CHAPTER 14 PORT FUNCTIONS
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User’s Manual U14492EJ3V0UD
(c) Port 2 function control register (PFC2)
This register can be read/written in 8-bit or 1-bit units. Write 0 in bits 0, 5, and 6.
Caution
When port mode is specified by the port 2 mode control register (PMC2), the setting of
this register is invalid.
7
PFC27
PFC2
6
0
5
0
4
PFC24
3
PFC23
2
PFC22
1
PFC21
0
0
Address
FFFFF464H
Initial value
00H
Bit Position
Bit Name
Function
7
PFC27
Specifies operation mode of P27 pin in control mode.
0: External interrupt request (INTP31) input mode
1: TO3 output mode
4 to 1
PFC24 to
PFC21
Specify operation mode of P24 to P21 pins in control mode.
0: External interrupt request (INTP24 to INTP21) input mode
1: TO24 to TO21 output mode
Содержание V850E/IA1 mPD703116
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