SH7720 Datasheet, PDF (1064/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 30 SIM Card Module (SIM)
30.3.9 Smart Card Mode Register (SCSCMR)
SCSCMR is an 8-bit readable/writable register that selects functions of the smart card interface.
Initial
Bit Bit Name Value R/W Description
7

0
R/W Reserved
This bit is always read as 0. The write value should always
be 0.
6
LCB
0
R/W Last Character
When this bit is set to 1, the character protection time is 2
etus, and the setting of the guard extension register is
invalid.
0: The character protection time is determined by the value
of the guard extension register.
1: The character protection time is 2 etus.
5
PB
0
R/W Protocol
Selects the T = 0 or T = 1 protocol.
0: The smart card interface operates according to the T = 0
protocol.
1: The smart card interface operates according to the T = 1
protocol.
4

0
R/W Reserved
This bit is always read as 0. The write value should always
be 0.
3
SDIR
0
R/W Smart Card Data Transfer Direction
Selects the format for serial/parallel conversion.
0: Transmits the SCTDR contents in LSB-first.
Received data is stored in SCRDR as LSB-first.
1: Transmits the SCTDR contents in MSB-first.
Received data is stored in SCRDR as MSB-first.
Rev. 3.00 Jan. 18, 2008 Page 1002 of 1458
REJ09B0033-0300