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IC Block Diagrams
IC301 BA3577FS-E2
1
RF IN
R/F
RF OUT
2
BIAS IN
3
BIAS OUT
4
V IN1
5
V IN2
6
PWSTB
PWSTB
7
PWSTB T
8
MUTE
MUTE
9
10
MUTE T
IC601 UPD63731GC-9EU
100
99
98
97 96
ADIP
VDD ADC
1
RF
VREF
2
FE
3
FE
ABCD
4
ABCD
TE
5
TE
VRT1
6
RF
7
VRT2
8
ADIP
9
VRT3
10
VSS ADC
11
T COUNT
12
DEFECT
13
OF TRX
14
VSS
15
NC
16
NC
17
8
NC
18
5
19
NC
20
VDD
21
TFOUT
22
TROUT
23
FROUT
24
FFOUT
25
CK176
26 27 28 29 30
20
19
VCC
18
+B
17
16
15
14
13
12
BEEP
11
95
94
93
92
91
90
89
86
87
ADIP
PLL
EFM
PLL
SUBQ/ADIP
DSSP
DECODER
4
3
EFM ACIRC
DECODER
8
SSB CONTROL
MONITOR I/O etc.
10
8
ATRAC
DECODER
31 32 33 34 35 36 37 38 39 40
– 26 –
IC552 TLC372CPW-E20
VCC
OUT2
8
NC
7
NC
VCC
+B
NF1
OUT1
GND
1
2
OUT1
IN-1
OUT2
NF2
BEEP IN
86
85
84
83
82
81
80
79
78
77
76
FLAG
AC LRCK
AC
AC WDCK
WDCK
SECTOR
DECODER
AC BYCK
S DATA
AC DATA
8
8
16
EFM DATA A/B
8
ECC DATA
EBA
12
WR REQ etc.
RD DT ECC
8
ATDT
16
XATWE
DREQ
XBUSY
CLOCK
GENERATOR
41 42 43 44 45 46 47 48 49 50
IN-2
IN+2
6
5
3
4
IN+1
GND
75
VDD
74
DRA3
73
DRA2
72
DRA1
71
DRA0
70
DRA4
69
DRA5
68
DRA6
67
DRA7
66
DRA8
65
DRA10
64
DRA11
63
XRAS
DRA9
62
61
XOE2
60
XOE
XCAS
59
58
DRD2
57
DRD3
VSS
56
55
XWE2
54
XWE
DRD1
53
DRD0
52
51
VDD
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