Pin Functions - Renesas H8S Series Hardware Manual

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).
φ
PF7/ : The pin function is switched as shown below according to bit PF7DDR.
PF7DDR
Pin function
PF6: The pin function is switched as shown below according to bit PF6DDR.
PF6DDR
Pin function
PF5: The pin function is switched as shown below according to bit PF5DDR.
PF5DDR
Pin function
PF4: The pin function is switched as shown below according to bit PF4DDR.
PF4DDR
Pin function
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
Pin function
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.
0
PF7 input
0
PF6 input
0
PF5 input
0
PF4 input
0
PF3 input
ADTRG input *
1
IRQ3 input *
2
Rev. 6.00 Mar 15, 2006 page 157 of 570
Section 9 I/O Ports
1
φ
output
1
PF6 output
1
PF5 output
1
PF4 output
1
PF3 output
REJ09B0211-0600