Chapter 7
I/O Port
VII - 24 Control Registers
■ Port 7 Output Register (P7OUT: 0x0000A007) [8-bit access register]
■ Port 7 Input Register (P7IN: 0x0000A017) [8-bit access register]
■ Port 7 I/O Control Register (P7DIR: 0x0000A027) [8-bit access register]
bp 76543210
Flag Rese
rved
Rese
rved
Rese
rved
Rese
rved
P73O P72O - -
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R R
bp Flag Description Set condition
7-4 Reserved - Write "0"
3-2
P73O
to
P72O
Output data Output data
1-0 - - -
bp 76543210
Flag Rese
rved
Rese
rved
Rese
rved
Rese
rved
P73I P72I - -
At reset xxxxxxxx
Access RRRRRRRR
bp Flag Description Set condition
7-4 Reserved - -
3-2
P73I
to
P72I
Input data Input data
1-0 - - -
bp 76543210
Flag Rese
rved
Rese
rved
Rese
rved
Rese
rved
P73D P72D - -
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R R
bp Flag Description Set condition
7-4 Reserved - Write "0"
3-2
P73D
to
P72D
I/O mode selection 0: Input mode
1: Output mode
1-0 - - -
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