Renesas H8S Series Hardware Manual page 502

Section 15 Serial Communication Interface (SCI, IrDA)
Bit Bit Name Initial Value
2 IrRxINV 0

1, 0 All 0
Rev. 3.00 Jul. 14, 2005 Page 454 of 986
REJ09B0098-0300
R/W Description
R/W IrRx Data Invert
Specifies the inversion of the logic level of the input
to IrRxD. When the inversion is specified, IrCKS2 to
IrCKS0 specify the low-level width, not the high-level
width.
0: Input to IrRxD is used as receive data as it is
1: Input to IrRxD is inverted before being used as
receive data
R Reserved
These bits are always read as 0 and cannot be
modified.