Datasheet

Appendix B Internal I/O Registers
Rev. 6.00 Aug 04, 2006 page 606 of 680
REJ09B0145-0600
PMR2—Port Mode Register 2 H'C9 I/O port
•
••
• H8/3847R Group and H8/3847S Group
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
4
—
1
—
3
—
1
—
0
SCK1
0
R/W
2
SO1
0
R/W
1
SI1
0
R/W
5
POF1
0
R/W
P2
0
/SCK
1
pin function switch
0 Functions as P2
0
I/O pin
Functions as SCK
1
I/O pin
1
P2
2
/SO
1
pin function switch
0 Functions as P2
2
I/O pin
Functions as SO
1
output pin
1
P2
1
/SI
1
pin function switch
0 Functions as P2
1
I/O pin
Functions as SI
1
input pin
1
P2
2
/SO
1
pin PMOS control
0 CMOS output
NMOS open-drain output
1