Sony CDX-C90R, Руководство по обслуживанию

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