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AK7738 Datasheet(PDF) 10 Page - Asahi Kasei Microsystems

Part # AK7738
Description  Multi DSP with 5ch ADC 4ch DAC 8ch SRC
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK7738 Datasheet(HTML) 10 Page - Asahi Kasei Microsystems

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[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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