User Manual

DS687F4 3
CS5343/4
Draft
2/1/11
1. PIN DESCRIPTIONS
Pin Name Pin # Pin Description
SDOUT 1
Serial Audio Data Output (Output) - Output for two’s complement serial audio data. Also selects Master
or Slave Mode; See Section 4.1 on page 12 for details.
SCLK 2 Serial Clock (Input/Output) - Serial clock for the serial audio interface.
LRCK 3
Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the
serial audio data line.
MCLK 4 Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
FILT+ 5 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.
AINL
AINR
6
8
Analog Input (Input) - The full-scale analog input level is specified in the Analog Characteristics specifi-
cation table.
VQ 7 Quiescent Voltage (Output) - Filter connection for the internal quiescent reference voltage.
GND 9 Ground (Input) - Ground reference. Must be connected to analog ground.
VA 10 Power (Input) - Positive power supply for the digital and analog sections.
1
2
3
4
5
6
7
8
9
10
SDOUT
SCLK
LRCK
MCLK
FILT+
VA
GND
AINR
VQ
AINL