Sony CDX-M800 Service Manual page 20

CDX-M800
• IC2 M30823MH-066GP (US, Canadian model) (DISPLAY SYSTEM CONTROL) (DISPLAY Board)
• IC2 M30823MH-073GP (AEP, UK, E model) (DISPLAY SYSTEM CONTROL) (DISPLAY Board)
Pin No. Pin Name
1 SYS RST
2 NC
3 FL DATA3
4 NC
5 FL CLK IN
6 BYTE
7 CNVSS
8 NC
9 NC
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC
15 NMI
16 NC
17 NC
18 NC
19 NC
20 NC
21 LAT
22 BK
23 GCP2
24 NC
25 GCP1
26 NC
27 GCP4
28 GCP3
29 SYS SO
30 SYS SI
31 SYS CLK
32 NC
33 FL DAT1
34 NC
35 FL CLK
36 LCD CE
37 LCD INH
38 NC
39 HOLD
40 – 43 NC
44 WRI/WR
45 – 59 NC
60 VCC
61 NC
62 VSS
63 – 93 NC
94 AVSS
95 NC
96 VREF
97 AVCC
98 RXD1
99 FL DATA2
100 FL CLK IN
20
I/O
I Main chip enable input
I Not used. (Open)
O FL serial data output
O Not used. (Open)
I FL serial clock input
I L fixed terminal
I Flash write-in signal input
O Not used. (Open)
O Not used. (Open)
I CPU reset signal input
O Main clock signal output (30MHz)
— Ground
I Main clock signal input (30MHz)
— Power supply pin (+5V)
I Non maskable interrupt signal input
O Not used. (Open)
O Connecting to pin 20.
O Not used. (Open)
O Not used. (Open)
O Connecting to pin 17.
O FL data LAT output
O FL BK output
O FL GCP2 outpit
O Not used. (Open)
O FL GCP1 output
O Not used. (Open)
O FL GCP4 output
O FL GCP3 output
O Main BUS data output
I CPU BUS data input
O Main BUS clock input
O Not used. (Open)
O FL serial data output
O Not used. (Open)
O FL serial clock output
O LCD driver chip enble output
O LCD driver inhibit output
O Not used. (Open)
I Flash write-in signal input
O Not used. (Open)
I Flash write-in signal input
O Not used. (Open)
O Power supply pin (+5V)
O Not used. (Open)
O Ground
O Not used. (Open)
— Ground
O Not used. (Open)
— Power supply pin (+5V)
— Power supply pin (+5V)
— Not used. (Open)
O FL serial data output
I FL serial clock input
Pin Description