Datasheet
Section 10 I/O Ports 
R01UH0310EJ0500 Rev. 5.00    Page 515 of 1384 
Sep 25, 2012     
H8S/2426, H8S/2426R, H8S/2424 Group 
Mode 3, 7 
Port  Description  Mode 1  Mode 2  Mode 4 
EXPE = 1  EXPE = 0 
Schmitt-
triggered 
input Pin*
3
Input Pull-
up MOS 
Capability 
Open Drain 
Output 
Capability 
5-V 
Tolerance*
2
PH3/CS7/OE-A*
2
/CKE-A*
1
/IRQ7-B PH3/IRQ7-B  IRQ7-B 
All output 
pin 
functions 
other than 
CS7, OE-
A*
2
 and 
CKE-A*
1
PH2/CS6/IRQ6-B PH2/IRQ6-B  IRQ6-B 
All output 
pin 
functions 
other than 
CS6 
PH1/CS5/RAS5*
2
/SDRAMφ*
1
PH1/ 
SDRAMφ*
1
All output 
pin 
functions 
other than 
RAS5*
2
 and 
SDRAMφ*
1
Port H 
General I/O port 
also functioning 
as interrupt inputs 
and bus control 
signal I/Os 
PH0/CS4/RAS4*
2
/WE*
1
 PH0 
⎯ 
⎯ 
All output 
pin 
functions 
other than 
RAS4*
2
 and 
WE*
1
⎯ 
PJ2  ⎯ 
PJ1 
Port J  General I/O port 
PJ0 
⎯  ⎯ 
All output 
pin 
functions 
O 
Notes:  1.  Not supported in the H8S/2426 Group. 
  2.  Not supported in the 5-V version. 
  3.  Pins other than Schmitt triggered input pins are CMOS input pins. 










