Datasheet

Section 10 I/O Ports
R01UH0309EJ0500 Rev. 5.00 Page 515 of 1408
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*
2
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 PG4
All output
pin
functions
other than
BREQO-A
PG3/CS3/RAS3/CAS*
1
PG3
All output
pin
functions
other than
CS3,
RAS3,
and
CAS*
1
PG2/CS2/RAS2/RAS*
1
PG2
All output
pin
functions
other than
CS2,
RAS2,
and
RAS*
1
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
⎯