D12320VF25V Datasheet, PDF (1054/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
RDR0—Receive Data Register 0
Bit
:
7
6
5
Initial value :
0
0
0
Read/Write :
R
R
R
H'FF7D
SCI0, Smart Card Interface 0
4
3
2
1
0
0
0
0
0
0
R
R
R
R
R
Stores received serial data
SCMR0—Smart Card Mode Register 0
H'FF7E
SCI0, Smart Card Interface 0
Bit
:
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯
SDIR SINV
⎯
SMIF
Initial value :
1
1
1
1
0
0
1
0
Read/Write : ⎯
⎯
⎯
⎯
R/W R/W
⎯
R/W
Smart Card
Interface Mode Select
0 Smart card interface
function is disabled
1 Smart card interface
function is enabled
Smart Card Data Invert
0 TDR contents are transmitted as they are
Receive data is stored in RDR as it is
1 TDR contents are inverted before
being transmitted
Receive data is stored in RDR
in inverted form
Smart Card Data Direction
0 TDR contents are transmitted LSB-first
Receive data is stored in RDR LSB-first
1 _{TDR contents are transmitted MSB-first}
Receive data is stored in RDR MSB-first
Rev.7.00 Feb. 14, 2007 page 1020 of 1108
REJ09B0089-0700