HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 430

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

13. Smart Card Interface
13.2
This section describes the new or modified registers and bit functions in the smart card interface.
13.2.1
SCMR is an 8-bit readable/writable register that selects smart card interface functions.
SCMR is initialized to H'F2 by a reset and in standby mode.
Bits 7 to 4—Reserved: Read-only bits, always read as 1.
Bit 3—Smart Card Data Transfer Direction (SDIR): Selects the serial/parallel conversion
format.*
Bit 3
SDIR
0
1
Rev.4.00 Aug. 20, 2007 Page 386 of 638
REJ09B0395-0400
Bit
Initial value
Read/Write
1
Register Descriptions
Smart Card Mode Register (SCMR)
Description
TDR contents are transmitted LSB-first
Receive data is stored LSB-first in RDR
TDR contents are transmitted MSB-first
Receive data is stored MSB-first in RDR
⎯
⎯
7
1
Reserved bits
⎯
⎯
6
1
⎯
⎯
5
1
⎯
⎯
4
1
Smart card data transfer direction
Selects the serial/parallel conversion format
SDIR
R/W
3
0
Smart card data invert
Inverts data logic levels
SINV
R/W
2
0
Reserved bit
Smart card interface
mode select
Enables or disables
the smart card interface
function
⎯
⎯
1
1
(Initial value)
SMIF
R/W
0
0