SC9821C
(Continued)
Symbol
Address
R/W
Initialization
Description
Bit[2] : Restore operate status signal
0•> the current Restore
execute(have been complete)
1•> Restore is operating
Note:
operation
not
In normal, Restore operate time is very short,
so this signal should remain 0.
Bit[3] : LocalReset status signal
0•> none LocalReset operation
1•> LocalReset operating
Note:
SC91H [7:0]
Note: The flag of this
In normal, LocalReset operate time is very
short, so the status signal remain 0.
register
the state signal; if
the status is not 0x54
denotes
R
0x00
Bit[4]: Decoder operation status signal
0•> decoder stop
satisfied,
the
corresponding bit
will
1•> decoder operate
clear
Bit[5]: Encoder operation status signal:
0•> encoder stop,
automatically.
1•> encoder operate
Bit[6]: Dram overflow symbol
0•> Dram in normal
1•> Dram overflow
Bit[7]: Dram empty symbol
0•>
Dram
have
valid
data
supply
for
decoder,
1•> Dram empty, no valid data supply for
decoder.
Bit[7:0]: The remain valid data in DRAM take
page as unit.
MSC92H High[7:0]
MSC92HLow [7:0]
0x55
0x56
R
R
0x00
0x00
The high 8 bit data, each page is 256×16bit.
Bit[7:0]: The remain valid data in Dram take
page as unit, there is the low 8 bits,
each page is 256×16bits.
Note:
because the 16 bit pointer divide two parts for
read operation, in the reading, the pointer also
operating, so we should notice the carry bit in
reading operation of main control processing.
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http:
REV:1.0
2006.07.21
www.silan.com.cn
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