Ic4001 (Rh-Ixc243Wjzzq) - Sharp LC-32D44E Service Manual

LC32D44E/S/RU-BK/GY (1st Eddition)

10. IC4001 (RH-IXC243WJZZQ)

This is a video/ audio signal processing IC (Set-top-box decoder) for digital tuner, incorporates a CPU. In this equipment, it implements GUI process-
ing and video/audio processing for digital tuner, negotiation processing with CI-CARD, etc.
Pin No.
System pins
138
139
128
130
131
FMI pins
89
90
91
92
93
94
95
97
98
99
100
103
104
105
106
107
56
57
58
59
60
61
62
63
64
65
66
69
70
71
73
74
75
76
77
78
79
80
81
52
51
50
49
88
86
87
85
83
82
53
LMI pins
Pin Name I/O
CLK27IN I 27 MHz crystal circuit.
CLK27OUT O 27 MHz crystal circuit.
AUXCLKOUT O Auxiliary clock for general use.
NOT_RESET I System reset.
NOT_RSTOUT O Reset out.
FMIDATA15 I/O Bidirectional data.
FMIDATA14 I/O
FMIDATA13 I/O
FMIDATA12 I/O
FMIDATA11 I/O
FMIDATA10 I/O
FMIDATA9 I/O
FMIDATA8 I/O
FMIDATA7 I/O
FMIDATA6 I/O
FMIDATA5 I/O
FMIDATA4 I/O
FMIDATA3 I/O
FMIDATA2 I/O
FMIDATA1 I/O
FMIDATA0 I/O
FMIADDR23 O Address (8 Mbyte).
FMIADDR22 O
FMIADDR21 O
FMIADDR20 O
FMIADDR19 O
FMIADDR18 O
FMIADDR17 O
FMIADDR16 O
FMIADDR15 O
FMIADDR14 O
FMIADDR13 O
FMIADDR12 O
FMIADDR11 O
FMIADDR10 O
FMIADDR9 O
FMIADDR8 O
FMIADDR7 O
FMIADDR6 O
FMIADDR5 O
FMIADDR4 O
FMIADDR3 O
FMIADDR2 O
FMIADDR1 O
NOT_FMICSD O Chip select.
NOT_FMICSC O
NOT_FMICSB O
NOT_FMICSA O
NOT_FMIOE O Output enable.
NOT_FMIBE1 O Byte enable.
NOT_FMIBE0 O
NOT_FMILBA O Flash device load burst address.
FMIRDNOTWR O Read not write.
FMIWAIT I Wait input (extend read/write cycle).
FMIFLASHCLK O Peripheral clock.
Pin Function
5 – 13