Datasheet

Section 10A I/O Ports
(H8S/2633, H8S/2632, H8S/2631, H8S/2633R)
Page 452 of 1434 R01UH0166EJ0600 Rev. 6.00
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
Pin Selection Method and Pin Functions
PF1/BACK/
BUZZ
The pin function is switched as shown below according to the combination of
the operating mode and bits BRLE, BUZZE, and PF1DDR.
Operating
Mode
Modes 4 to 6 Mode 7
BRLE 0 1 —
BUZZE 0 1 — 0 1
PF1DDR 0 1 — — 0 1 —
Pin function PF1
input
pin
PF1
output
pin
BUZZ
output
pin
BACK
output
pin
PF1
input
pin
PF1
output
pin
BUZZ
output
pin
PF0/BREQ/IRQ2 The pin function is switched as shown below according to the combination of
the operating mode, and bits BRLE and PF0DDR.
Operating
Mode Modes 4 to 6 Mode 7
BRLE 0 1 —
PF0DDR 0 1 — 0 1
Pin function PF0
input pin
PF0
output pin
BREQ
input pin
PF0
input pin
PF0
output pin
IRQ2 input pin