Datasheet

Section 10 I/O Ports
R01UH0310EJ0500 Rev. 5.00 Page 699 of 1384
Sep 25, 2012
H8S/2426, H8S/2426R, H8S/2424 Group
Bit Bit Name Initial Value R/W Description
5 BACKS 0 R/W BACK Pin Select
Selects the BACK output pin.
0: PG5/BACK-A is selected
1: P52/BACK-B is selected
4 BREQOS 0 R/W BREQO Pin Select
Selects the BREQO output pin.
0: PG4/BREQO-A is selected
1: P50/BREQO-B is selected
3 ⎯ 0 ⎯ Reserved
This bit is always read as 0. Only the initial value
should be written to this bit.
2 TXD4S 0 R/W TxD4 Pin Select
Selects the TxD4 output pin.
0: P23/TxD4-A is selected
1: PA1/TxD4-B is selected
1 RXD4S 0 R/W RxD4 Pin Select
Selects the RxD4 input pin.
0: P24/RxD4-A is selected
1: PA2/RxD4-B is selected
0 SCK4S 0 R/W SCK4 Pin Select
Selects the SCK4 input/output pin.
0: P34/SCK4-A is selected
1: PA3/SCK4-B is selected