Appendix B Internal I/O Registers
Rev.3.00 Jul. 19, 2007 page 492 of 532
REJ09B0397-0300
PMR2—Port mode register 2
H'C9
I/O ports
Bit
Initial value
Read/Write
7
⎯
1
⎯
6
⎯
1
⎯
5
⎯
0
R/W
4
⎯
0
R/W
3
IRQ0
0
R/W
0
IRQ4
0
R/W
2
POF1
*
0
R/W
1
UD
*
0
R/W
P2 /UD pin fun
c
tion swit
c
h
0
Functions as P2 I/O pin
1
Functions as UD input pin
P3 /SO pin PMOS
c
ontrol
0
CMOS output
1
NMOS open-drain output
P2 /IRQ /ADTRG pin fun
c
tion swit
c
h
1
0
Functions as P2 I/O pin
1
Functions as
IRQ
/
ADTRG
input pin
1
2
0
1
0
4
4
1
P4 /IRQ pin fun
c
tion swit
c
h
1
0
Functions as P4 input pin
1
Functions as
IRQ
input pin
3
3
0
0
Note:
*
POF1 and UD are functions of the H8/3857 Group only.
In the H8/3854 Group these bits are reserved, and must always be cleared to 0.
Summary of Contents for F-ZTAT H8 Series
Page 6: ...Rev 3 00 Jul 19 2007 page iv of xxiv REJ09B0397 0300...
Page 194: ...7 RAM Rev 3 00 Jul 19 2007 page 168 of 532 REJ09B0397 0300...
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