HD6432621 Hitachi, HD6432621 Datasheet - Page 535
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HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 535 of 1069
- Download datasheet (5Mb)
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: These bits are 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
SDIR
R/W
3
0
SINV
R/W
2
0
—
—
1
1
(Initial value)
SMIF
R/W
0
0
491
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