NEC V850ES/KE1+ User Manual page 75

(4) Port n function control register (PFCn)
PFCn is a register that specifies the alternate function to be used when one pin has two or more alternate
functions.
Each bit of the PFCn register corresponds to one pin of port n and can be specified in 1-bit units.
After reset: 00H
PFCn
PFCn7
PFCnm
0
1
(5) Port n function control expansion register (PFCEn)
PFCEn is a register that specifies the alternate function to be used when one pin has three or more alternate
functions.
Each bit of the PFCEn register corresponds to one pin of port n and can be specified in 1-bit units.
After reset: 00H
PFCEn PFCEn7 PFCEn6
PFCn PFCn7
PFCEnm
0
0
1
1
CHAPTER 4 PORT FUNCTIONS
R/W
PFCn6 PFCn5 PFCn4
Specification of alternate function
Alternate function 1
Alternate function 2
R/W
PFCEn5 PFCEn4
PFCn6 PFCn5 PFCn4
PFCnm Specification of alternate function
0 Alternate function 1
1
Alternate function 2
0
Alternate function 3
1 Alternate function 4
User's Manual U16896EJ2V0UD
PFCn3 PFCn2 PFCn1
PFCEn3 PFCEn2 PFCEn1
PFCn3 PFCn2 PFCn1
PFCn0
PFCEn0
PFCn0
75