User Guide

Chapter 4 System Disassembly
340S2 37
Rev : B
ADM213 (U1)
Keyboard Controller PC87570
U1
ADM213
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
T4IN
21
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
SHDN#
25
VCC
11
V+
13
V-
17
T1OUT
2
T2OUT
3
T3OUT
1
T4OUT
28
R1IN
9
R2IN
4
R3IN
27
R4IN
23
R5IN
18
EN
24
GND
10
U18
KBSN0
36
KBSN1
35
KBSN2
34
KBSN3
33
KBSN4
32
KBSN5
31
KBSN6
30
KBSN7
29
KBSOUT0
56
KBSOUT1
55
VCC
23
VCC
67
VCC
108
VCC
161
AVCC
91
AVREF
80
HA0
166
HA1
167
HA2
168
HA3
169
HA4
170
HA5
171
HA6
172
HA7
173
HA8
174
HA9
3
HA10
4
HA11
5
HA12
6
HA13
7
HA14
8
HA15
9
HA16/PA3
10
HA17/PA4
11
HA18/PE0
12
HD0
15
HD1
16
HD2
17
HD3
18
HD4
19
HD5
20
HD6
21
HD7
22
A0
114
A1
115
A2
116
A3
117
A4
118
A5
119
A6
120
A7
121
A8
122
A9
123