Datasheet

Section 10 I/O Ports
Page 512 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
P85/IRQ5-B/PO5-B/TIOCB4-B/TMO1-B/SCK3/
EDACK3
P85/IRQ5-B/
PO5-B/
TIOCB4-B/
TMO1-B/
SCK3
IRQ5-B,
TIOCB4-B
P84/IRQ4-B/EDACK2 P84/IRQ4-B IRQ4-B
P83/IRQ3-B/PO3-B/TIOCD3-B/TMCI1-B/RxD3/
ETEND3
P83/IRQ3-B/
PO3-B/
TIOCD3-B/
TMCI1-B/
RxD3
IRQ3-B,
TIOCD3-B,
TMCI1-B
P82/IRQ2-B/ETEND2 P82/IRQ2-B IRQ2-B
P81/IRQ1-B/PO1-B/TIOCB3-B/ TMRI1-B/TxD3/
EDREQ3
P81/IRQ1-B/
PO1-B/
TIOCB3-B/
TMRI1-B/
TxD3
IRQ1-B,
TIOCB3-B,
TMRI1-B
Port 8
General I/O port also
functioning as
EXDMAC I/Os, PPG
outputs, TPU I/Os,
TMR I/Os, SCI I/Os
and interrupt inputs
P80/IRQ0-B/EDREQ2 P80/IRQ0-B IRQ0-B
⎯
All output
pin
functions
⎯
Port 9
Dedicated input port
also functioning as
A/D converter analog
inputs and D/A
converter analog
outputs
P97/AN15_1
P96/AN14_1
P95/AN13_1/DA3
P94/AN12_1/DA2
P93/AN11_1
P92/AN10_1
P91/AN9_1
P90/AN8_1
⎯ ⎯ ⎯ ⎯
PA7/A23/IRQ7-A/
SSO0-B
PA7/A23/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, and SCI I/Os
A16 PA0/A16 PA0
⎯
Ο
All output
pin
functions
other than
address
outputs
⎯