Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 4 PORT FUNCTIONS

R01UH0042EJ0500 Rev.5.00 Page 148 of 1513

Aug 12, 2011

(7) Port 9 function register (PF9)

0 0 0 0 0 0 PF91 PF90

00 00 00 0 0

89101112131415

Normal output (CMOS output)

N-ch open-drain output

PF9n

Control of normal output or N-ch open-drain output (n = 0, 1)

PF9

(PF9L)

After reset: 0000H R/W Address:

PF9 FFFFFC72H,

PF9L FFFFFC72H

Caution When output pins P90, P91 are pulled up to EV

DD or higher, be sure to set the PF9n

bit to 1.

Remark The PF9 register can be read or written in 16-bit units.

However, when using the higher 8 bits of the PF9 register as the PF9H register and the

lower 8 bits as the PF9L register, they can be read or written in 8-bit or 1-bit units.