HD6417750RF240V Datasheet, PDF (193/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 9 I/O Ports
9.8.4 Pin Functions
Port F is an 8-bit I/O port. Port F pins also function as external interrupt input, IRQ2 and IRQ3,
A/D trigger input (ADTRG), and system clock output (φ).
PF7/ φ: The pin function is switched as shown below according to bit PF7DDR.
PF7DDR
Pin function
0
PF7 input
1
φ output
PF6: The pin function is switched as shown below according to bit PF6DDR.
PF6DDR
Pin function
0
PF6 input
1
PF6 output
PF5: The pin function is switched as shown below according to bit PF5DDR.
PF5DDR
Pin function
0
PF5 input
1
PF5 output
PF4: The pin function is switched as shown below according to bit PF4DDR.
PF4DDR
Pin function
0
PF4 input
1
PF4 output
PF3/ADTRG/IRQ3: 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.
PF3DDR
0
1
Pin function
PF3 input
PF3 output
ADTRG input^*1
IRQ3 input^*2
Notes: 1. ADTRG input when TRGS0 = TRGS1 = 1.
2. When used as an external interrupt input pin, do not use as an I/O pin for another
function.
Rev. 7.00 Sep. 11, 2009 Page 157 of 566
REJ09B0211-0700