CS42516 datasheet(17/90 Pages) CIRRUS

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DS583F1

CS42516

2. PIN DESCRIPTIONS

Pin Name

Pin Description

CX_SDIN1

CX_SDIN2

CX_SDIN3

Codec Serial Audio Data Input

(Input) - Input for two’s complement serial audio data.

CX_SCLK

CODEC Serial Clock (Input/Output)

- Serial clock for the CODEC serial audio interface.

CX_LRCK

CODEC Left Right Clock

(Input/Output) - Determines which channel, Left or Right, is currently active on

the CODEC serial audio data line.

Digital Power

(Input) - Positive power supply for the digital section.

DGND

Digital Ground

(Input) - Ground reference. Should be connected to digital ground.

VLC

Control Port Power

(Input) - Determines the required signal level for the control port.

SCL/CCLK

Serial Control Port Clock

(Input) - Serial clock for the serial control port. Requires an external pull-up

resistor to the logic interface voltage in I²C mode as shown in the Typical Connection Diagram.

SDA/CDOUT

Serial Control Data

(Input/Output) - SDA is a data I/O line in I²C mode and requires an external pull-up

resistor to the logic interface voltage, as shown in the Typical Connection Diagram. CDOUT is the output

data line for the control port interface in SPI mode.

AD1/CDIN

Address Bit 1 (I²C)/Serial Control Data (SPI)

(Input) - AD1 is a chip address pin in I²C mode; CDIN is

the input data line for the control port interface in SPI mode.

AD0/CS

Address Bit 0 (I²C)/Control Port Chip Select (SPI) (Input

) - AD0 is a chip address pin in I²C mode; CS

is the chip select signal in SPI mode.

17 18 19 20 21

22 23 24 25 26 27 28 29 30 31 32

63 62 61 60

59 58 57 56 55 54 53 52 51 50 49

CX_SDIN1

DG ND

VLC

SC L/CCLK

SD A/C DO U T

AD 1/CDIN

AD 0/C S

IN T

RST

AIN R-

AINR+

AIN L+

AIN L-

AO U TA2-

AO UT B1-

AO U T B1+

AO U T A1+

AO U TA1-

MU TEC

AG ND

VAR X

RX P7/G PO 7

RX P6/G PO 6

RX P5/G PO 5

RX P4/G PO 4

RX P3/G PO 3

RX P2/G PO 2

RX P1/G PO 1

LPFLT

CX _LRCK

CX _SCLK

CS42516

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