Datasheet

Section 8 I/O Ports
Rev.7.00 Dec. 24, 2008 Page 266 of 698
REJ09B0074-0700
Table 8.87 PF1 Pin Function
Operating Mode Modes 4 to 6 Mode 7
BRLE 0 1 ⎯
PF1DDR 0 1 ⎯ 0 1
Pin Function PF1
input pin
PF1
output pin
BACK
output pin
PF1
input pin
PF1
output pin
Table 8.88 PF0 Pin Function
Operating Mode Modes 4 to 6 Mode 7
BRLE 0 1 ⎯
PF0DDR 0 1 ⎯ 0 1
PF0
input pin
PF0
output pin
BREQ
input pin
PF0
input pin
PF0
output pin
Pin Function
IRQ2 input pin*
Note: * When this pin is used as an external interrupt input pin, this pin must not be used as an I/O
pin for another function.
Pin Functions of H8S/2212 Group
The port F is a 3-bit I/O port. Port F pins also function as external interrupt input (IRQ2, IRQ3)
pins and system clock output (φ) pins. The correspondence between the register specification and
the pin functions is shown below.
Table 8.89 PF7 Pin Function
PF7DDR 0 1
PF7OUT2 to PF7OUT0 ⎯ B'000 B'001 B'010 B'011
Pin Function PF7 input pin φ output pin φ/2 output pin φ/3 output pin φ/4 output pin