M16C Datasheet, PDF (191/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 6N Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Programmable I/O Port
Port control register
b7 b6 b5 b4 b3 b2 b1 b0
Symbpl
PCR
Address
03FF16
When reset
0016
Bit symbol
Bit name
PCR0
Port P1 control register
Function
0 : When input port, read port
input level. When output port,
read the contents of port P1
register.
1 : Read the contents of port P1
register though input/output
port.
Nothing is assigned.
Theses bits can neither be set nor reset. When read, their contents are 0 .
RW
Figure 19-9. Port control register
191