GX3202 Datasheet, PDF (27/49 Pages) Semtech Corporation – Crosspoint Switch with Trace Equalization and Output De-emphasis

cannot detect bit errors in the incident data. See Figure 4-1 and Figure 4-2 below.
EXT_PG0/EXT_PG0
Input 200 Crosspoint Core Output 200
(202 x 202)
MON0/MON0
/2 /11
Serializer/
Pattern
Generator
Pattern
/2 CMU _{Generator 0}
xtal osc.
27MHz
CDR
/2
Pattern
Checker 0
Neutral
Phase
Deserializer
Variable
Phase
Deserializer
Pattern Checker
Figure 4-1: Simplified Pattern Generator/Checker Zero Block Diagram
EXT_PG1/EXT_PG1
Input 201 Crosspoint Core Output 201
(202 x 202)
MON1/MON1
/2 /11
Serializer/
Pattern
Generator
Pattern
/2 CMU _{Generator 1}
xtal osc.
27MHz
CDR
/2
Pattern
Checker 1
Neutral
Phase
Deserializer
Variable
Phase
Deserializer
Pattern Checker
Figure 4-2: Simplified Pattern Generator/Checker One Block Diagram
NOTE: There are two pattern checker “Rx” blocks in the GX3202. In the following,
wherever only RX0 is mentioned, the corresponding is also true for RX1.
GX3202 202 x 202 3.5Gb/s Crosspoint
Data Sheet
56077 - 1
October 2012
27 of 49
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