hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 632

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
PMR2—Port Mode Register 2
Rev. 7.00 Mar 10, 2005 page 590 of 652
REJ09B0042-0700
Bit
Initial value
Read/Write
Note: * On the H8/38124 Group the clock source can be selected using the TMW register.


7
1


6
1
POF1
R/W
P3
5
0
0 CMOS output
1 NMOS open-drain output
5
Pin Output Buffer PMOS On/Off Control
Watchdog Timer Switch
0 Selects φ8192 *
1 Selects φ


4
1
TMIG Noise Canceller Select
0 Noise cancellation function not used
1 Noise cancellation function used


3
1
W
H'C9
P4
/32
0 Functions as P4
1 Functions as IRQ
3
/IRQ0 Pin Function Switch
WDCKS
R/W
2
0
NCS
R/W
1
0
3
0
I/O pin
input pin
IRQ0
R/W
I/O Port
0
0