User’s Manual U11969EJ3V0UM00
355
CHAPTER 12 PORT FUNCTION
(2) Setting input/output mode and control mode
The input/output mode of port 3 is set by port mode register 3 (PM3). The control mode is set by port mode
control register 3 (PMC3).
Port 3 mode register (PM3)
This register can be read/written in 8- or 1-bit units.
Bit Position
Bit Name
Function
6 to 0
PM3n
Port Mode
(n = 6 to 1)
Sets P3n pin in input/output mode.
0: Output mode (output buffer ON)
1: Input mode (output buffer OFF)
7
1
PM3
6
PM36
5
PM35
4
PM34
3
PM33
2
PM32
1
PM31
0
PM30
Address
FFFFF026H
After reset
FFH
Содержание V854 UPD703006
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