Datasheet

Section 10 I/O Ports
Page 514 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
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/DQML*
1
/IRQ15-A/SSI0-C
PF2/
IRQ15-A/
SSI0-C
IRQ15-A
All output
pin
functions
other than
LCAS and
DQML*
1
PF1/UCAS/DQMU*
1
/IRQ14-A/SSCK0-C
PF1/
IRQ14-A/
SSCK0-C
IRQ14-A
All output
pin
functions
other than
UCAS 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
⎯