CRD4205-1 Datasheet, PDF (10/24 Pages) Cirrus Logic – Notebook Audio Docking Station Example

SDATA_1
SCLK
LRCLK
ABITCLK
SPDIF/SDATA_2
+5VD
DSSDI1
DSSDI3
DSSDI2
DGND
U7
2
4
1A1
6
1A2
8
1A3
1A4
18
1Y1
16
1Y2
14
1Y3
12
1Y4
11
13
2A1
15
2A2
17
2A3
2A4
9
2Y1
7
2Y2
5
2Y3
3
2Y4
1
1OE
19
2OE
20
10
VCC GND
74HC244
DGND
J14
14
12
10
8
6
4
2
13 /OBE
11 DSMCK
9 DSLRCK
7 _DSSCK
5 _SDATA1
3 _SDATA2
1 _{n.c. (reserved)}
DGND
7x2 CON
To Docking
Station
NOT SUPPORTED
+5VA
U2
NO POP
1
2 ^SDATA
3 ^DEM#/SCLK
4 ^LRCK
MCLK
8
AOUTL ₇
VA+ ₆
AGND ₅
AOUTR
+5VA
+
C40
ELEC
NO POP
C41
NO POP
X7R
C42
NO POP
X7R
AGND
C37
1
C36
1
NO POP
EL2EC
NO POP
EL2EC
R31 NO POP
1
2
R30 NO POP
1
2
R32
NO POP
R33
NO POP
R34
NO POP
C38
NO POP
X7R
R35
NO POP
AGND
AGND
AGND
U3
NO POP
1
2 ^SDATA
3 ^DEM#/SCLK
4 ^LRCK
MCLK
8
AOUTL ₇
VA+ ₆
AGND ₅
AOUTR
AGND
C44
1
NO POP
EL2EC
R37 NO POP
1
2
C43 NO POP
1 EL2EC
R36
1
NO POP
2
R38
NO POP
R39
NO POP
R40
NO POP
R41
NO POP
C45
NO POP
X7R
C39
NO POP
X7R
SURROUND
JACK
J8
1
2
4
NO POP
Connect CGND
to AGND at
the jack
AGND
CNT/LFE
JACK
J9
1
2
4
C46
NO POP
X7R
NO POP
Connect CGND
to AGND at
the jack
AGND
AGND
AGND
AGND
Figure 4. Docking Interface