Casio ZD-3 Service Manual page 49

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IC401: MN101C15F GA1
41
60
61
40
80
21
20
1
TXD, SBO0, P00
18
19
RXD, SBI0, P01
SBT0, P02
20
21
SBO1, P03
22
SBI1, P04
SBT1, P05
23
24
DK,BUZZER,P06
RMOUT,TM0IO,P10
26
27
TM1IO, P11
TM2IO, P12
28
TM3IO, P13
29
30
TM4IO, P14
IRQ0,P20
31
SENS,IRQ1,P21
32
33
IRQ2, P22
IRQ3, P23
34
IRQ4, P24
35
25
RST, P27
36
SBO2, P30
37
SBI2, P31
SBT2, P32
38
BR, P33
39
BG, P34
40
41
LDDMA, P35
42
STDMA, P36
43
DKDMA, P37
15
16
13
Sub
System
Clock
Clock
Generator
Generator
ROM
96K Byte
8 bit Timer 0
8 bit Timer 1
8 bit Timer 2
8 bit Timer 3
16 bit Timer 4
A/D Convertor
Port 4
44
45
46
47
48
49
50
51
12
14
11
17
CPU
MN101C00
RAM
4K Byte
External Interrupt
Serial Interface 0
Serial Interface 1
Serial Interface 2
Time Base Timer 5
Watchdog Timer
Data Automatic Transfer
Port A
9
8
7
6
5
10
1
47
52
53
54
55
56
Port 5
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
80
79
78
77
76
75
74
73
4
3
2
P60, A0
P61, A1
P62, A2
P63, A3
P64, A4
P65, A5
P66, A6
P67, A7
P70, A8
P71, A9
P72, A10
P73, A11
P74, A12
P75, A13
P76, A14
P77, A15
P80, LED0, D0
P81, LED1, D1
P82, LED2, D2
P83, LED3, D3
P84, LED4, D4
P85, LED5, D5
P86, LED6, D6
P87, LED7, D7

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