Service Manual
IC10
VDP1
IC
CUSTOM CHIP
VDP1
QFP
IC
CUSTOM CHIP
VDP1
S QFP
Parts
No.
: 315-5689 Parts
No.
: 315-5883
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View
126
127
I
I
I
I
• Description
No.
I
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1/0
-
0
-
0
0
0
-
0
0
-
0
0
I
-
-
-
-
0
0
0
-
0
'
-
0
-
0
85
84
43
42
Name
Function
Ne
Not connected.
VRAMA7
VRAMA8 Address bus (VRAM)
VRAMA9
VSS
Ground for 1/0 pin
veLK
Clock (VRAM)
VUDQM
Upper
byte input/output mask(VRAM)
VLDQM
Lowerbyte input/output mask(VRAM)
VSS
Ground for internal circuit
veASN
Column address asserted (VRAM)
VRASN
Row address asserted (VRAM)
vee
Power supply
VWEN
Write enable (VRAM)
veSN
Chip select (VRAM)
MeLK
Master clock
RESETN
Reset
vss
Ground for 1/0 pin
esN
Chip select
ADN
Address/data select
DTEN
Data enable
IRON
Interrupt request
READYN
Ready
VBUSO
VBUSl
Address/data bus (Syscon)
VBUS2
vss
Ground for
1!0
pin
VBUS3
VBUS4
VBUS5
Address/data bus (Syscon)
VBUS6
VRUS7
vee
Power
supply
VBUS8
VBUS9
Address/data bus (Syscon)
VBUSlO
VBUSll
vss
Ground for internal circuit
VBUS12
VBUS13
Address/data bus (Syscon)
VBUS14
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