HD64F38024HV Datasheet, PDF (266/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 8 I/O Ports
Bit 3—TXD₃₂ Pin Output Data Inversion Switch
Bit 3 specifies whether or not TXD₃₂ pin output data is to be inverted.
Bit 3
SCINV3
0
1
Description
TXD32 output data is not inverted
TXD32 output data is inverted
(initial value)
Bit 2—RXD₃₂ Pin Input Data Inversion Switch
Bit 2 specifies whether or not RXD₃₂ pin input data is to be inverted.
Bit 2
SCINV2
0
1
Description
RXD32 input data is not inverted
RXD32 input data is inverted
(initial value)
Bits 1 and 0—Reserved
Bits 1 and 0 are reserved; they can only be written with 0.
8.12.3 Note on Modification of Serial Port Control Register
When a serial port control register is modified, the data being input or output up to that point is
inverted immediately after the modification, and an invalid data change is input or output. When
modifying a serial port control register, do so in a state in which data changes are invalidated.
Rev. 8.00 Mar. 09, 2010 Page 244 of 658
REJ09B0042-0800