upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 233

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

(6) Port mode register 1 (PM1)
This register sets port 1 input/output in 1-bit units.
When using the P13/T
When using the P14/R
may be 0 or 1.
PM1 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation 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)
X
X
D6 pin for serial interface data output, clear PM13 to 0 and set the output latch of P13 to 1.
PM16
D6 pin for serial interface data input, set PM14 to 1. The output latch of P14 at this time
6
Figure 10-7. Format of Port Mode Register 1 (PM1)
CHAPTER 10 SERIAL INTERFACE UART6
PM15
5
R/W
Preliminary User’s Manual U19014EJ1V0UD
P1n pin I/O mode selection (n = 0 to 7)
PM14
4
PM13
3
PM12
2
PM11
1
PM10
0
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