HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 701

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

15.2
Registers added with the smart card interface and bits for which the function changes are
described here.
15.2.1
SCMR is an 8-bit readable/writable register that selects the smart card interface function.
SCMR is initialized to H'F2 by a reset and in hardware standby mode. In software standby mode
and module stop mode it retains its previous state.
Bits 7 to 4—Reserved: These bits cannot be modified and are always read as 1.
Bit 3—Smart Card Data Transfer Direction (SDIR): Selects the serial/parallel conversion
format.
Bit 3
SDIR
0
1
Bit
Initial value :
R/W
Register Descriptions
Smart Card Mode Register (SCMR)
Description
TDR contents are transmitted LSB-first
Receive data is stored in RDR LSB-first
TDR contents are transmitted MSB-first
Receive data is stored in RDR MSB-first
:
:
—
—
7
1
—
—
6
1
—
—
5
1
—
—
4
1
Rev.6.00 Sep. 27, 2007 Page 671 of 1268
SDIR
R/W
3
0
Section 15 Smart Card Interface
SINV
R/W
2
0
REJ09B0220-0600
—
—
1
1
(Initial value)
SMIF
R/W
0
0