upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 187

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(3) Port mode register 1 (PM1)
This register sets port 1 input/output in 1-bit units.
When using the P15/TOH0 and P16/TOH1/INTP5 pins for timer output, clear PM15 and PM16 and the output
latches of P15 and P16 to 0.
PM1 can be set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to FFH.
Address: FF21H
Symbol
PM1
PM17
PM1n
7
0
1
After reset: FFH
Output mode (output buffer on)
Input mode (output buffer off)
PM16
6
Figure 8-8. Format of Port Mode Register 1 (PM1)
PM15
CHAPTER 8 8-BIT TIMERS H0 AND H1
5
R/W
P1n pin I/O mode selection (n = 0 to 7)
User’s Manual U16962EJ3V0UD
PM14
4
PM13
3
PM12
2
PM11
1
PM10
0
187