h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 348

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

Section 9 I/O Ports
Rev. 6.00 Feb 22, 2005 page 288 of 1484
REJ09B0103-0600
Pin
PF3/
A D T R G
PF0/
L W R
I R Q 2
/
I R Q 3
/
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode,
the bus mode, A/D converter bits TRGS1 and TRGS0, and bit PF3DDR.
Notes: 1.
The pin function is switched as shown below according to the bit PF0DDR.
Operating
mode
Bus mode
PF3DDR
Pin function
PF0DDR
Pin function
2. When used as an external interrupt input pin, do not use as an I/O
A D T R G
pin for another function.
L W R
16-bit bus
mode
input when TRGS0 = TRGS1 = 1.
pin
—
output
PF0 input
Modes 4 to 6
PF3 input
0
pin
8-bit bus mode
0
PF3 output
I R Q 2
A D T R G
I R Q 3
pin
1
input
input pin *
input pin *
PF3 input
PF0 output
pin
0
2
Mode 7
1
1
—
PF3 output
pin
1