wm9704q Wolfson Microelectronics plc, wm9704q Datasheet - Page 33

• Manufacturer Part Number: wm9704q
• Description: 4-channel Surround Sound Codec
• Manufacturer: Wolfson Microelectronics plc

Production Data
RECOMMENDED EXTERNAL COMPONENTS
Figure 15 External Components Diagram
WOLFSON MICROELECTRONICS LTD
NOTES: 1. Pins 27, 29 and 31 are
2. C1 to C28 should be as
3. AGND and DGND should
internally connected.
It is recommended that
capacitors only be
these pins.
close to WM9704Q as
possible.
be connected as close to
WM9704Q as possible.
connected to one of
OPERATION
CONTROL
MODE OF
AC-LINK
INPUTS
MIXER
AVDD
AVSS
DVDD
DGND
C1
C2
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
12
13
14
15
16
17
18
19
20
21
22
23
24
30
40
46
45
10
11
1
9
4
7
5
6
8
DVDD1
DVDD2
DVSS1
DVSS2
PCBEEP
PHONE
AUXL
AUXR
VIDEOL
VIDEOR
CDL
CDGND
CDR
MIC1
MIC2
LINEINL
LINEINR
MODE0
MODE1
CID1
CID2
SDATAOUT
BITCLK
SDATAIN
SYNC
RESETB
C34
XTLIN
2
WM9704Q
DGND
XT
XTLOUT
LNLVLOUTR
LNLVLOUTL
3
MONOOUT
LINEOUTR
LINEOUTL
VREFOUT
C35
AVDD1
AVDD2
AFILT1
AVSS1
AVSS2
CX3D1
CX3D2
GPIO1
GPIO2
GPIO3
VREF
EAPD
CAP1
CAP2
25
38
26
42
27
28
29
31
32
33
34
35
36
37
39
41
43
44
48
47
C21 C22
C3
+
+ +
+
+
+
+
C27
C29
C30
C31
C32
C33
C23
+
AGND
AGND
AGND
AVDD
C4
C24
C28
+
C25
STEREO OUTPUT
MONO OUTPUT
LINE LEVEL STEREO
TO I
C26
2
S DACs
C18
+
C19
AGND
C20
PD Rev 2.3 January 2001
+
WM9704Q
33