Sony CDX-C90 Service Manual page 55

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• IC500 HD6413002F16 (DISPLAY CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 – 21
22
23 – 34
35
36 – 43
44
TE
L 13942296513
45 – 56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78 – 83 (AN0 – AN5)
www
84
85
86
.
87
88
89
http://www.xiaoyu163.com
Pin Name I/O
VDD — Power supply pin (+5 V)
SIRCS I Remote commander input
SIRCS I Remote commander input
LCD-RST O LCD controller reset control output
ILL ON O LCD controller power supply control output
EL ON O LCD back light EL power supply control output
LCD-ST O LCD controller information start request signal output
CS-CTL O SRAM master chip enable control output
BOOTI I Compulsory boot mode input
(RESO) O Connect to GND.
VSS O GND
LCD-SO O LCD controller serial data output
UNI-SO O BUS interface data output
LCD-RX I LCD controller serial data input
UNI-SI I BUS interface data input
UNI-CO O LCD controller serial clock ouput
UNI-CI I LCD controller serial clock input
D0 – D3 I/O External RAM, ROM data bus input/output
VSS — GND
D4 – D15 I/O External RAM, ROM data bus input/output
VDD — Power supply pin (+5 V)
A0 – A7 O External RAM, ROM address bus output
VSS — GND
A8 – A19 O External RAM, ROM address bus output
VSS — GND
WAIT O Not used.
(P61) — Not used.
(P62) — Not used.
NC — Not used.
STBY I Hardware standby input (Fixed at "H".)
SYSRST I Reset input
BU-IN I Back-up power detection input
VSS — GND
EXTAL O Oscillation output (14.74 MHz)
XTAL I Oscillation input (14.74 MHz)
VDD — Power supply pin (+5 V)
AS — Not used.
RD O Read signal output
HWR O High write signal output
LWR O Low write signal output
MD0 I Microcomputer oparation mode input (Fixed at "L".)
MD1 I Microcomputer oparation mode input (Fixed at "L".)
MD2 I Microcomputer oparation mode input (Fixed at "H".)
AVDD I A/D converter power supply input
VREF I A/D converter reference voltage input
— Connect to GND.
BU-IN I Back-up power detection input
x ao
PBS I Parking brake input
y
AVSS — A/D converter GND
i
BUS-ON I BUS-interface BUS-ON input
SRAM-CS O SRAM chip enable output
DEC-CS O Demodulator LSI chip enable output (Not used in this set.)
http://www.xiaoyu163.com
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Pin Description
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9