Pioneer CRT3452 Service Manual page 114

1
Pin No. Pin Name
76 STEMP
77 BTEMP
A 78 LOTEMP
79 DEST
80 SENS9
*PE5272A
80
1
B
20
21
*LC35256FT-70U
C
oe
22
A11 23
A9 24
A8 25
A13 26
D
we
27
VCC 28
A14 1
ce
A12 2
oe
we
A7 3
A0~A14
VCC
A6 4
VSS
E
I/O1~I/O8
A5 5
A4 6
A3 7
F
114
1
2
I/O Format Function and Operation
I System controller section high-temperature sense A/D input
I BUS microcomputer section high-temperature sense A/D input
I Low-temperature sense A/D input
I Destination set A/D input
I VD short sense 9V group
61
60
41
40
:Chip enable input
:Output enable input
:Read/write input
:Address input
:Power supply
:GND
:Data input/output
XDV-M8357ZT/UC
2
3
Format
C
21 A10
ce
20
19 I/O8
18 I/O7
17 I/O6
16 I/O5
15 I/O4
14 GND
13 I/O3
12 I/O2
11 I/O1
10 A0
9 A1
8 A2
3
4
Meaning
C MOS
4