HD6433044 Datasheet, PDF (808/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

RDR—Receive Data Register
H'B5
SCI0
Bit
7
6
5
4
3
2
1
0
Initial value
0
0
0
0
0
0
0
0
Read/Write
R
R
R
R
R
R
R
R
Serial receive data
SCMR—Smart Card Mode Register
Bit
7
6
5
—
—
—
Initial value
1
1
1
Read/Write
—
—
—
H'B6
SCI0
4
3
2
1
0
—
SDIR SINV
—
SMIF
1
0
0
1
0
—
R/W R/W
—
R/W
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 TDR contents are transmitted
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
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