HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 599

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

10.14.4 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
• PF6/AS
• PF5/RD
Operating
mode
PF7DDR
Pin function
Operating
mode
EXPE
ASOE
PF6DDR
Pin function AS output PF6 input
Operating
mode
EXPE
PF5DDR
Pin function
The pin function is switched as shown below according to bit PF7DDR.
The pin function is switched as shown below according to the operating mode, bit EXPE, bit
ASOE, and bit PF6DDR.
The pin function is switched as shown below according to the operating mode, bit EXPE, and
bit PF5DDR.
⎯
RD output
1
1, 2, 4
⎯
⎯
1, 2, 4
⎯
0
PF7 input
0
0
output
PF6
PF5 input
1
0
PF6 input
0
1, 2, 4, 7
0
⎯
0
Rev.7.00 Mar. 18, 2009 page 531 of 1136
PF5 output
output
PF6
1
1
7
AS output PF6 input
⎯
1
7
φ output
1
Section 10 I/O Ports
REJ09B0109-0700
RD output
1
0
⎯
1
0
output
PF6
1