Datasheet

Section 10 I/O Ports
Page 522 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Mode 3, 7
Port Description Mode 1 Mode 2 Mode 4
EXPE = 1 EXPE = 0
Schmitt-
triggered
input Pin*
Input
Pull-up
MOS
Capability
Open
Drain
Output
Capability
5-V
Tolerance
PG6/BREQ-A PG6
All output
pin
functions
PG5/BACK-A PG5
All output
pin
functions
other than
BACK-A
PG4/BREQO-A/CS4 PG4
All output
pin
functions
other than
BREQO-A
and CS4
PG3/CS3/RAS3 PG3
All output
pin
functions
other than
CS3 and
RAS3
PG2/CS2/RAS2 PG2
All output
pin
functions
other than
CS2 and
RAS2
PG1/CS1 PG1
All output
pin
functions
other than
CS1
Port G
General I/O port also
functioning as bus
control signal I/Os
PG0/CS0 PG0
⎯ ⎯
All output
pin
functions
other than
CS0
⎯
Note: * Pins other than Schmitt triggered input pins are CMOS input pins.