Datasheet
Section 10 I/O Ports
Page 518 of 1384 R01UH0310EJ0500 Rev. 5.00
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*
2
Input Pull-
up MOS
Capability
Open Drain
Output
Capability
5-V
Tolerance*
1
PA7/A23/CS7/
IRQ7-A/SSO0-B
PA7/A23/CS7/IRQ7A/
SSO0-B
PA7/IRQ7-A/
SSO0-B
IRQ7-A
PA6/A22/IRQ6-A/
SSI0-B
PA6/A22/IRQ6-A/
SSI0-B
PA6/IRQ6-A/
SSI0-B
IRQ6-A
PA5/A21/IRQ5-A/
SSCK0-B
PA5/A21/IRQ5-A/
SSCK0-B
PA5/IRQ5-A/
SSCK0-B
IRQ5-A
A20/IRQ4-A
PA4/A20/IRQ4-A/
SCS0-B
PA4/IRQ4-A/
SCS0-B
IRQ4-A
Port A
General I/O port
also functioning
as address
outputs, SSU
I/Os, SCI I/Os,
and bus control
signal outputs
A19
A18
A17
A16
PA3/A19/SCK4-B
PA2/A18/RxD4-B
PA1/A17/TxD4-B
PA0/A16
PA3/SCK4-B
PA2/RxD4-B
PA1/TxD4-B
PA0
⎯
O
All output
pin
functions
other than
address
outputs and
CS7
⎯
A15 PB7/A15
PB7/TIOCB8/
TCLKH
TIOCB8/
TCLKH
A14 PB6/A14 PB6/TIOCA8 TIOCA8
A13 PB5/A13
PB5/TIOCB7/
TCLKG
TIOCB7/
TCLKG
A12 PB4/A12 PB4/TIOCA7 TIOCA7
A11 PB3/A11
PB3/TIOCD6/
TCLKF
TIOCD6/
TCLKF
A10 PB2/A10
PB2/TIOCC6/
TCLKE
TIOCC6/
TCLKE
A9 PB1/A9 PB1/TIOCB6 TIOCB6
Port B
General I/O port
also functioning
as address
outputs and TPU
I/Os
A8 PB0/A8 PB0/TIOCA6 TIOCA6
Ο
All output
pin
functions
other than
address
outputs
⎯
Port C
General I/O port
also functioning
as address
outputs and TPU
I/Os
A7
A6
A5
A4
A3
A2
A1
A0
PC7/A7
PC6/A6
PC5/A5
PC4/A4
PC3/A3
PC2/A2
PC1/A1
PC0/A0
PC7/TIOCB11
PC6/TIOCA11
PC5/TIOCB10
PC4/TIOCA10
PC3/TIOCD9
PC2/TIOCC9
PC1/TIOCB9
PC0/TIOCA9
TIOCB11
TIOCA11
TIOCB10
TIOCA10
TIOCD9
TIOCC9
TIOCB9
TIOCA9
Ο
All output
pin
functions
other than
address
outputs
⎯
Port D
General I/O port
also functioning
as data I/Os and
address outputs
D15/AD15
D14/AD14
D13/AD13
D12/AD12
D11/AD11
D10/AD10
D9/AD9
D8/AD8
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
⎯ Ο
All output
pin
functions
other than
data
outputs and
address
outputs
⎯