Datasheet

Section 10 I/O Ports
R01UH0309EJ0500 Rev. 5.00 Page 519 of 1408
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*
Input
Pull-up
MOS
Capability
Open
Drain
Output
Capability
5-V
Tolerance
PA7/A23/CS7/IRQ7-A/
SSO0-B
PA7/A23/CS7/IRQ7-A/
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
A19 PA3/A19/SCK4-B PA3/SCK4-B
A18 PA2/A18/RxD4-B PA2/RxD4-B
A17 PA1/A17/TxD4-B PA1/TxD4-B
Port A
General I/O port also
functioning as
address outputs,
interrupt inputs, SSU
I/Os, SCI I/Os, and
bus control signal
outputs
A16 PA0/A16 PA0
⎯
Ο
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/TIOCD
6/TCLKF
TIOCD6/
TCLKF
A10 PB2/A10
PB2/TIOCC
6/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
⎯
A7 PC7/A7
PC7/
TIOCB11
TIOCB11
A6 PC6/A6
PC6/
TIOCA11
TIOCA11
A5 PC5/A5
PC5/
TIOCB10
TIOCB10
A4 PC4/A4
PC4/
TIOCA10
TIOCA10
A3 PC3/A3
PC3/
TIOCD9
TIOCD9
A2 PC2/A2
PC2/
TIOCC9
TIOCC9
A1 PC1/A1
PC1/
TIOCB9
TIOCB9
Port C
General I/O port also
functioning as
address outputs and
TPU I/Os
A0 PC0/A0
PC0/
TIOCA9
TIOCA9
Ο
All output
pin
functions
other than
address
outputs
⎯