Datasheet

V850ES/JG3 CHAPTER 4 PORT FUNCTIONS

R01UH0015EJ0300 Rev.3.00 Page 68 of 870

Sep 30, 2010

(6) Port n function register (PFn)

The PFn register specifies normal output or N-ch open-drain output.

Each bit of this register corresponds to one pin of port n, and the output mode of the port pin can be specified in 1-

bit units.

PFn7 PFn6 PFn5 PFn4 PFn3 PFn2 PFn1 PFn0

Normal output (CMOS output)

N-ch open-drain output

PFnm

Note

Control of normal output/N-ch open-drain output

PFn

After reset: 00H R/W

Note The PFnm bit of the PFn register is valid only when the PMnm bit of the PMn register is 0 (when the

output mode is specified) in port mode (PMCnm bit = 0). When the PMnm bit is 1 (when the input mode

is specified), the set value of the PFn register is invalid.