Pin Functions - Renesas H8S/2368 Series Hardware Manual

9.13.4

Pin Functions

Port F pins also function as the pins for external interrupt inputs, bus control signal I/Os, and
system clock outputs (φ). The correspondence between the register specification and the pin
functions is shown below.
•
PF7/φ
The pin function is switched as shown below according to bit PF7DDR.
Operating
mode
PFDDR
Pin function
•
PF6/AS
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
ASOE, and bit PF6DDR.
Operating
mode
EXPE
ASOE 1
PF6DDR —
Pin function AS output PF6 input
•
PF5/RD
The pin function is switched as shown below according to the operating mode, bit EXPE, and bit
PF5DDR.
Operating
mode
EXPE
PF5DDR
RD output
Pin function
0
PF7 input
1, 2, 4
—
0
0 1
PF6
output
1, 2, 4
—
—
PF5 input
1, 2, 4, 7
0
—
0 1
PF6 input PF6
output
0
0
PF5 output
Rev. 2.00, 05/03, page 365 of 820
1
φ output
7
1
1
— 0
AS output PF6 input
7
1 —
RD output
0
1
PF6
output
1