Table of Contents
Advertisement
Port Pull-up Control Register 5 (PUCR5)
Bit
PUCR5
Initial value
Read/Write
R/W
PUCR5 bits control the on/off state of pin P5
0, setting the corresponding PUCR5 bit to 1 turns on the MOS pull-up for the corresponding pin,
while clearing the bit to 0 turns off the MOS pull-up.
Upon reset, PUCR5 is initialized to H'00.
Port Mode Register 5 (PMR5)
Bit
WKP
Initial value
Read/Write
R/W
PMR5 is an 8-bit read/write register, controlling the selection of pin functions for port 5 pins.
Upon reset, PMR5 is initialized to H'00.
Bit n—P5
/WKP
Pin Function Switch (WKPn): This bit selects whether pin P5
n
n
or as WKP
as P5
.
n
n
Bit n: WKPn
Description
0
Functions as P5
Functions as WKP
1
Note: n = 7 to 0
7
6
5
PUCR5
PUCR5
7
6
0
0
0
R/W
R/W
7
6
5
WKP
WKP
7
6
0
0
0
R/W
R/W
I/O pin
n
input pin
n
4
3
PUCR5
PUCR5
5
4
0
0
R/W
R/W
–P5
MOS pull-ups. When a PCR5 bit is cleared to
7
0
4
3
WKP
WKP
5
4
3
0
0
R/W
R/W
Rev.3.00 Jul. 19, 2007 page 199 of 532
8. I/O Ports
2
1
PUCR5
PUCR5
3
2
1
0
0
R/W
R/W
2
1
WKP
WKP
2
1
0
0
R/W
R/W
/WKP
n
(initial value)
REJ09B0397-0300
0
PUCR5
0
0
R/W
0
WKP
0
0
R/W
is used
n
Advertisement
Table of Contents
