Casio PCRT275 Owners Manual - Page 12

CPU IC12: uPD784215AGC8038EU, 1-1. Pin Assignment

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5. CIRCUIT EXPLANATION 5-1. CPU (IC12: uPD784215AGC8038EU) 5-1-1. Pin Assignment P95 P94 P93 P92 P91 P90 TEST/VPP P37/EXA P36/TI01 P35/TI00 P34/TI2 P33/TI1 P32/TO2 P31/TO1 P30/TO0 P103/TI8/TO8 P102/TI7/TO7 P101/TI6/TO6 P100/TI5/TO5 VDD P67/ASTB P66/WAIT P65/WR P64/RD P63/A19 P120/RTP0 P121/RTP1 P122/RTP2 P123/RTP3 P124/RTP4 P125/RTP5 P126/RTP6 P127/RTP7 VDD X2 X1 VSS XT2 XT1 RESET P00/INTP0 P01/INTP1 P02/INTP2/NMI P03/INTP3 P04/INTP4 P05/INTP5 P06/INTP6 AVDD AVREF0 P10/ANI0 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 1 75 2 74 3 73 4 72 5 71 6 70 7 69 8 68 9 67 10 66 11 65 12 64 13 63 14 62 15 61 16 60 17 59 18 58 19 57 20 56 21 55 22 54 23 53 24 52 25 51 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 P62/A18 P61/A17 P60/A16 VSS P57/A15 P56/A14 P55/A13 P54/A12 P53/A11 P52/A10 P51/A9 P50/A8 P47/AD7 P46/AD6 P45/AD5 P44/AD4 P43/AD3 P42/AD2 P41/AD1 P40/AD0 P87/A7 P86/A6 P85/A5 P84/A4 P83/A3 P11/ANI1 P12/ANI2 P13/ANI3 P14/ANI4 P15/ANI5 P16/ANI6 P17/ANI7 AVSS P130/ANO0 P131/ANO1 AVREF1 P70/RxD2/SI2 P71/TxD2/SO2 P72/ASCK2/SCK2 P20/RxD1/SI1 P21/TxD1/SO1 P22/ASCK1/SCK1 P23/PCL P24/BUZ P25/SI0/SDA0 P26/SO0 P27/SCK0/SCL0 P80/A0 P81/A1 P82/A2 - 10 -

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— 10 —
5. CIRCUIT EXPLANATION
5-1. CPU (IC12: uPD784215AGC8038EU)
5-1-1. Pin Assignment
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
100
76
P120/RTP0
P121/RTP1
P122/RTP2
P123/RTP3
P124/RTP4
P125/RTP5
P126/RTP6
P127/RTP7
V
DD
X2
X1
V
SS
XT2
XT1
RESET
P00/INTP0
P01/INTP1
P02/INTP2/NMI
P03/INTP3
P04/INTP4
P05/INTP5
P06/INTP6
AV
DD
AV
REF0
P10/ANI0
P62/A18
P61/A17
P60/A16
V
SS
P57/A15
P56/A14
P55/A13
P54/A12
P53/A11
P52/A10
P51/A9
P50/A8
P47/AD7
P46/AD6
P45/AD5
P44/AD4
P43/AD3
P42/AD2
P41/AD1
P40/AD0
P87/A7
P86/A6
P85/A5
P84/A4
P83/A3
P95
P94
P93
P92
P91
P90
TEST/V
PP
P37/EXA
P36/TI01
P35/TI00
P34/TI2
P33/TI1
P32/TO2
P31/TO1
P30/TO0
P103/TI8/TO8
P102/TI7/TO7
P101/TI6/TO6
P100/TI5/TO5
V
DD
P67/ASTB
P66/WAIT
P65/WR
P64/RD
P63/A19
P11/ANI1
P12/ANI2
P13/ANI3
P14/ANI4
P15/ANI5
P16/ANI6
P17/ANI7
AV
SS
P130/ANO0
P131/ANO1
AV
REF1
P70/RxD2/SI2
P71/TxD2/SO2
P72/ASCK2/SCK2
P20/RxD1/SI1
P21/TxD1/SO1
P22/ASCK1/SCK1
P23/PCL
P24/BUZ
P25/SI0/SDA0
P26/SO0
P27/SCK0/SCL0
P80/A0
P81/A1
P82/A2
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
26
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27