Major Ic Internal Block Diagram And Pin Description - LG GSA-H20A Service Manual

MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION

IC121 (AN22117A) : FEP(RF) Analog Signal Processor
• Pin Assignment
N.C. 97
N.C. 98
N.C. 99
GND2 100
AIN 101
BIN 102
CIN 103
DIN 104
VCC6 105
EIN 106
FIN 107
VCC1 108
GIN 109
110
HIN
GND1 111
SVREF 112
CPCAPH 113
CPCABH 114
115
N.C.
VHALF
116
CTC2 117
118
CTC1
119
CBDOS
CBDOF 120
VCC3 121
122
VREF25
123
VPD
VREFPD 124
GND3 125
PO6 126
PO5
127
PO4 128
54
AN22117A
(Top View)
128Pin TQFP
TQFP-128-P-1414A
64 N.C.
63
WBL
62
CLUMPGT
61
LPPS
60
ASENV/LPPM
59 GND4
VCC52
58
57 RSDAT
56
RSEN
55 N.C.
54 SDAT
53
SCK
52
SEN
51 CHSEL
50 N.C.
49 TGCHG
48
LSEN
47 LSCK
46 LSDAT
45 VCC4
44
SH5
43
FEPIDGT/SH6
42
SH1
41 SH2
40
SH3
39 WIDGT/SH4
38
WTGT
37 GND5
36
BDO
35
OFTR
34
VCC51
33
TC