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AK7738 Datasheet(PDF) 10 Page - Asahi Kasei Microsystems |
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AK7738 Datasheet(HTML) 10 Page - Asahi Kasei Microsystems |
10 / 42 page [AK7738] 015000122-E-00-PB 2015/01 - 10 - No. Pin Name I/O Function 24 SDIN3 I Serial Data Input 3 Pin JX1 I External Conditional Jump Input 1 Pin 25 SDIN4 I Serial Data Input 4 Pin 26 LRCK3 I/O LR Channel Select Clock 3 Pin JX2 I External Conditional Jump Input 2 Pin 27 BICK3 I/O Serial Bit Clock 3 Pin JX3 I External Conditional Jump Input 3 Pin 28 LRCK4 I/O LR Channel Select Clock 4 Pin 29 BICK4 I/O Serial Bit Clock 4 Pin 30 TVDD2 - Digital I/F Power Supply 2 Pin 1.7~3.6V (typ.3.3V) 31 DVSS2 - Digital Ground 2 Pin 0V (Substrate potential) 32 SDOUT3 O Serial Data Output 3 Pin GPO1 O DSP Programmable Output 1 Pin (GPO1 Output of DSP1) 33 STO O Status Output Pin This pin outputs “L” during power-down state. RDY O RDY Signal Output Pin SDOUT4 O Serial Data Output 4 Pin 34 CSN I SPI Mode SPI I/F Chip Select N Pin During power-down state or when μP I/F are not in use, leave this pin “H” level. I I 2C Mode I 2C I/F Chip Address N Pin This pin must be pulled up or pulled down. 35 SO O Serial Data Output Pin for SPI I/F This pin outputs “Hi-Z” during power-down state. SDA I/O Serial Data In/Output Pin for I 2C I/F This pin outputs “Hi-Z” during power-down state. 36 SCLK I Serial Data Clock Input Pin for SPI I/F SCL I Serial Data Clock Input Pin for I 2C I/F 37 SI I Serial Data Input Pin for SPI I/F I2CFIL I I 2C I/F Mode Select Input Pin I2CFIL = “L”: Fast Mode (400kHz) I2CFIL = “H”: Fast Mode Plus (1MHz) (should be fixed to TVDD2) 38 PDN I Power-down N Pin Use this pin to power down the AK7738. The PDN pin should be held “L” when power is supplied. 39 AVDRV O LDO Output Pin Connect a 2.2uF ceramic capacitor between this pin and DVSS3. Do not connect this pin to an external circuit. 40 LVDD - Digital Core Power Supply Pin 3.0~3.6V (typ.3.3V) 41 DVSS3 - Digital Ground 3 Pin 0V (Substrate potential) |
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