L64777 LSI Logic Corporation, L64777 Datasheet - Page 72
L64777
Manufacturer Part Number
L64777
Description
DVB Qam Modulator
Manufacturer
LSI Logic Corporation
Datasheet
1.L64777.pdf
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4.2 NCO-Related Registers
4.2.1 Register 12
4-10
SYNCOK
7
SYNCOK
_STORE
6
SYNCOK
SYNCOK_STORE
FIFO_ALARM_STORE
ERF_STORE Error Flag Store
NCO_EVENT
MASK_ERF
Register Descriptions
FIFO_ALARM
_STORE
5
ERF_STORE NCO_EVENT MASK_ERF
State of SYNCOK Pin
This value reflects the actual state of the SYNCOK pin.
This signal is slow enough to be sampled by the external
microcontroller. When this bit is 1, sync is achieved.
When this bit is 0, sync is not achieved. The reset value
is 0.
This read-only bit is set to 1 if a faulty SYNCOK condition
is detected since the last read. If this bit is 0, it indicates
that the sync lock status continues to be positive. The
reset value is 0.
This read-only bit is set to 1 if a FIFO alarm condition is
detected since the last read. If this bit is 0, no FIFO alarm
condition was detected. The reset value is 0.
This read-only bit is set to 1 if an error flag is inserted
since the last read. If this bit is 0, no error flag was
inserted. The reset value is 0.
If this bit is 1, the NCO measurement is complete or the
AUTO ACQUISITION has terminated. The reset value is 0.
Error Flag Mask
If this bit is 1, an error flag insertion in the MPEG
transport packet does not generate an interrupt. If this bit
is 0, an error flag insertion does generate an interrupt.
The reset value is 0.
4
3
2
MASK_SYNC
OK
1
MASK_FIFO
_ALARM
R/W 7
R/W 3
R/W 2
0
R 6
R 5
R 4
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