
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15905EJ2V1UD
116
(d) Port function control register 4 (PFC4)
This 8-bit register specifies control mode 1 or control mode 2.
It can be read or written in 8-bit or 1-bit units.
PFC4
After reset: 00H
R/W
Address: FFFFF468H
0
PFC46
0
PFC44
0
PFC42
PFC41
0
INTP11 input
TO1 outputNote 1
PFC46
0
1
Specifies operation mode of P46 pin in control mode
INTP01 input
TO0 outputNote 1
PFC44
0
1
Specifies operation mode of P44 pin in control mode
SCK0 I/O
SCL I/ONote 2
PFC42
0
1
Specifies operation mode of P42 pin in control mode
SO0 output
SDA I/ONote 2
PFC41
0
1
Specifies operation mode of P41 pin in control mode
Notes 1. Setting of PCF44 and PCF46 = 1 is enabled only when TOn output is enabled (ENTOn of TMCn1
register = 1: n = 0 or 1). Otherwise, this setting is prohibited.
2.
PD703200Y, 703201Y, 703204Y, 70F3201Y, and 70F3204Y only
Caution
The PFC4n bit is valid only when the PMC4n bit = 1 (n = 1, 2, 4, or 6).