NEC V850ES/KE1+ User Manual page 74

(2) Port n mode register (PMn)
PMn specifies the input mode/output mode of the port.
Each bit of the PMn register corresponds to one pin of port n and can be specified in 1-bit units.
After reset: FFH
PMn
PMn7
PMnm
(3) Port n mode control register (PMCn)
PMCn specifies the port mode/alternate function.
Each bit of the PMCn register corresponds to one pin of port n and can be specified in 1-bit units.
After reset:
PMCn
PMCn7
PMCnm
74
CHAPTER 4 PORT FUNCTIONS
R/W
PMn6 PMn5
0 Output mode
1
Input mode
00H R/W
PMCn6 PMCn5
Specification of operation mode
0
Port mode
1
Alternate function mode
User's Manual U16896EJ2V0UD
PMn4 PMn3 PMn2
Control of I/O mode
PMCn4 PMCn3 PMCn2
PMn1 PMn0
PMCn1 PMCn0