Hitachi H8/500 Series

Bit 76543210
P1
7DDR P16DDR P15DDR P14DDR P13DDR P12DDR P11DDR P10DDR
Initial value 00000000
Read/Write WWWWWWWW
P1DR—Port 1 Data Register H'FF82 Port 1
Bit 76543210
P1
7 P16 P15 P14 P13 P12 P11 P10
Initial value 000000——
Read/Write R/W R/W R/W R/W R/W R/W R R
Port 1 Input/Output Selection
0 Input port
1 Output port
P1DDR—Port 1 Data Direction Register H'FF80 Port 1
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