Datasheet

Section 10 I/O Ports
Rev.7.00 Mar. 18, 2009 page 532 of 1136
REJ09B0109-0700
• PF4/HWR
The pin function is switched as shown below according to the operating mode, bit EXPE, and
bit PF4DDR.
Operating
mode
1, 2, 4 7
EXPE ⎯ 0 1
PF4DDR ⎯ 0 1 ⎯
Pin function HWR output PF4 input PF4 output HWR output
• PF3/LWR
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
LWROE, and bit PF3DDR.
Operating
mode
1, 2, 4 7
EXPE ⎯ 0 1
LWROD 1 0 ⎯ 1 0
PF3DDR ⎯ 0 1 0 1 ⎯ 0 1
Pin function LWR
output
PF3
input
PF3
output
PF3 input PF3
output
LWR output PF3 input PF3 output