Sharp GX15 Service Manual page 94

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GX15
Pin No.
Terminal name
56
A6
57
A3
58
A2
59
A1
60
SC-/CE1
61*
NC
62*
NC
63*
NC
64
A5
65
A4
66
A0
67
F-/CE
68
GND
69
/OE
70*
NC
71*
NC
72*
NC
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
A
B
C
D
E
F
G
H
CONFIDENTIAL
Input/Output
Input
Address input (common)
Input
Address input (common)
Input
Address input (common)
Input
Address input (common)
Input
Chip enable input (Smartcombo RAM)
Not used
Not used
Not used
Input
Address input (common)
Input
Address input (common)
Input
Address input (common)
Input
Chip enable input (Flash)
Earth
Input
Output enable input (common)
Not used
Not used
Not used
1
2
3
4
1
2
3
4
NC
NC
A20
A11
13
14
A16
A8
22
21
F-RY/-BY
F-/WE
29
30
GND
/RST
37
38
F-/WP
VPP
46
45
/UB
/LB
53
54
A18
A17
61
62
63
64
NC
NC
NC
A5
VPP
A22
A0~A21
OE
F-CE, F-WE,
F-WP, RST
SC-CE1, CE2,
SC-WE, LB, UB
Description of terminal
(TOP VIEW)
5
6
7
8
5
6
7
8
A15
A14
A13
A12
15
16
17
18
A10
A9
DQ15
SC-/WE
23
24
25
26
A21
NC
DQ13
DQ6
31
32
33
34
A22
NC
DQ12
CE2
39
40
41
42
A19
DQ11
F/SC-VCC
DQ10
47
48
49
50
NC
T1
DQ9
DQ8
55
56
57
58
A7
A6
A3
A2
65
66
67
68
A4
A0
F1-/CE
GND
128M (x16) bit
Flash memory
64M (x16) bit
Smart Combo RAM
6 – 6
9
10
11
12
9
10
11
12
GND
NC
NC
NC
19
20
DQ14
DQ7
27
28
DQ4
DQ5
35
36
NC
F/SC-VCC
43
44
DQ2
DQ3
51
52
DQ0
DQ1
59
60
A1
SC-/CE1
69
70
71
72
OE
NC
NC
NC
F-RY/BY
F/SC-VCC
DQ0~DQ15
GND

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