r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 529

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Port
Port 5
Port 8
Port 9
Description
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
control signal I/Os
General I/O port also
functioning as PPG
outputs,
TPU I/Os,
TMR I/Os, and
SCI I/Os
Dedicated input port
also functioning as
A/D converter
analog inputs and
D/A converter
analog outputs
2
C I/Os, and bus
Mode 1
P53/IRQ3-A /ADTRG0-A
P52/BACK-B/IRQ2-A /PO4-B/TIOCA4-B/TMO0-B/
SCK2
P51/BREQ-B/IRQ1-A/PO2-B/TIOCC3-B/TMCI0-B/
RxD2/SCL3
P50/BREQO-B/IRQ0-A/PO0-B/TIOCA3-B/TMRI0-B/
TxD2/SDA3
P85/PO5-B/TIOCB4-B/TMO1-B/SCK3
P83/PO3-B/TIOCD3-B/ TMCI1-B/RxD3
P81/PO1-B/TIOCB3-B/ TMRI1-B/TxD3
P95/AN13_1/DA3
P94/AN12_1/DA2
Mode 2
Mode 4
EXPE = 1
Rev. 1.00 Sep. 19, 2008 Page 499 of 1342
Mode 7
EXPE = 0
P52/IRQ2-A/PO4-B/
TIOCA4-B/TMO0-B/
SCK2
P51/IRQ1-A/PO2-B/
TIOCC3-B/TMCI0-B/
RxD2/SCL3
P50/IRQ0-A/PO0-B/
TIOCA3-B/TMRI0-B/
TxD2/SDA3
Section 10 I/O Ports
REJ09B0467-0100
Input/
Output Type
Schmitt-triggered
inputs when used
as IRQ inputs.
Only P50 and P51
are Schmitt-
triggered inputs
when used as I
inputs.
Open-drain output
capability.
Only P50 to P52
are Schmitt-
triggered inputs
when used as TPU
inputs.
Only P50 and P51
are Schmitt-
triggered inputs
when used as 8-bit
timer inputs.
P50 and P51 have
5-V tolerance.
Open-drain output
capability.
Only P81, P83, and
P85 are Schmitt-
triggered inputs
when used as TPU
inputs.
Only P81 and P83
are Schmitt-
triggered inputs
when used as 8-bit
timer inputs.
P81 and P83 have
5-V tolerance.
2
C