Datasheet
Section 10 I/O Ports 
R01UH0310EJ0500 Rev. 5.00    Page 513 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
PF7/φ PF7/φ  ⎯ 
PF6/AS/AH PF6 
All output 
pin 
functions 
other than 
AS and AH 
RD PF5 
All output 
pin 
functions 
other than 
RD 
HWR PF4 
All output 
pin 
functions 
other than 
HWR 
PF3/LWR/SSO0-C PF3/SSO0-C 
⎯ 
All output 
pin 
functions 
other than 
LWR 
PF2/LCAS*
2
/DQML*
1
/IRQ15-A/SSI0-C 
PF2/IRQ15-A/
SSI0-C 
IRQ15-A 
All output 
pin 
functions 
other than 
LCAS*
2
 and 
DQML*
1
PF1/UCAS*
2
/DQMU*
1
/IRQ14-A/SSCK0-C 
PF1/IRQ14-A/
SSCK0-C 
IRQ14-A 
All output 
pin 
functions 
other than 
UCAS*
2
and 
DQMU*
1
Port F 
General I/O port 
also functioning 
as interrupt 
inputs, bus 
control signal 
I/Os, 
SSU I/Os, and 
A/D converter 
inputs 
PF0/WAIT-A/ADTRG0-B/SCS0-C 
PF0/ 
ADTRG0-B/ 
SCS0-C 
⎯ 
⎯ 
All output 
pin 
functions 
⎯ 










