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參數(shù)資料
| 型號： | RS56-PCI |
| 英文描述： | Host Software Processed V.90/K56flex Modem Device Family for Desktop Applications |
| 中文描述： | 主機軟件處理V.90/K56flex調制解調器桌面應用器件系列 |
| 文件頁數(shù)： | 13/20頁 |
| 文件大?。?/td> | 228K |
| 代理商： | RS56-PCI |
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MD231F9 20437-HIS
LINE
CODEC
(LC)
32-TQFP
[20437]
MCLKIN
MTXSIN
MRXOUT
MSTROBE
MSCLK
MCTRLSIN
IASLEEP
RESET#
SET3V#
AVDD
AVDD
AVAA
GND
VSUB
AGND
19
20
22
23
21
18
1
4
26
17
25
5
28
27
6
SPKMD
SPKOUT
MIC_M
RXA
TXA1
TXA2
VC
VREF
MICBIAS
MRLYA#
MRLYB#
M_ACT90
M_1BIT_OUT
D_LPBK#
NC
NC
NC
2
3
14
13
9
10
12
11
15
24
16
29
30
31
7
8
32
BIF
DAA
BIF: M_CLK
BIF: M_TXSIN
BIF: M_RXOUT
BIF: M_STROBE
BIF: M_SCLK
BIF: M_CTRL
BIF: SLEEP
BIF: DRESET#
NC (VAA = +5V) OR
AGND (VAA = +3.3V)
+3.3V
+3.3V
VAA [+5V (RECOMMENDED)
OR +3.3V]
GND
AGND
AGND
AUDIO CIRCUIT
10
10
0.1 CER
0.1 CER
FB
NC
NC
NC
NC
NC
NC
NC
NC
NC
Figure 9. Line Codec (LC) (20437: 32-Pin TQFP) Hardware Interface Signals
MD231F10 20437 PO-32T
N
D
M
M
G
V
S
A
IASLEEP
SPKMD
SPKOUT
RESET#
AVAA
AGND
NC
NC
T
T
V
V
R
M
M
M
MRLYA#
MSTROBE
MRXOUT
MSCLK
MTXSIN
MCLKIN
MCTRLSIN
AVDD
3
3
3
2
2
2
2
2
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
24
23
22
21
20
19
18
17
Figure 10. LC (20437: 32-Pin TQFP) Pin Signals
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