Hitachi H8S/2645, Hardware Manual

Page: 1094 / 1153

1062
SSR2—Serial Status Register 2 H'FF8C SCI2, Smart Card Interface 2
7
TDRE
1
R/(W) *
6
RDRF
0
R/(W) *
5
ORER
0
R/(W) *
4
ERS
0
R/(W) *
3
PER
0
R/(W) *
0
MPBT
0
R/W
2
TEND
1
R
1
MPB
0
R
Bit
Initial value
Read/Write
Note:
*
Only 0 can be written, to clear the flag.
Note: Clearing the TE bit in SCR to 0 does not affect the ERS flag,
which retains its previous state.
Error Signal Status
0 Normal reception, with no error signal
[Clearing condition]
•
Upon reset, and in standby mode or module stop mode
•
When 0 is written to ERS after reading ERS = 1
1 Error signal sent from receiver indicating detection of parity error
[Setting condition]
When the low level of the error signal is sampled
Operate in the same way as for
the normal SCI.
Operate in the same way as for
the normal SCI.
RDR2—Receive Data Register 2 H'FF8D SCI2, Smart Card Interface 2
7
0
R
6
0
R
5
0
R
4
0
R
3
0
R
0
0
R
2
0
R
1
0
R
Bit
Initial value
Read/Write
Store serial receive data