h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 535

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

14.2
Registers added with the Smart Card interface and bits for which the function changes are
described here.
14.2.1
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 standby mode.
Bits 7 to 4—Reserved: It is always read as 1 and cannot be modified.
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. 5.00 Sep 22, 2005 page 509 of 1136
SDIR
R/W
3
0
Section 14 Smart Card Interface
SINV
R/W
2
0
REJ09B0257-0500
—
—
1
1
(Initial value)
SMIF
R/W
0
0