Hitachi H8/3048 Hardware Manual page 808

RDR—Receive Data Register
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Bit
Initial value
Read/Write
SCMR—Smart Card Mode Register
Bit
Initial value
Read/Write
Smart card data transfer direction
0 TDR contents are transmitted LSB-first
Received data is stored LSB-first in RDR
1 TDR contents are transmitted MSB-first
Received data is stored MSB-first in RDR
7 6 5
0 0 0
R R R
7 6 5
— — —
1 1 1
— — —
Smart card interface mode select
0 Smart card interface function is disabled
1 Smart card interface function is enabled
Smart card data invert
0 Unmodified TDR contents are transmitted
Received data is stored unmodified in RDR
1 Inverted TDR contents are transmitted
Received data are inverted before storage in RDR
H'B5
4 3 2
0 0 0
R R R
Serial receive data
H'B6
4 3 2
— SDIR SINV
1 0 0
— R/W R/W
(Initial value)
(Initial value)
801
SCI0
1 0
0 0
R R
SCI0
1 0
— SMIF
1 0
— R/W
(Initial value)