Hitachi H8/3637 Hardware Manual page 339

PMR2—Port mode register 2
Bit
IRQ0
Initial value
Read/Write R/W
P2 /IRQ pin function switch
7
0 Functions as P2 input pin
1 Functions as IRQ input pin 1
338
7 6 5
— POF1
0 1 0
—
R/W
P2 /SI pin function switch
P2 /SO pin function switch
3
0 Functions as P2 I/O pin
1 Functions as SO output pin 1
TMIG noise canceller select
0 Noise canceller function not selected
1 Noise canceller function selected
P2 /SO pin PMOS control
3 1
0 CMOS output
1 NMOS open drain output
0
7
0
4 3
NCS SO1
0 0
R/W R/W
P2 /IRQ /ADTRG pin function switch
0
0 Functions as P2 I/O pin
1 Functions as IRQ /ADTRG input pin 1
P2 /SCK pin function switch
1 1
0 Functions as P2 I/O pin
1 Functions as SCK I/O pin
2 1
0 Functions as P2 I/O pin
2
1 Functions as SI input pin
1
1
3
1
H'99
2 1
SI1 SCK1
0 0
R/W R/W
4
0
4
1
1
I/O ports
0
IRQ4
0
R/W