Cirrus Logic CRD4202-2 - Manual (Page 13)

CRD42
02-2
DS
549RD1B1
13
U5
AT24C02
SCL
6
SDA
5
Vcc
8
A0
1
A1
2
WP
7
Vss
4
A2
3
C67
10uF
ELEC
+ C66
10uF
ELEC
+
C61
0.1uF
Z5U
C60
0.1uF
Z5U
C62
10uF
ELEC
+ C63
0.1uF
Z5U
C64
10uF
ELEC
+
TP1 TP2 TP3 TP4 TP5
P1
CNR Connector
AC97_SDATA_IN2
A27
GND
B4
+5Vdual
B15
USB_OC#
B16
GND
A3
USB+
A13
USB-
A15
GND
A6
GND
A14
+3.3Vdual
A18
AC97_SYNC
B28
GND
A17
AC97_SDATA_IN1
A28
GND
A20
AC97_SDATA_IN0
A29
GND
A30
AC97_BITCLK
B30
reserved
B14
CDC_DN_ENAB#
B26
-12V
B18
GND
B10
+12V
A16
GND
B7
+5VD
A19
GND
B13
+3.3VD
B19
GND
B17
AC97_SDATA_OUT
B29
AC97_RESET#
A26
GND
B20
GND
B23
GND
B27
SMB_SCL
B25
SMB_SDA
A25 SMB_A0
B24 SMB_A1
A23
SMB_A2
A24
EE_CS
A22
EE_DIN
A21
EE_DOUT
B21
EE_SHCLK
B22
reserved
B1
reserved
B2
reserved
B3
reserved
B5
reserved
B6
reserved
A1
reserved
A2
reserved
A5
reserved
A4
reserved
A12
GND
A9
LAN_CLK
A10
LAN_RSTSYNC
B9
LAN_TXD0
A8
LAN_TXD1
B8 LAN_TXD2
A7
LAN_RXD0
B12
LAN_RXD1
A11
LAN_RXD2
B11
TP6
C65
0.1uF
Z5U
U6
MC78M05C
OUT
3
GND
2
IN
1
AGND
+3.3VD
+12VD
DGND
DGND
DGND
+5VA +12VD
+5VD
DGND
+3.3VD
DGND
DGND
ASYNC
PRIM_DN#
ASDOUT
ABITCLK
ASDIN1
ASDIN0
ARST#
Connect AGND to DGND with a 50 mil trace near the codec.
Connect CGND to DGND with a 50 mil trace near the finger
edge of the board.
Figure 7. CNR Connector