AK7719BECB 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK7719BECB

Low Power DSP for Voice and Audio Processing

Asahi Kasei Microdevices 

■ Handling of Unused Pins

Unused I/O pins must be connected appropriately:

Pin Name

,SDOUT3/GPO, SDOUT4/GP1/STO/RDY,

SDOUT5

SYNC2, BCLK2, SYNC5, BCLK5

SYNC3/JX1, BCLK3/JX0, SDIN3, TEST

SYNC4, BCLK4, SDIN4,

SYNC5, BCLK5, SDIN5,

Setting

Leave Open

Connect to VSS.

[AK7719B]

■ Pin States in Power-down Mode

The table below shows pin states when the PDN pin= “L”.

No.

Pin Name I/O (Note 3) Power Down Pin State

C6

SDOUT1

O

“L” Output

E5

SYNC2

I/O

Input (internal pull-down)

E4

BCLK2

I/O

Input (internal pull-down)

E1

SYNC5

I/O

Input (internal pull-down)

D1

BCLK5

I/O

Input (internal pull-down)

E2

SDOUT2

O

“L” Output

D5

SDOUT3

GP0

O

“L” Output

SDOUT4

D3

GP1

STO

O

“L” Output

RDY

D4

SDOUT5

O

“L” Output

SO

D2

SDA

O

SPI (I2C pin = “L”) “L” Output

I/O

I2C (I2C pin = “H”) Hi-z

Note 3. Indicates the pin attribute.

MS1565-E-00-PB

7

2013/11

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