Chapter 7
I/O Port
VII - 10 Control Registers
7.2.2 Control Registers
■ Port 1 Output Register (P1OUT: 0x0000A001) [8-bit access register]
■ Port 1 Input Register (P1IN: 0x0000A011) [8-bit access register]
bp 76543210
Flagº P17O P16O Reser
ved
P14O P13O P12O P11O P10O
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Flag Description Set condition
7-6
P17O
to
P16O
Output data Output data
5 Reserved - Write "0"
4-0
P14O
to
P10O
Output data
Output data
bp 76543210
Flag P17I P16I Reser
ved
P14I P13I P12I P11I P10I
At reset xxxxxxxx
Access RRRRRRRR
bp Flag Description Set condition
7-6
P17I
to
P16I
Input data Input data
5 Reserved - "0" is read out
4-0
P14I
to
P10I
Input data Input data