615
RDR—Receive Data Register
H'B5
SCI0
Bit
Initial value
Read/Write
7
0
R
6
0
R
5
0
R
4
0
R
3
0
R
0
0
R
2
0
R
1
0
R
Serial receive data
SCMR—Smart Card Mode Register
H'B6
SCI0
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
1
—
3
SDIR
0
R/W
0
SMIF
0
R/W
2
SINV
0
R/W
1
—
1
—
Smart card interface mode select
0
Smart card interface function is disabled
(Initial value)
1
Smart card interface function is enabled
Smart card data invert
0
Unmodified TDR contents are transmitted (Initial value)
Received data is stored unmodified in RDR
1
Inverted 1/0 logic levels of TDR contents are transmitted
1/0 logic levels of received data are inverted before storage in RDR
Smart card data transfer direction
0
TDR contents are transmitted LSB-first (Initial value)
Received data is stored LSB-first in RDR
1
TDR contents are transmitted MSB-first
Received data is stored MSB-first in RDR