CS4341

DS298F5

15

2.

PIN DESCRIPTION

Pin Name

#

Pin Description

RST

1

Reset (Input) - Powers down device and resets registers to their default settings.

SDATA

2

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

SCLK

3

Serial Clock (Input) -Serial clock for the serial audio interface.

LRCK

4

Left Right Clock (Input) - Determines which channel, Left or Right, is currently active on the

serial audio data line.

MCLK

5

Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.

SCL/CCLK

6

Serial Control Port Clock (Input) - Serial clock for the control port interface.

SDA/CDIN

7

Serial Control Data I/O

AD0/CS

8

Address Bit / Chip Select (Input) - Chip address bit in I²C Mode. Control signal used to select

the chip in SPI mode.

FILT+

9

Positive Voltage Reference (Output) - Positive voltage reference for the internal

sampling circuits.

VQ

10

Quiescent Voltage (Output) - Filter connection for internal quiescent reference voltage.

REF_GND

11

Reference Ground (Input) - Ground reference for the internal sampling circuits.

AOUTB

AOUTA

12

15

Analog Outputs (Output) - The full-scale analog output level is specified in the

Analog Characteristics table.

AGND

13

Analog Ground (Input)

VA

14

Power (Input) - Positive power for the analog, digital, and serial audio interface sections.

MUTEC

16

Mute Control (Output) - Control signal for an optional mute circuit.

15

2

14

3

13

4

16

1

11

6

10

7

9

8

12

5

RST

MUTEC

SDATA

AOUTA

SCLK

VA

LRCK

AGND

MCLK

AOUTB

SCL/CCLK

REF_GND

SDA/CDIN

VQ

AD0/CS

FILT+