UPD75236 Datasheet, PDF (41/190 Pages) NEC – 4-BIT SINGLE-CHIP MICROCOMPUTER

µPD75236
4. PERIPHERAL HARDWARE FUNCTIONS
4.1 DIGITAL INPUT/OUTPUT PORTS
The µPD75236 employs the memory mapped I/O and all input/output ports are mapped in the data memory
space.
Fig. 4-1 Digital Port Data Memory Address
Address
FF0H
FF1H
FF2H
FF3H
FF4H
FF5H
FF6H
FF7H
FF8H
FF9H
FFAH
FFBH
FFCH
FFDH
FFEH
FFFH
3
P03
P13
P23
P33
P43
P53
P63
P73
P83
P93
P103
P113
P123
P133
P143
P153
2
P02
P12
P22
P32
P42
P52
P62
P72
P82
P92
P102
P112
P122
P132
P142
P152
1
P01
P11
P21
P31
P41
P51
P61
P71
P81
P91
P101
P111
P121
P131
P141
P151
0
P00
P10
P20
P30
P40
P50
P60
P70
P80
P90
P100
P110
P120
P130
P140
P150
Symbol
PORT0
PORT1
PORT2
PORT3
PORT4
PORT5
PORT6
PORT7
PORT8
PORT9
PORT10
PORT11
PORT12
PORT13
PORT14
PORT15
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