XE8000EV108 Semtech, XE8000EV108 Datasheet - Page 89

EVAL BOARD FOR XE8806/XE8807

XE8000EV108

Manufacturer Part Number
XE8000EV108
Description
EVAL BOARD FOR XE8806/XE8807
Manufacturer
Semtech
Type
MCUr
Datasheets

Specifications of XE8000EV108

Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC06AMI026
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
14.8.2.4
The start sequence is defined by the pattern RfifRxSPat[7:0] written in the register RegFifRxSPat. This pattern is
compared to the incoming bit stream before decoding. This is shown in Figure 14-5 and Figure 14-6 where an
identical input data bit stream and an identical pattern give the same start sequence detection independent from
the decoded data.
© Semtech 2006
RfifRxSPat=10011111
RFIF2 (match)
decoded data
decoded data
NRZ - Level
NRZ - Level
“Pattern” start detection
Figure 14-5. Pattern start detection in NRZ-Level for RfifRxSPat[7:0]=10011111
Figure 14-4. Timing of the external word synchronization signal
1
1
0
0
1
1
0
0
0
0
1
1
start sequence
1
1
14-9
1
1
1
1
1
1
first bit in FIFO
first bit in FIFO
0
0
1
1
0
0
0
0
XE8806A/XE8807A
0
0
1
1
0
0
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