Datasheet

Section 10 I/O Ports
Page 518 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*
Input
Pull-up
MOS
Capability
Open
Drain
Output
Capability
5-V
Tolerance
Port 4
General I/O port also
functioning as A/D
converter analog
inputs and interrupt
inputs
P47/IRQ7-B/AN7_0
P46/IRQ6-B/AN6_0
P45/IRQ5-B/AN5_0
P44/IRQ4-B/AN4_0
P43/IRQ3-B/AN3_0
P42/IRQ2-B/AN2_0
P41/IRQ1-B/AN1_0
P40/IRQ0-B /AN0_0
IRQ7-B
IRQ6-B
IRQ5-B
IRQ4-B
IRQ3-B
IRQ2-B
IRQ1-B
IRQ0-B
⎯ ⎯ ⎯
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, and JTAG
inputs
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
P85/PO5-B/TIOCB4-B/TMO1-B/SCK3 TIOCB4-B ⎯
P83/PO3-B/TIOCD3-B/TMCI1-B/RxD3
TIOCD3-B,
TMCI1-B
Ο
Port 8
General I/O port also
functioning as PPG
outputs, TPU I/Os,
TMR I/Os, SCI I/Os
and interrupt inputs
P81/PO1-B/TIOCB3-B/ TMRI1-B/TxD3
TIOCB3-B,
TMRI1-B
⎯
All output
pin
functions
Ο
Port 9
Dedicated input port
also functioning as
A/D converter analog
inputs and D/A
converter analog
outputs
P95/AN13_1/DA3
P94/AN12_1/DA2
⎯ ⎯ ⎯ ⎯