r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 524

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

Section 10 I/O Ports
Table 10.1 Port Functions of H8S/2456 Group and H8S/2456R Group
Rev. 1.00 Sep. 19, 2008 Page 494 of 1342
REJ09B0467-0100
Port
Port 1
Port 2
Port 3
Port 4
Description
General I/O port
also functioning as
PPG outputs,
TPU I/Os,
EXDMAC outputs,
and
SSU I/Os
General I/O port
also functioning as
PPG outputs,
TPU I/Os, interrupt
inputs, SCI I/Os,
I
A/D converter
inputs, bus control
signal I/Os, and
USB I/Os.
General I/O port
also functioning as
SCI I/Os, I
and bus control
signal I/Os
General I/O port
also functioning as
A/D converter
analog inputs.
2
C I/Os,
2
C I/Os,
Mode 1
P17/PO15/TIOCB2/TCLKD/EDRAK3/SCS0-A
P16/PO14/TIOCA2/EDRAK2/SSCK0-A
P15/PO13/TIOCB1/TCLKC/SSI0-A
P14/PO12/TIOCA1/SSO0-A
P13/PO11/TIOCD0/TCLKB
P12/PO10/TIOCC0/TCLKA
P11/PO9/TIOCB0
P10/PO8/TIOCA0
P27/IRQ15-B/PO7/TIOCB5/SCL2
P26/IRQ14-B/PO6/TIOCA5/SDA2/ADTRG1
P25/WAIT-B/IRQ13-B/PO5-A/TIOCB4-A/VBUS
P20/IRQ8-B/PO0-A/TIOCA3-A/PUPD+
P35/OE-B*
P34/SCK0/SCK4-A/SDA0
P33/RxD1/SCL1
P32/RxD0/IrRxD/SDA1
P31/TxD1
P30/TxD0/IrTxD
P47/AN7_0
P46/AN6_0
P45/AN5_0
P44/AN4_0
P43/AN3_0
P42/AN2_0
P41/AN1_0
P40/AN0_0
Mode 2
1
/CKE-B/SCK1/SCL0
Mode 4
EXPE = 1
Mode 7
EXPE = 0
P17/PO15/TIOCB2/
TCLKD/SCS0-A
P16/PO14/TIOCA2/
SSCK0-A
P25/IRQ13-B/PO5-A/
TIOCB4-A/VBUS
P35/SCK1/SCL0
Input/
Output Type
Schmitt-triggered
inputs when used as
general input port
and TPU inputs.
Open-drain output
capability.
Schmitt-triggered
inputs when used as
general input port,
TPU inputs, interrupt
inputs, and I
inputs.
Open-drain output
capability.
5-V tolerance.
Open-drain output
capability.
Only P32 to P35 are
Schmitt-triggered
inputs when used as
I
P32 to P35 have 5-V
tolerance.
2
C inputs.
2
C