Pin Functions - Renesas H8S/2368 Series Hardware Manual

9.14.4

Pin Functions

Port G pins also function as the pins for bus control signal I/Os. The correspondence between the
register specification and the pin functions is shown below.
•
PG6/BREQ
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
BRLE, and bit PG6DDR.
Operating
mode
EXPE
BRLE
PG6DDR 0
Pin PG6 input
function
•
PG5/BACK
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
BRLE, and bit PG5DDR.
Operating
mode
EXPE
BRLE
PG5DDR 0
Pin PG5 input
function
1, 2, 4
—
0 1
1 —
BREQ
PG6
output input
1, 2, 4
—
0 1
1 —
BACK
PG5
output output
0
—
0 1
PG6 input PG6
output
0
—
0 1
PG5 input PG5
output
Rev. 2.00, 05/03, page 371 of 820
7
1
0
0 1
PG6 input PG6
output
7
1
0
0 1
PG5 input PG5
output
1
—
BREQ
input
1
—
BACK
output