Casio ZD-3 Service Manual page 49

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