An249 – Cirrus Logic AN249 User Manual
Page 2

AN249
2
The CS5333 and CS5340 are both available in a 16-pin TSSOP package. As can be seen from Table 2,
all but three pins correlate directly in terms of functionality. These three pins account for a difference in
operational mode selection and a separate voltage supply pin for the CS5340 digital core.
Table 2. Pin Compatibility Between the CS5333 and CS5340
CS5333
CS5340
Description
Pin Number
Pin Name
Pin Number
Pin Name
1
VL
3
VL
Logic Power
2
MCLK
2
MCLK
Master Clock
3
SCLK
7
SCLK
Serial Clock
4
SDATA
4
SDOUT
Serial Data
5
VA
13
VA
Analog Power
6
GND
5
GND
Ground Reference
7
LRCK
8
LRCK
Left/Right Clock
8
DIV
-
-
Speed Mode Select/MCLK Divider
9
DIF
-
-
Digital Interface Format Select
10
TST
-
-
Test Pin
11
FILT+
15
FILT+
Voltage Reference
12
REF_GND
14
REF_GND
Ground Reference
13
AINR
12
AINR
Right Channel Analog Input
14
AINL
10
AINL
Left Channel Analog Input
15
VQ
11
VQ
Quiescent Voltage Reference
16
RST
9
RST
Reset
1
M0
Mode Selection
6
VD
Digital Power
16
M1
Mode Selection