AK7736BVQ Datasheet, PDF (7/22 Pages) HuaXinAn Electronics CO.,LTD – Audio/HF DSP

[AK7736B]
30 CSN
I Microprocessor Interface Request N Pin (I2CSEL pin= “L”)
Microprocessor
Set this pin to “H” when not interfacing to a microprocessor or during ^Interface
power-down.
CAD1
I I²CBUS Address Pin 1 (I2CSEL pin= “H”)
I²C
31 SI
I Serial Data Input Pin for Microprocessor Interface
Microprocessor
CAD0
Set this pin to “L” when not using.
I I²C BUS Address Pin 0 (I2CSEL pin= “H”)
Interface
I²C
32 SDA
O Control Data Input /Output Pin (I2CSEL pin= “L”)
Open
“Hi-Z” Output. This pin must be open when the I2CSEL pin = “L”.
I/O Control Data Input /Output Pin (I2CSEL pin= “H”)
I²C
SDA: I²C BUS Interface
33 SCLK
SCL
I Control Data Clock Pin for Microprocessor Interface (I2CSEL pin = “L”) Microprocessor
Set this pin to “H” when no clock is input.
Interface
I Control Data Clock Pin (I2CSEL pin= “H”)
I²C
SCL: I²C BUS Interface
34 VDD
- Power Supply Pin 3.0 to 3.6V (typ. 3.3V)
Power Supply
35 VSS
- Ground Pin 0V
36 AVDRV
AVDRV pin
Analog Output
Connect a 1F capacitor between this pin and the VSS pin (No. 35).
No external circuits should be connected to this pin.
37 SDIN3 I Serial Data3 Input Pin
Serial Data
38 VSS
- Ground Pin 0V
Power Supply
39 VDD
- Power Supply Pin 3.0 to 3.6V (typ. 3.3V)
40
BITCLKI
3
I
Serial Bit Clock Input Pin 3 (for SRC)
System Clock
41 LRCLKI3 I LR Channel Select Clock Pin 3 (for SRC)
42 SDIN2C I Serial Data2 C Input Pin
Serial Data
43 JX0
I External Conditional Jump Pin 0
Conditional
Input
44 EXPDN O Power Down Signal Output Pin
Power Down
45 VDD
- Power Supply Pin 3.0 to 3.6V (typ. 3.3V)
Power Supply
46 ^TESTI2
I Test Pin (internal pull-down)
This pin must be connected to VSS.
Test
47 VSS
- Ground Pin 0V
Power Supply
48 ^LFLT
O PLL RC Component Connect Pin
Connect C=12nF between this pin and No.47 (VSS) pin.
Analog Output
Note 1. All digital input pins must not be allowed to float
Note 2. The I2CSEL pin must be fixed to “L” (VSS) or “H” (TVDD).
■ Handling of Unused Pin
Unused I/O pins must be connected appropriately:
Pin Name
Setting
Output Pins
Leave Open
Input/Output Pins
SDA
LRCLK1
BITCLK1
Leave Open
Connect to VSS
Connect to VSS
Input Pins
Connect to VSS
MS1562-E-00-PB
-7-
2013/10