AK7758VN Datasheet, PDF (10/32 Pages) Asahi Kasei Microsystems – DSP with Stereo CODEC + Mic/Lineout Amp

[AK7758]
5.3. Handling of Unused Pin
The unused I/O pins must be processed appropriately as below.
Classification Pin Name
Setting
Analog LIN, IN1/INP1, IN2/INN1, IN3/INP2, IN4/INN2, OUT1, OUT3, OUT2
Open
BICK, LRCK, SDOUT1/MAT0/JX2, SDOUT3/MAT1/JX3, XTO, XTI
SDOUT2/EEST, RDY/GP0/SDIN3, STO/GP1/SDOUT4, DMDAT,
Open
Digital DMCLK
SDIN1/JX0, SDIN2/JX1
Connect to
DVSS
Table 1. Handling of Unused Pin
Note 4. It is recommended to connect the LRCK pin or the BICK pin to DVSS. However, it is no problem
to be open since they are internally pulled-down pin.
5.4. Relationship between Power Supplies and Digital Pins
Power Supply
AVDD
TVDD1
TVDD2
LVDD
Digital Pins
DMDAT, DMCLK
I2CSEL, BICK, LRCK, SDOUT1/MAT0/JX2, SDIN1/JX0, SDOUT3/MAT1/JX3
CSN/CAD/MATSEL, SI/EXTEEP, SCLK/SCL, SO/SDA, STO/GP1/SDOUT4,
RDY/GP0/SDIN3, SDOUT2/EEST, SDIN2/JX1, PDN
XTO, XTI, LDOE
Table 2. Relationship between Power Supplies and Digital Pins
016003563-E-02-PB
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2016/09