L64724 LSI Logic Corporation, L64724 Datasheet - Page 187
L64724
Manufacturer Part Number
L64724
Description
Satellite Receiver
Manufacturer
LSI Logic Corporation
Datasheet
1.L64724.pdf
(294 pages)
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7.5 FEC Module Software Reset
Figure 7.12 Inverted Sync Words in Descrambler
The L64724 resets the internal datapath and control modules for the
FEC portion of the device when the FEC_RST bit (Group 4, APR 55) is
set to one. The Demodulator Module is not affected. You do not need to
clear the bit back to zero to complete the reset. The L64724 issues a
single reset pulse each time the microcontroller writes a one to the
FEC_RST bit. When the FEC_RST bit is set, the L64724 resets the FEC
processing unit and state machines to their initial states. The following
operations occur when the FEC_RST bit is set to one:
FEC Module Software Reset
Inverted
Sync
Byte
Internal datapath and control modules reset
Group 4 registers unaffected by reset
Group 3 UEC and CEC counters reset
DVALIDOUT pin set LOW
FSTARTOUT pin set LOW
ERROROUTn pin set HIGH
204 Bytes
8 * 204 Bytes
Sync
Byte
Inverted
Sync
Byte
7-17
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