upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 124

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

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This register sets port 0 input/output in 1-bit units.
When using the P01/TO00/TI010 pin for timer output, set PM01 and the output latches of P01 6 to 0.
When using the P00/TI000 and P01/TO00/TI010 pins for timer input, set PM00 and PM01 to 1. At this time, the
output latches of P00 and P01 may be 0 or 1.
PM0 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets PM0 to FFH.
Port mode register 0 (PM0)
Address: FF20H
Symbol
Figure 6-10. Format of Port Mode Register 0 (PM0)
PM0
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
PM0n
7
1
0
1
Preliminary User’s Manual U19014EJ1V0UD
Output mode (output buffer on)
Input mode (output buffer off)
6
1
After reset: FFH
P0n pin I/O mode selection (n = 0, 1)
5
1
4
1
R/W
3
1
2
1
PM01
1
PM00
0