h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 347

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

9.11.3
Port F pins also function as external interrupt input pins (IRQ2 and IRQ3), A/D trigger input pin
(
output pin. The pin functions differ between modes 4 to 6, and mode 7. Port F pin functions are
shown in table 9-20.
Table 9-20 Port F Pin Functions
Pin
PF7/
PF6/
PF5/
PF4/
A D T R G
A S
R D
H W R
) , bus control signal input/output pins (
Pin Functions
Selection Method and Pin Functions
The pin function is switched as shown below according to bit PF7DDR.
The pin function is switched as shown below according to bit PF6DDR.
The pin function is switched as shown below according to the operating mode
and bit PF5DDR.
The pin function is switched as shown below according to the operating mode
and bit PF4DDR.
PF7DDR
Pin function
Operating
Mode
PF6DDR
Pin function
Operating
Mode
PF5DDR
Pin function
Operating
Mode
PF4DDR
Pin function
Modes 4 to 6
Modes 4 to 6
H W R
R D
Modes 4 to 6
output
—
—
output
A S
PF7 input
A S
output
—
0
,
R D
Rev. 6.00 Feb 22, 2005 page 287 of 1484
,
H W R
PF5 input
PF4 input
,
L W R
0
0
) , and the system clock ( )
PF6 input
Mode 7
Mode 7
0
Section 9 I/O Ports
Mode 7
REJ09B0103-0600
output
1
PF5 output
PF4 output
PF6 output
1
1
1