M16C6K9 Datasheet, PDF (234/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Port
Pull-up control register 3
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUR3
Address
02FC16
When reset
0016
Bit symbol
PU30
PU31
PU32
PU33
Bit name
P110 to P113 pull-up
P114 to P117 pull-up
P120 to P123 pull-up
P124 to P127 pull-up
Function
The corresponding port is pulled
high with a pull-up resistor
0 : Not pulled high
1 : Pulled high
Nothing is assigned.
Can't write to this bit. The value, if read, turns out to be “0”.
RW
Pull-up control register 4
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUR4
Address
02FD16
When reset
0016
Bit symbol
PU40
PU41
PU42
Bit name
P150 to P153 pull-up
P154 to P157 pull-up
P160, P161 pull-up
Function
The corresponding port is pulled
high with a pull-up resistor
0 : Not pulled high
1 : Pulled high
Nothing is assigned.
Can't write to this bit. The value, if read, turns out to be “0”.
RW
Fig.UA-10 Pull-up control register(2)
Rev.1.00 Jun 06, 2003 page 234 of 290