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AKM AKD7736A-A Manual

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The AKD7736A-A is an evaluation board for the AK7736A that is an audio processor with a 2ch SRC. This
board consists of a main board and a sub board. It is possible to control by a PC via USB port. This board
has digital interfaces enabling to interface with digital audio systems via optical connector, ADC-Port,
DAC-Port and EXT-Port.
■
Ordering guide
AKD7736A-A ---
Read/Write access to PRAM, CRAM, OFFRAM and registers of the AK7736A
Compatible with 2 types of digital audio interface
- Optical input (x1) / Optical output (x1)
- 10-pin header (x2) and 44-pin header (x1) for interface with external data source
USB port for board control
10 Pin Header
CONTROL
Opt In
AK4118A
Opt Out
<KM113102>
AK7736A Evaluation Board Rev.0
GENERAL DESCRIPTION
AK7736A Evaluation board
The AK77XX-HF-CONTROL-BOX, Control software and USB cable are
included in this package.
FUNCTION
FPGA
(XC95288XL)
ADC
DAC
Figure 1. AKD7736A-A Block Diagram
AKD7736A-A
+3.3V
Regulator
1.8V
AK7736A
10 Pin Header
- 1 -
[AKD7736A-A]
GND
EXT
44 Pin Header
2012/12

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Summary of Contents for AKM AKD7736A-A

  • Page 1 GENERAL DESCRIPTION The AKD7736A-A is an evaluation board for the AK7736A that is an audio processor with a 2ch SRC. This board consists of a main board and a sub board. It is possible to control by a PC via USB port. This board has digital interfaces enabling to interface with digital audio systems via optical connector, ADC-Port, DAC-Port and EXT-Port.

  • Page 2: Evaluation Board Diagram

    [AKD7736A-A] Evaluation Board Diagram ■ Board Diagram (10) (11) (12) (14) (13) (18) (17) (16) (15) (19) Figure 2. AKD7736A-A Board Diagram <KM113102> 2012/12 - 2 -...

  • Page 3: Control Port

    [AKD7736A-A] ■ Description Name Function AKD7736A-A-SUB Connector for the AKD7736A-A-SUB board. Interface select Interface selector of the AK7736A. (3-pin header x 13) EXT: EXT port; Xilinx: ADCport, DACport Name AK7736A JP15 SDIN4 JP18 SDIN3 JP11 DI2C SDIN2C JP10 DI2B SDIN2B...

  • Page 4: Dip Switches

    [AKD7736A-A] 5 DIP Switches DIP switches for the AK7736A pin setting (L/H). Name AK7736A TESTI3 TESTI3(6 pin) TESTI1 TESTI1(1 pin) TESTI2 TESTI2(46 pin) JX0(43 pin) I2CSEL(19 pin) (10) VDD Jumper Jumper pin for VDD power supply of the AK7736A. JP6 (2-pin header) Open: Supply from the VDD test pin Short: +3.3V...

  • Page 5: Evaluation Board Manual

    [AKD7736A-A] Evaluation Board Manual ■ Operation Sequence (1) Set up the power supply lines. [The jumper pins should be set as following] TVDD P-DVDD PIC-VDD-SEL (Short) 3.3V 1.8V (Short) (Short) Set up the power supply lines. Name Color Voltage Comment Attention +3.3V...
  • Page 6 [AKD7736A-A] (1) Digital-to-Digital Evaluation using ADC Port and DAC Port: CKM Master Mode = 0/1 ADC-Port and DAC-Port are used on this evaluation. Set the clock mode of the AK7736A to CKM Master Mode 0 (12.288MHz) or CKM Master Mode 1 (18.432MHz). The AK7736A outputs BICK and LRCK to the ADC-Port and DAC-Port by setting the FPGA.
  • Page 7 The AKD7736A-A can be controlled by a PC via USB port. Connect the CONTROL-BOX included in this package to the AKD7736A-A with a 10-pin flat cable, and connect the CONTROL-BOX to a PC with a USB cable. The 10-pin flat cable should be connected in the direction that the side with a bump meets a marking, that says “CONTROL”, on the main board of the AKD7736A-A.
  • Page 8 [AKD7736A-A] ■ Jumper Pin and Switch Setting <Main board> Jumper / Switch Setting (Default) Note AK4118A Clock Source SW1 (AK4118A “TX-CLK” “XTL”: Crystal Clock Clock) “TX-CLK”: External Clock S1(AK4118A Setting) 1->7=LHLLLHH Refer to “AK4118A Setting” S2(AK7736A Setting) 1->5=LLLLL Refer to (9) in Table 1...
  • Page 9 [AKD7736A-A] <AK4118A Setting> OCKS1 OCKS0 MCKO1 MCKO2 X’tal Fs(max) 256fs 256fs 96kHz default 256fs 256fs 96kHz 512fs 512fs 48kHz 128fs 128fs 192kHz Table 7. AK4118A-OCKS[1:0] Clock MCKO1 MCKO2 SDTO source X’tal X’tal X’tal DAUX default X’tal X’tal X’tal DAUX Table 8. AK4118A-CM[1:0]...
  • Page 10 [AKD7736A-A] ■ Digital Input Circuit (External DIR: PORT1) Figure 3. Digital Input Circuit For digital input SPDIF-IN, optical connector PORT1 is available. ■ Digital Output Circuit (External DIT: PORT2) Figure 4. Digital Output Circuit For digital output SPDIF-OUT, optical connector PORT2 is available.

  • Page 11: Operation Flow

    (1) Set up the AKD7736A-A as needed, according to the previous terms. (2) Connect the AKD7736A-A to a PC via the CONTROL BOX with a 10-pin flat cable on the evaluation board side and a USB cable on the PC side. After power on the evaluation board, press the reset button (yellow) of the CONTROL BOX to initialize the USB chip.
  • Page 12 [AKD7736A-A] ■ Operation Screen (1) Main Window Figure 5. Startup Screen Program download, register setting, FPGA setting and script processing are executed by this control software. These controls may be selected by the upper tabs. Frequently used buttons, such as register initializing and control buttons are located outside of the switching tab window.
  • Page 13 [AKD7736A-A] (2) Download Figure 6. [Download] Dialogue Click each [refer] button next to the Source, Program, CRAM or OFREG column to select a file, or drag and drop a file to the each column. CRAM file or OFREG file can be selected and be written to CRAM or OFREG by clicking the [refer] button of CRAM write@operation column or OFREG write@operation column when the system is running.
  • Page 14 [AKD7736A-A] (3) Register Set up Figure 7. [REG1] Dialogue Tab dialogues of REG1/REG2/REG3/REG4 are used to set registers. (TEST and Reserved items are prohibited to change.) As the checkbox is clicked, the data is written to the register. Release the reset state after setting CKM mode since SRESET and CKRST are on by CKM mode setting.
  • Page 15 [AKD7736A-A] (4) FPGA Set up Figure 8. [FPGA1] Dialogue The FPGA1/FPGA2 dialogues are used to control the data path of the AK7736A. FPGA Setting Table: (The default setting is shown in bold.) <KM113102> 2012/12 - 15 -...
  • Page 16 [AKD7736A-A] Function Description D[47:36] Reserved D[35:34] EXT-XTI Input data source to the XTI pin of the AK7736A in Slave mode. SEL20 00: AK4118A-RX-CLK 01: ADC-MCLK 10: Low 11: Low D[33] BICK1/LRCK1 In/Out setting of the BITCLK1/LRCLK1 pin of the AK7736A.
  • Page 17 [AKD7736A-A] D[14:13] SDIN4 Input data source to the SDIN4 pin of the AK7736A. SEL9 00: AK4118A 01: ADC-SDTO1 10: ADC-SDTO2 11: Low D[12:11] CAD[1:0] The CAD pin setting of the AK7736A. SEL8 00: Low,Low 01: Low,High 10: High,Low 11: High,High...
  • Page 18 [AKD7736A-A] (5) Script Figure 9. [SCRIPT] Dialogue As a script file is selected, the program is executed automatically. By clicking the [Repeat] button, the selected script file will be executed once again. The script commands are listed below. Command Description [SCRIPT] Header of script file.

  • Page 19: Revision History

    AKM harmless from any and all claims arising from the use of said product in the absence of such notification.
  • Page 20 X-CTRL-RESET CTRL-RESET X-CTRL-HOST CTRL-HOST X-CTRL-SO CTRL-SO X-CTRL-XCS/SDA CTRL-XCS/SDA POWER XILINX CONTROL Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012 Friday, December 07, 2012...

  • Page 21: Silk-Screen

    DVSS DIP-4118A-DIF0 DIF0 DVDD-3.3V DIP-4118A-OCKS1 OCKS1 DIP-4118A-OCKS0 OCKS0 DIP-4118A-CM1 BLACK DIP-4118A-CM0 100uF/16V(A) SW DIP-7 Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number AK4118A AK4118A AK4118A Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012...
  • Page 22 DSP-SDOUT4 48pin_2 48pin_1 DSP-TESTI1 DSP-SDOUT2B TVDD DSP-SDOUT1 DSP-XTI DSP-SDIN1 DSP-LRCLK1 DSP-SDIN2B DSP-BITCLK1 DSP-TESTI3 Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number AK7736A AK7736A AK7736A Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012...
  • Page 23 DVSS BLACK DVDD-3.3V DIP-I2C P-TVDD DIP-JX0 TESTI2 DIP-TESTI2 DIP-TESTI1 TESTI1 DIP-TESTI3 TESTI3 SW DIP-5 Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number CONTROL CONTROL CONTROL Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012...
  • Page 24 ADC-LRCK DAC-SDTI1 SDOUT2A or 2B ADC-SDTO1 DAC-SDTI2 EXT-SDOUT4 EXT-SDOUT3 ADC-SDTO2 HEADER 5X2 HEADER 5X2 Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012...
  • Page 25 P-TVDD C20 0.1uF C21 0.1uF VCCA VCCB LS-X-SDIN1 LS-SDIN1 LS-X-SDIN2B LS-SDIN2B DVDD-3.3V SN74AVCH2T45DCU A → B Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT Date: Date: Date:...
  • Page 26 BLACK P-DVDD open : P-DVDD = P-DVDDテストピン入力 short : P-DVDD = 3.3V ORANGE DVDD-3.3V P-DVDD 10uH(500mA) default short 10uF 0.1uF Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number POWER POWER POWER Date: Date:...
  • Page 27 JP20 SEL-EXT-SDIN3 SEL-EXT-BITCLKI3 SEL-EXT-LRCLKI3 SEL-SDIN3 SEL-BITCLKI3 SEL-LRCLKI3 SEL-X-SDIN3 SEL-X-BITCLKI3 SEL-X-LRCLKI3 SDI3-SEL BIT3-SEL LR3-SEL Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number SELECTOR SELECTOR SELECTOR Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012...
  • Page 28 IO5-2 X-CLKO JTAG DVSS JP21 TP13 DVDD-3.3V BLACK 100uF/16V(A) 10: VDD HEADER 5X2 DVDD-3.3V 0.1uF Title Title Title AKD7736A-A-MAIN AKD7736A-A-MAIN AKD7736A-A-MAIN Size Size Size Document Number Document Number Document Number XILINX XILINX XILINX Date: Date: Date: Friday, December 07, 2012...
  • Page 29 LRCLK1 TP39 TP40 TP41 TP42 TP43 TP44 TESTI1 SDOUT1 SDIN2B BITCLK1 TVDD 48pin_1 Title Title Title AKD7736A-A-SUB AKD7736A-A-SUB AKD7736A-A-SUB Size Size Size Document Number Document Number Document Number AK7736A AK7736A AK7736A Date: Date: Date: Friday, December 07, 2012 Friday, December 07, 2012...