Port Control Register 2 (Ptcnt2) - Renesas H8S/2100 Series Hardware Manual

Section 7 I/O Ports
7.3.3

Port Control Register 2 (PTCNT2)

PTCNT2 selects ports that also function as SCI input/output pins and controls the port
specification.
Bit Bit Name

7
6 TxD2RS
5 RxD2RS
4 TxD1RS
3 RxD1RS

2
1 PORTS

0
Rev. 1.00 Apr. 28, 2008 Page 196 of 994
REJ09B0452-0100
Initial Value R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
Description
Reserved
The initial value should not be changed.
0: TxD2 direct output
1: TxD2 inverted output
0: RxD2 direct input
1: RxD2 inverted input
0: TxD1 direct output
1: TxD1 inverted output
0: RxD1 direct input
1: RxD1 inverted input
Reserved
The initial value should not be changed.
0: Existing port specification
1: New port specification
Reserved
The initial value should not be changed.