VC20463 데이터 시트보기 (PDF) - Conexant Systems
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VC20463 Datasheet PDF : 24 Pages
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V.90/K56flex Modem Device Sets with SmartDAA Technology for Low Power Applications
SmartACFL
MODEM
DATA PUMP
(MSD)
IASLEEP
DRESET#
M_CLK
V_SCLK
V_STROBE
V_TXSIN
V_RXOUT
V_CTRL
+3.3V
VAA (+3.3V)
GND
AGND
1
4 SLEEP
19 POR
21 M_CLKIN
23 M_SCK
20 M_STROBE
22 M_TXSIN
18 M_RXOUT
M_CNTRLSIN
2
M_DIG_SPEAKER
13
M_MIC_IN
3
M_SPKR_OUT
14
M_LINE_IN
9
M_LINE_OUTP
10
M_LINE_OUTM
17
25 VDD
VDD
5
MAVDD
VOICE CODEC
(VC)
20437
32-PIN TQFP
VREF
VC
11
0.1
12
28
26 VSS
SET3V_BAR2
6
27 MAVSS
VSUB
15
M_MIC_BIAS
24
M_RELAYA
16
M_RELAYB
29
M_ACT90
30
M_1BIT_OUT
31
D_LPBK_BAR
7
NC 8
NC 32
NC
NC
MIC
SPK OUT
AUDIO
CIRCUIT
TELIN
TELOUT
HANDSET
INTERFACE
NC
FERRITE
VC_HAND
10
FERRITE
0.1
10
AGND
NC
MD248F7 20437-HIS
Figure 9. VC (20437) 32-Pin TQFP Hardware Interface Signals
SLEEP
1
M_DIG_SPEAKER
2
M_SPKR_OUT
3
POR
4
MAVDD
5
MAVSS
6
NC
7
NC
8
20437
24
M_RELAYA
23
M_STROBE
22
M_RXOUT
21
M_SCK
20
M_TXSIN
19
M_CLKIN
18
M_CNTRLSIN
17
VDD
MD241F8 PO-20437_32T
Figure 10. VC (20437) 32-Pin TQFP Pin Signals
Doc. No. 100444A
Conexant
19
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