Cirrus Logic CS8421 - Manual (Page 7)

DS641F6 7
CS8421 CS8421
1.2 QFN PIN DESCRIPTIONS
7 6
5
4
3
2
1
8 9 10
11
12
13
14
15
16 17 18 19 20
Top-Down View
20-pin QFN Package
Thermal Pad
XTI XTO S
RC_UNLOC
SA
IF
SA
O
F
ISCLK
SD
IN
MCLK
_OU
T
TDM_IN
SD
O
U
T
VD
GND
RST
BYPASS
ILRCK
VL
GND
MS_SEL
OLRCK
OSCLK