SH7730 Datasheet, PDF (882/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

Section 25 SIM Card Module (SIM)
25.3.11 Guard Extension Register (SCGRD)
SCGRD is an 8-bit readable/writable register that sets the time added for character protection.
Bit: 7
6
5
4
3
2
1
0
SCGRD[7:0]
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Bit
7 to 0
Bit Name
Initial
Value
SCGRD[7:0] H'00
R/W Description
R/W Guard Extension
Set the time added for character protection in smart
card mode. The interval between the start of two
successive characters is 12 etu (no addition) when the
value of this register is H'00, is 13 etu when the value is
H'01, and so on, up to 266 etu for H'FE. If the value of
this register is H'FF, the interval between the start of
two successive characters is 11 etu in T = 1 mode and
is 12 etu in T = 0 mode.
Rev. 1.00 Sep. 19, 2007 Page 834 of 1136
REJ09B0359-0100