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The deskew module can work in three modes: .............................................................................................. 26
Standards Supported by Deskew Module ...................................................................................................... 27
Elastic FIFO (Elastic Buffer) ............................................................................................................. 27
EFIFO Standards and Skip Characters .......................................................................................................... 28
EFIFO Operation ............................................................................................................................................. 29
Overflow/Underflow ......................................................................................................................................... 31
8b/10b Decoder ............................................................................................................................... 31
Bit Slider .......................................................................................................................................... 31
Interface Encapsulation ................................................................................................................... 32
PCS Self Test Checker .................................................................................................................... 32
PCS Interface ................................................................................................... 33
Gigabit Ethernet Interface ................................................................................................................ 33
XAUI ................................................................................................................................................ 34
PIPE Interface .................................................................................................................................. 34
Clocking ........................................................................................................... 36
Debug and Test ............................................................................................... 38
Loopback Modes ............................................................................................................................. 38
PMA loopback modes: .................................................................................................................................... 39
PCS loopback modes: .................................................................................................................................... 39
PMA Test Pattern Generator ............................................................................................................ 40
PMA Test Pattern Checker .............................................................................................................. 40
PCS Test Pattern Generator ............................................................................................................ 40
PRBS Generator .............................................................................................................................. 40
PCS Test Pattern Checker ............................................................................................................... 41
Latency............................................................................................................. 42
PMA Latency ................................................................................................................................... 42
PCS Latency .................................................................................................................................... 42
Configurations Supported .............................................................................. 45
Design Flow: Creating a SerDes Design ........................................................ 49
Generating SerDes Wrapper using ACE GUI ................................................................................... 49
Single-Lane Serdes Wrapper ........................................................................................................... 50
Overview Section: ........................................................................................................................................... 53
Section on PMA Settings: ............................................................................................................................... 57
RX PMA Equalization ...................................................................................................................................... 59
RX PMA PLL ................................................................................................................................................... 60
TX PMA Driver ................................................................................................................................................ 62
TX PMA PLL ................................................................................................................................................... 62
Section on PCS Settings: ................................................................................................................................ 63
UG028, July 1, 2014
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