Renesas H8/3847R Series Hardware Manual page 644

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