r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 698

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 I/O Ports
Rev. 1.00 Sep. 19, 2008 Page 670 of 1270
REJ09B0466-0100
Bit
5
4
3
2
1
0
Bit Name
BACKS
BREQOS

TXD4S
RXD4S
SCK4S
Initial Value
0
0
0
0
0
0
R/W
R/W
R/W

R/W
R/W
R/W
Description
BACK Pin Select
Selects the BACK output pin.
0: PG5/BACK-A is selected
1: P52/BACK-B is selected
BREQO Pin Select
Selects the BREQO output pin.
0: PG4/BREQO-A is selected
1: P50/BREQO-B is selected
Reserved
This bit is always read as 0. Only the initial value
should be written to this bit.
TxD4 Pin Select
Selects the TxD4 output pin.
0: P23/TxD4-A is selected
1: PA1/TxD4-B is selected
RxD4 Pin Select
Selects the RxD4 input pin.
0: P24/RxD4-A is selected
1: PA2/RxD4-B is selected
SCK4 Pin Select
Selects the SCK4 input/output pin.
0: P34/SCK4-A is selected
1: PA3/SCK4-B is selected