Datasheet

Section 10 I/O Ports
Page 516 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*
2
Input
Pull-up
MOS
Capability
Open
Drain
Output
Capability
5-V
Tolerance
PH3/CS7/OE-A/CKE-A*
1
/IRQ7-B PH3/IRQ7-B IRQ7-B
All output
pin
functions
other than
CS7, OE-
A and
CKE-A*
1
PH2/CS6/IRQ6-B PH2/IRQ6-B IRQ6-B
All output
pin
functions
other than
CS6
PH1/CS5/RAS5/SDRAMφ*
1
PH1/
SDRAMφ*
All output
pin
functions
other than
RAS5 and
SDRAMφ*
1
Port H
General I/O port also
functioning as
interrupt inputs and
bus control signal
I/Os
PH0/CS4/RAS4/WE*
1
PH0
⎯
⎯
All output
pin
functions
other than
RAS4 and
WE*
1
⎯
PJ2 ⎯
PJ1
Port J General I/O port
PJ0
⎯ ⎯
All output
pin
functions
Ο
Notes: 1. Not supported in the H8S/2456 Group.
2. Pins other than Schmitt triggered input pins are CMOS input pins.