Datasheet

V850ES/JG3 CHAPTER 4 PORT FUNCTIONS
R01UH0015EJ0300 Rev.3.00 Page 66 of 870
Sep 30, 2010
(2) Port n mode register (PMn)
The PMn register specifies the input or output mode of the corresponding port pin.
Each bit of this register corresponds to one pin of port n, and the input or output mode can be specified in 1-bit
units.
PMn7
Output mode
Input mode
PMnm
0
1
Control of input/output mode
PMn6 PMn5 PMn4 PMn3 PMn2 PMn1 PMn0
PMn
After reset: FFH R/W
(3) Port n mode control register (PMCn)
The PMCn register specifies the port mode or alternate function.
Each bit of this register corresponds to one pin of port n, and the mode of the port can be specified in 1-bit units.
Port mode
Alternate function mode
PMCnm
0
1
Specification of operation mode
PMCn7 PMCn6 PMCn5 PMCn4 PMCn3 PMCn2 PMCn1 PMCn0
PMCn
After reset: 00H R/W