight................................................................................................................................................70 g Operating Conditions – Voltage Supply...........................................................................................................................5.5V - 9V Connections – Parallel Port Connector......................................................................................................SubD25 male AT73C209-EK2 Evaluatuion Kit User Guide 4-1 6380A–PMAAC–19-Mar-08 Section 5 PCB Layout Figure 5-1. Note: Layer 1 - Components Layer Size not to be scaled. AT73C209-EK2 Evaluatuion Kit User Guide 5-1 6380A–PMAAC–19-Mar-08 PCB Layout Figure 5-2. Note: 5-2 6380A–PMAAC–19-Mar-08 Layer 2 - Solder Layer Size not to be scaled. AT73C209-EK2 Evaluatuion Kit User Guide Section 6 Schematics Figure 6-1. AT73C209-EK2 Main Schematics Page AT73C209-EK2 Evaluatuion Kit User Guide 6-1 6380A–PMAAC–19-Mar-08 Schematics Figure 6-2. 6-2 6380A–PMAAC–19-Mar-08 AT73C209-EK2 Level Shifter AT73C209-EK2 Evaluatuion Kit User Guide Schematics Figure 6-3. AT73C209-EK2 S/PDIF Interface AT73C209-EK2 Evaluatuion Kit User Guide 6-3 6380A–PMAAC–19-Mar-08 Section 7 Revision History 7.1 Revision History Table 7-1. Revision History Document Comments 6380A First issue AT73C209-EK2 Evaluatuion Kit User Guide Change Request Ref. 7-1 6380A–PMAAC–19-Mar-08 Table of Contents Section 1 Introduction................................................................................................................. 1-1 1.1 Scope................................................................................................................................. 1-1 1.2 AT73C209-EK2 Features................................................................................................... 1-1 1.3 Deliverables ....................................................................................................................... 1-2 Section 2 Starting Up the AT73C209-EK2 Board....................................................................... 2-1 2.1 Electrostatic Warning ......................................................................................................... 2-1 2.2 Requirements..................................................................................................................... 2-1 2.3 PC System Requirements.................................................................................................. 2-1 2.4 Instructions......................................................................................................................... 2-2 2.5 Block Diagram.................................................................................................................... 2-3 2.6 Power Supply..................................................................................................................... 2-4 2.7 2.6.1 Transformer ......................................................................................................... 2-4 2.6.2 External Power Supply ........................................................................................ 2-5 Communication Interfaces ................................................................................................. 2-7 2.7.1 2.8 2.9 AT73C209-EK2 SPI............................................................................................. 2-7 On-Board Input Signal ....................................................................................................... 2-8 2.8.1 Optical to Digital Converter (ODC) ...................................................................... 2-8 2.8.2 RCA Inputs ........................................................................................................ 2-10 2.8.3 Microphone Input ............................................................................................... 2-10 On-Board Outputs Signals ............................................................................................... 2-11 2.9.1 Headset ............................................................................................................. 2-11 2.9.2 Generated Reset ............................................................................................... 2-12 2.9.3 Interrupt ............................................................................................................. 2-12 2.9.4 Load Current Measurement............................................................................... 2-12 2.10 General Configuration...................................................................................................... 2-15 2.10.1 Configuration Pads ............................................................................................ 2-15 Section 3 AT73C209-EK2 Software Interface ............................................................................ 3-1 3.1 Software Panel................................................................................................................... 3-1 Section 4 Technical Specifications............................................................................................. 4-1 AT73C209-EK2 Evaluatuion Kit User Guide i 6380A–PMAAC–19-Mar-08 Table of Contents (Continued) Section 5 PCB Layout ................................................................................................................ 5-1 Section 6 Schematics................................................................................................................. 6-1 Section 7 Revision History ......................................................................................................... 7-1 7.1 ii 6380A–PMAAC–19-Mar-08 Revision History ................................................................................................................. 7-1 AT73C209-EK2 Evaluatuion Kit User Guide Headquarters International Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Atmel Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel: (852) 2721-9778 Fax: (852) 2722-1369 Atmel Europe Le 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