Datasheet

Section 10 I/O Ports
Page 510 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*
3
Input Pull-
up MOS
Capability
Open Drain
Output
Capability
5-V
Tolerance*
2
P53/IRQ3-A/ADTRG0-A IRQ3-A
All output
pin
functions
P52/BACK-B/IRQ2-A/PO4-B/TIOCA4-B/
TMO0-B/SCK2
P52/IRQ2-A/
PO4-B/
TIOCA4-B/
TMO0-B/
SCK2
IRQ2-A,
TIOCA4-B
All output
pin
functions
other than
BACK-B
⎯
P51/BREQ-B/IRQ1-A/PO2-B/TIOCC3-B/
TMCI0-B/RxD2/SCL3
P51/IRQ1-A/
PO2-B/
TIOCC3-B/
TMCI0-B/
RxD2/SCL3
IRQ1-A,
TIOCC3-B,
TMCI0-B,
SCL3
All output
pin
functions
Port 5
General I/O port
also functioning
as interrupt
inputs,
A/D converter
inputs, SCI I/Os,
PPG outputs,
TPU I/Os, TMR
I/Os,
I
2
C I/Os, bus
control signal
I/Os
P50/BREQO-B/IRQ0-A/PO0-B/TIOCA3-B/
TMRI0-B/TxD2/SDA3
P50/IRQ0-A/
PO0-B/
TIOCA3-B/
TMRI0-B/
TxD2/SDA3
IRQ0-A,
TIOCA3-B,
TMRI0-B,
SDA3
⎯
All output
pin
functions
other than
BREQO-B
O
P65/IRQ13-A/DACK1/TMO1-A IRQ13-A
P64/IRQ12-A/DACK0/TMO0-A IRQ12-A
P63/IRQ11-A/TEND1/TMCI1-A
IRQ11-A,
TMCI1-A
P62/IRQ10-A/TEND0/TMCI0-A
IRQ10-A,
TMCI0-A
P61/IRQ9-A/DREQ1/TMRI1-A
IRQ9-A,
TMRI1-A
Port 6
General I/O port
also functioning
as interrupt
inputs, TMR I/Os,
and DMAC I/Os
P60/IRQ8-A/DREQ0/TMRI0-A
IRQ8-A,
TMRI0-A
⎯
All output
pin
functions
⎯
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
⎯