1044
SMR1—Serial Mode Register 1
H'FF80
SCI1, Smart Card Interface 1
7
GM
0
R/W
6
BLK
0
R/W
5
PE
0
R/W
4
O/
E
0
R/W
3
BCP1
0
R/W
0
CKS0
0
R/W
2
BCP0
0
R/W
1
CKS1
0
R/W
Bit
Initial value
Read/Write
Clock Select 1 and 0
0
ø clock
ø/4 clock
ø/16 clock
ø/64 clock
0
1
1
0
1
Basic Clock Pulse
0
32 clock periods
64 clock periods
372 clock periods
256 clock periods
0
1
1
0
1
Parity Mode
0
Even parity
*
2
Odd parity
*
3
1
Parity Enable
0
Parity bit addition and checking disabled
Parity bit addition and checking enabled
*
1
1
Block Transfer Mode
0
Normal Smart Card interface mode operation
•
Error signal transmission/detection and automatic data retransmission performed
•
TXI interrupt generated by TEND flag
•
TEND flag set 12.5 etu after start of transmission (11.0 etu in GSM mode)
Block transfer mode operation
•
Error signal transmission/detection and automatic data retransmission not performed
•
TXI interrupt generated by TDRE flag
•
TEND flag set 11.5 etu after start of transmission (11.0 etu in GSM mode)
1
GSM Mode
0
Normal smart card interface mode operation
•
TEND flag generation 12.5 etu (11.5 etu in block transfer mode) after beginning of start bit
•
Clock output ON/OFF control only
GSM mode smart card interface mode operation
•
TEND flag generation 11.0 etu after beginning of start bit
•
High/low fixing control possible in addition to clock output ON/OFF control (set by SCR)
1
Note: etu: Elementary time unit (time for transfer of 1 bit)
Summary of Contents for H8S/2645
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Page 837: ...805 A 2 Instruction Codes Table A 2 shows the instruction codes ...
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