L64780 LSI Logic Corporation, L64780 Datasheet - Page 86
L64780
Manufacturer Part Number
L64780
Description
Dvb-t Cofdm Demodulator Technical Manual 2/00
Manufacturer
LSI Logic Corporation
Datasheet
1.L64780.pdf
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4.6 Performance Monitoring Registers Address Line 0x16
4-34
These registers contain the aggregate statistical and monitoring
information available to the OBC block.
RES
FRAME_SYNC_OK
TPS_SYNC_OK
AFC_SYNC_OK
TIM_CLK_SYNC_OK
Register Descriptions
0x16
7
RES
Reserved
These bits are reserved.
COFDM Frame Synchronization
If the frame synchronization in the DTTV demodulator is
correct, this bit is 1 (ODFM frame is locked). If this bit is
0, the COFDM frame is unlocked. The initial condition for
this bit is 1, locked.
TPS Synchronization
If the BCH code in the TPS indicates that the TPS is
valid, this bit is 1 (TPS is locked). If this bit is 0, TPS is
unlocked. The initial condition for this bit is 1, locked.
AFC Synchronization
If the frequency synchronization in the DTTV
demodulator is correct, this bit is 1 (AFC locked);
otherwise, it is 0 (unlocked). The initial condition for this
bit is 1, locked.
Timing Synchronization
If the sampling frequency synchronization in the DTTV
demodulator is correct, this bit is 1 (VCXO is locked);
otherwise, it is unlocked. The initial condition for this bit
is 1, locked.
6
FRAME_
SYNC_
OK
5
SYNC_
TPS_
OK
4
SYNC_
AFC_
OK
3
TIM_CLK_
SYNC_OK
2
SYNC_OK
START_
TIM_
1
SYNC_OK
R/W 5
R/W 4
R/W 3
R/W 2
0
[7:6]
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