hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 288

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

10.2.10 Serial Port Control Register (SPCR)
SPCR is an 8-bit readable/writable register that performs RXD
input/output data inversion switching. SPCR is initialized to H'C0 by a reset.
Bit 0: RXD
Bit 0 specifies whether or not RXD
Bit 0
SCINV0
0
1
Bit 1: TXD
Bit 1 specifies whether or not TXD
Bit 1
SCINV1
0
1
Bit 2: RXD
Bit 2 specifies whether or not RXD
Bit 2
SCINV2
0
1
Bit
Initial value
Read/Write
31
31
32
Description
RXD
RXD
Description
TXD
TXD
Description
RXD
RXD
pin output data inversion switch
pin input data inversion switch
pin input data inversion switch
31
31
31
31
32
32
—
—
7
1
output data is not inverted
output data is inverted
input data is not inverted
input data is inverted
input data is not inverted
input data is inverted
—
—
6
1
31
31
32
SPC32
pin output data is to be inverted.
pin input data is to be inverted.
pin input data is to be inverted.
R/W
5
0
SPC31
R/W
4
0
SCINV3
R/W
3
0
31
, RXD
SCINV2
R/W
2
0
32
, TXD
SCINV1
R/W
31
1
0
, and TXD
(initial value)
(initial value)
(initial value)
SCINV0
R/W
0
0
32
pin
273