5-8 Vocoder Schematic Circuit Diagram
(1608)
(1608)
N/C
N/C
N/C
N/C
N/C
N/C
R419
1K
22nF
C429
82pF
C981
C980
82pF
4
82pF
C979
21
VXI1P
22
VXI2N
19
VXI2P
20
78
WRN
VCC
3
6
VDDO-2
VDDO-3
VDDO-4
VREFN
24
23
VREFP
VSSA-AMP
28
VSSA-AVS
18
VSSA-VSS
31
VSSI-1
4
VSSI-2
47
VSSI-3
63
VSSO-1
10
VSSO-2
17
VSSO-3
41
57
VSSO-4
VXI1N
44
PCMINRQ
43
PCMOUT
46
68
PCMRDY
PWO1N
32
PWO1P
30
PWO2N
33
PWO2P
34
RDN
79
12
SP
VA
D
13
VDDA-AMP
VDDA-AVD
VDDI-1
VDDI-2
VDDI-3
VDDO-1
50
51
EFSX
81
GDN1
GND2
82
GSMIN
61
GSMINRQ
60
GSMOUT
56
GSMOUTRQ
54
67
GSMRDY
64
H13M
40
H8K
MICREFN
26
MICREFP
27
70
MP1
MP2
71
62
NRST
PCMIN
ALER
TER
BFI
14
66
CSCOD
65
CSDEC
CSGSMIN
59
CSGSMOUT
55
CSN
77
CSNPCMOUT
45
CSPCMIN
42
DAICLK
39
DAITST1
37
38
DAITST2
25
DARIST
49
ECLK
52
EDR
EDX2
53
EFSR
U405
VOCODER
VP22021
72
A0
73
A1
74
A2
75
A3
76
A4
80
AD0
AD1
1
AD2
2
AD3
3
AD4
6
AD5
7
AD6
8
AD7
9
36
C427
10nF
VCC
82pF
C974
A
VCC
82pF
C975
7
TP401
1
R403
10K
C407
1nF
R410
10K
VCC
VCC
1K
R420
VCC
47uF
C430
7
A
VCC
10nF
C419
39pF
0
TP403
2
C920
C423
10nF
2
C936
1nF
TP400
10nF
C428
C405
10nF
10K
R418
C935
1nF
A
VCC
100K
R990
10K
TP404
R989
4
10nF
C421
6
220
R417
3
C424
47nF
22nF
5
TP402
C406
5
A
VCC
82pF
C922
R413
220
TP405
R41
1
EAR_EN
MIC2P
MIC2N
REED
10K
SPK2P
RXDATA
ALERTER
SPK2N
MIC-
MIC+
SPK+
SPK-
NCB_BAT
BFI
TXSFM
RXSFM
CSVOC
CLK13M_K
RD
WR
SP
D(0:15)
D(0:15)
A(0:19)
A(0:19)
TXRDY
RST
RXCLK
RXRDY
TXDATA
TXCLK
11
16
58
69
5
15
48
35
29
VCC
VCC
AVCC
R971
10K
C967
10nF
5-8
Samsung Electronics
05-Schematic Diagrams 7/21/99 11:31 AM Page 8