Appendix B Internal I/O Registers
Rev.3.00 Jul. 19, 2007 page 497 of 532
REJ09B0397-0300
PUCR1—Port pull-up control register 1
H'E0
I/O ports
Bit
Initial value
Read/Write
7
PUCR1
7
0
R/W
6
PUCR1
6
0
R/W
5
PUCR1
5
0
R/W
4
PUCR1
4
0
R/W
3
PUCR1
3
0
R/W
0
PUCR1
0
0
R/W
2
PUCR1
2
0
R/W
1
PUCR1
1
0
R/W
*
*
*
Note:
*
PUCR1
6
, PUCR1
4
, and PUCR1
3
are functions of the H8/3857 Group only.
In the H8/3854 Group these bits are reserved, and must always be cleared to 0.
PUCR3—Port pull-up control register 3
H'E1
I/O ports
(H8/3857 Group only)
Bit
Initial value
Read/Write
7
PUCR3
0
R/W
6
PUCR3
0
R/W
5
PUCR3
0
R/W
4
PUCR3
0
R/W
3
PUCR3
0
R/W
0
PUCR3
0
R/W
2
PUCR3
0
R/W
1
PUCR3
0
R/W
3
0
2
1
4
5
6
7
PUCR5—Port pull-up control register 5
H'E2
I/O ports
Bit
Initial value
Read/Write
7
PUCR5
0
R/W
6
PUCR5
0
R/W
5
PUCR5
0
R/W
4
PUCR5
0
R/W
3
PUCR5
0
R/W
0
PUCR5
0
R/W
2
PUCR5
0
R/W
1
PUCR5
0
R/W
3
0
2
1
4
5
6
7
PCR1—Port control register 1
H'E4
I/O ports
Bit
Initial value
Read/Write
7
PCR1
7
0
W
6
PCR1
6
*
0
W
5
PCR1
5
0
W
4
PCR1
4
*
0
W
3
PCR1
3
*
0
W
0
PCR1
0
0
W
2
PCR1
2
0
W
1
PCR1
1
0
W
Port 1 input/output select
0
Input pin
1
Output pin
Note:
*
PCR1
6
, PCR1
4
, and PCR1
3
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...
Page 234: ...8 I O Ports Rev 3 00 Jul 19 2007 page 208 of 532 REJ09B0397 0300...
Page 274: ...9 Timers Rev 3 00 Jul 19 2007 page 248 of 532 REJ09B0397 0300...
Page 352: ...12 A D Converter Rev 3 00 Jul 19 2007 page 326 of 532 REJ09B0397 0300...
Page 561: ......
