h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1098

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Register
SMR2—Serial Mode Register 2
Rev. 5.00 Sep 22, 2005 page 1072 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
GSM Mode
Note: etu: Elementary time unit (time for transfer of 1 bit)
0
1
Normal smart card interface mode operation
GSM mode 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
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)
Block Transfer Mode
0
1
R/W
GM
7
0
Normal Smart Card interface mode operation
Block transfer 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)
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)
R/W
BLK
6
0
R/W
Parity Enable
PE
0
1
5
0
Parity bit addition and checking disabled
Parity bit addition and checking enabled
R/W
O/E
Parity Mode
4
0
0
1
H'FF88
Even parity
Odd parity
Basic Clock Pulse
0
1
BCP1
R/W
3
0
0
1
0
1
Clock Select 1 and 0
*3
0
1
32 clock periods
64 clock periods
372 clock periods
256 clock periods
*2
0
1
0
1
BCP0
SCI2, Smart Card Interface 2
R/W
2
0
/4 clock
/16 clock
/64 clock
clock
CKS1
R/W
*1
1
0
CKS0
R/W
0
0