參數(shù)資料
型號(hào): WM9712LSEFV
廠商: Wolfson Microelectronics
元件分類(lèi): Codec
英文描述: AC97 Audio and Touchpanel CODEC
中文描述: AC97音頻編解碼器和觸摸屏
文件頁(yè)數(shù): 71/78頁(yè)
文件大?。?/td> 689K
代理商: WM9712LSEFV
Production Data
WM9712L
w
PD Rev 4.0 December 2003
71
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS
1
9
25
38
43
DBVDD
DCVDD
AVDD
SPKVDD
HPVDD
TPVDD
PCBEEP
19
PHONE
20
X+/BR
Y+/TR
X-/TL
Y-/BL
14
15
16
17
MIC1
21
MIC2
22
LINEINL
23
LINEINR
24
SDATAOUT
BITCLK
6
SDATAIN
8
SYNC
10
RESETB
11
AC-
LINK
XTLOUT
3
XTLIN
GND
XT
4
7
DGND2
DGND1
AGND
SPKGND
HPGND
26
34
40
42
AGND2
LOUT2
35
ROUT2
36
OUT3
HPOUTL
39
HPOUTR
41
GPIO1
44
45
46
47
48
GPIO2/IRQ
GPIO3/PENDOWN
GPIO4/ADA/MASK
GPIO5/SPDIF_OUT
MICBIAS
28
VREF
27
CAP2
32
C9
2
WM9712L
AGND
+
+
+
+
AGND
+
AGND
+
C15
C27
C28
C12
C13
C14
C10
C16
C17
C18
C19
C20
+
C11
C25
C26
C22
C23
5
GND
AGND
GND
TPGND
18
13
COMP1/AUX1
COMP2/AUX2
WIPER/AUX4
BMON/AUX3
12
31
30
29
MONOOUT
33
+
C21
C6
C5
C4
C3
C2
C1
Layout
Notes:
1. C1 to C6, C9 C11 and C13 should be as close to
the relative WM9712L connecting pin as possible.
2. AGND and DGND should be connected as close
to the WM9712L as possible.
37
+
C24
DVDD
AVDD
See External Components
Descriptions for details
C8
DVDD
+
GND
C7
+
AGND
AVDD
R1
DBVDD
Figure 23 External Components Diagram
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