CRD4202-2 Datasheet, PDF (13/24 Pages) Cirrus Logic – AC 97 Six Channel CNR Audio Reference Design with PLL

+3.3VD
C61
0.1uF
Z5U
+ C62
10uF
ELEC
DGND
PRIM_DN#
ASYNC
ASDOUT
ABITCLK
TP1 TP2 TP3
P1
B1
reserved
B2
B3 ^reserved
reserved
B4
GND
B5
reserved
B6
reserved
B7
B8 ^GND
LAN_TXD1
B9
LAN_RSTSYNC
B10
GND
B11
LAN_RXD2
B12
LAN_RXD0
B13
GND
B14
B15 ^reserved
B16
+5Vdual
B17
USB_OC#
B18
GND
B19
-12V
+3.3VD
B20
GND
B21
EE_DOUT
B22
EE_SHCLK
B23
GND
B24
B25 ^SMB_A0
SMB_SCL
B26
CDC_DN_ENAB#
B27
GND
B28
AC97_SYNC
B29
AC97_SDATA_OUT
B30
AC97_BITCLK
CNR Connector
DGND
A1
reserved
A2
reserved
A3
GND
A4
reserved
A5
reserved
A6
GND
A7
LAN_TXD2 _A8
LAN_TXD0
A9
GND
A10
LAN_CLK
A11
LAN_RXD1
A12
reserved
A13
USB+
A14
GND _A15
USB- _A16
+12V
A17
GND _A18
+3.3Vdual
A19
+5VD
A20
GND
A21
EE_DIN
A22
EE_CS
A23
SMB_A1
A24
SMB_A2 _A25
SMB_SDA
A26
AC97_RESET#
A27
AC97_SDATA_IN2
A28
AC97_SDATA_IN1
A29
AC97_SDATA_IN0
A30
GND
DGND
+12VD
+5VD
C63
0.1uF
Z5U
+ C64
10uF
ELEC
DGND
ARST#
ASDIN1
ASDIN0
U5
2
A1
3
5
A2
SDA
6
SCL
1
A0
AT24C02
TP4 TP5 TP6
+3.3VD
8
Vcc
7
WP
4
Vss
C60
0.1uF
Z5U
DGND
+12VD
C65
0.1uF
Z5U
1
IN
+ C66
10uF
ELEC
U6
3
OUT
MC78M05C
+5VA
+ C67
10uF
ELEC
DGND
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.
AGND
Figure 7. CNR Connector