
Appendix B Internal I/O Registers
Rev. 6.00 Sep 12, 2006 page 492 of 526
REJ09B0326-0600
PMR3—Port mode register 3
H'FFFD
I/O ports
Bit
Initial value
Read/Write
7
—
0
—
6
—
0
—
4
—
0
—
3
—
0
—
0
SCK1
0
R/W
2
SO1
0
R/W
1
SI1
0
R/W
5
—
0
—
P3
0
/SCK
1
pin function switch
0
Functions as P3
0
I/O pin
Functions as SCK
1
I/O pin
1
P3
2
/SO
1
pin function switch
0
Functions as P3
2
I/O pin
Functions as SO
1
output pin
1
P3
1
/SI
1
pin function switch
0
Functions as P3
1
I/O pin
Functions as SI
1
input pin
1
PMR7—Port mode register 7
H'FFFF
I/O ports
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
1
—
3
—
1
—
0
POF1
0
R/W
2
TXD
0
R/W
1
—
0
—
P3
2
/SO
1
pin PMOS control
0
CMOS output
NMOS open-drain output
1
P2
2
/TXD pin function switch (TXD)
0
Functions as P2
2
I/O pin
Functions as TXD output pin
1
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...