Renesas H8/3847R Series Hardware Manual page 645

• • • • H8/38347 Group and H8/38447 Group
Bit 7
EXCL
Initial value 0
Read/Write R/W
P3
0 Functions as P3
1
6 5
— POF1
1 0
— R/W
P2 /SO
2
0 CMOS output
1
/UD/EXCL pin function switch
1
/UD I/O pin
1
Functions as EXCL input pin
Appendix B Internal I/O Registers
4 3
— —
1 1
— —
P2
0 Functions as P2
1
P2 /SI
1 1
0 Functions as P2
1 Functions as SI
P2 /SO pin function switch
2 1
0 Functions as P2
1 Functions as SO
pin PMOS control
1
NMOS open-drain output
Rev. 6.00 Aug 04, 2006 page 607 of 680
2 1
SO1 SI1
0 0
R/W R/W
/SCK pin function switch
0 1
I/O pin
0
Functions as SCK
1
pin function switch
I/O pin
1
input pin
1
I/O pin
2
output pin
1
REJ09B0145-0600
0
SCK1
0
R/W
I/O pin