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Pin description – Cirrus Logic CS43122 User Manual

Page 15

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CS43122

15

4.

PIN DESCRIPTION

RST

1

Reset

(

Input) -

The device enters a low power mode and all internal state machines

registers are reset when low. When high, the device will be in a normal operation
mode.

DGND

6, 9

Digital Ground

(

Input) -

Digital ground reference.

VD

7, 8

Digital Power

(

Input) -

Digital power supply. Typically 3.0 to 5.0 VDC.

1
2
3
4
5
6
7
8
9
10
11
12

5

1
2

6

28
27
26
25
24
23
22
21
20
19
18
17

13
14

16
15

Reset

RST

VREF

Voltage Reference

See Description

M4(AD0/CS)

FILT+

Reference Filter

See Description

M3(AD1/CDIN)

FILT-

Reference Ground

See Description

M2(SCL/CCLK)

CMOUT

Common ModeS Voltage

See Description M0(SDA/CDOUT)

AOUTL-

Differential Output

Digital Ground

DGND

AOUTL+

Differential Output

Digital Power

VD

VA

Analog Power

Digital Power

VD

AGND

Analog Ground

Digital Ground

DGND

AOUTR+

Differential Output

Master Clock

MCLK

AOUTR-

Differential Output

Serial Clock

SCLK

AGND

Analog Ground

Left/Right Clock

LRCK

MUTEC

Mute Control

Serial Data

SDATA

C/H

Control port/Hardware select

See Description

M1

MUTE

Soft Mute