HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 474

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

PMR3—Port mode register 3
PMR7—Port mode register 7
470
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
—
—
—
—
7
1
7
0
—
—
—
—
6
1
6
0
P2
0 Functions as P2
1
2
/TXD pin function switch (TXD)
Functions as TXD output pin
P3
0 Functions as P3
1
—
—
—
—
5
1
5
0
2
/SO
Functions as SO
P3
1
0 Functions as P3
1
pin function switch
1
P3
—
—
—
—
/SI
4
1
0 CMOS output
1
4
0
Functions as SI
2
2
1
/SO
P3
NMOS open-drain output
I/O pin
pin function switch
0 Functions as P3
1
0
1
/SCK
Functions as SCK
pin PMOS control
2
1
—
—
—
—
3
1
3
0
I/O pin
output pin
1
pin function switch
H'FFFD
H'FFFF
1
1
input pin
I/O pin
TXD
SO1
R/W
R/W
2
0
2
0
0
I/O pin
1
I/O pin
R/W
SI1
—
—
1
0
1
0
POF1
SCK1
I/O ports
I/O ports
R/W
R/W
0
0
0
0