Datasheet

Appendix B Internal I/O Registers
Rev. 4.00 Sep 27, 2006 page 1024 of 1130
REJ09B0327-0400
SYSCR2—System Control Register 2 H'FF83 HIF
7
KWUL1
0
R/W
6
KWUL0
0
R/W
5
P6PUE
0
R/W
4
—
0
—
3
SDE
0
R/W
0
HI12E
0
R/W
2
CS4E
0
R/W
1
CS3E
0
R/W
Bit
Initial value
Read/Write
Host interface enable
0 Host interface functions
are disabled
1 Host interface functions
are enabled
Shutdown enable
0 Host interface pin shutdown function disabled
1 Host interface pin shutdown function enabled
CS4 enable
0 Host interface pin channel 4
functions disabled
1 Host interface pin channel 4
functions enabled
CS3 enable
0 Host interface pin channel 3
functions disabled
1 Host interface pin channel 3
functions enabled
Port 6 input pull-up extra
0 Standard current specification is selected for port 6 MOS
input pull-up function
1
Current-limit specification is selected for port 6 MOS input
pull-up function
Key wakeup level 1 and 0
0 Standard input level is selected as port 6 input level
Input level 1 is selected as port 6 input level
Input level 2 is selected as port 6 input level
Input level 3 is selected as port 6 input level
0
1
10
1