Read Sharp ER-A440 (serv.man4) Service Manual online
2. Description of main LSI’s
2-1. CPU (HD6415108-10)
1) Pin configuration
HD6415108-10 pin configuration
Fig. 2-1
RES
NMI
VSS
P10
P11
P12
P12
P13
P14
P15
P16
P17
D0
D1
D2
D2
D3
D4
D5
D6
D7
VSS
A0
A1
A1
A2
A3
A4
A5
A6
A7
1
2
3
4
5
6
6
7
8
9
10
11
12
13
14
14
15
16
17
18
19
20
21
22
22
23
24
25
26
27
28
STBY
MD2
MD1
MD0
VCC
RFSH
LWR
HWR
RD
AS
E
VSS
XTAL
EXTAL
VSS
TX
D2
RXD2
TX
D1
RXD1
SCK2
UASKC
IR
Q1
IR
Q0
VCC
AVCC
AN3
AN2
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
P41
P42
P43
P44
P45
P46
P47
VSS
P50
P51
P52
P53
P54
P55
P56
P57/STOP
P60
P61
P62
P63
P64
P65
P66
P67
VSS
AVSS
AN0
AN1
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
78
80
81
82
83
84
A8
A9
A10
A11
A12
A13
A14
A15
VSS
A16
A17
A18
A19
A20
A21
A22
A23
VSS
WAIT
BACK
BREQ
P33
P34
P35
P36
P37
VCC
P40
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
X
4 – 2
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