Timing Parameter Tables And Diagram; Table A-2: Parameters Relative To The Rx User Clock (Rxusrclk); Table A-3: Parameters Relative To The Rx User Clock2 (Rxusrclk2) - Xilinx RocketIO User Manual

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Timing Parameter Tables and Diagram

The following four tables list the timing parameters as reported by the implementation
tools relative to the clocks given in
synchronous to each clock. (No signals are synchronous to REFCLK or TXUSRCLK.)
A timing diagram
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Table A-2: Parameters Relative to the RX User Clock (RXUSRCLK)

Parameter
Setup/Hold:
T _CHBI/T
GCCK GCKC
Clock to Out:
T _CHBO
GCKCO
Clock:
T
RXPWH
T
RXPWL

Table A-3: Parameters Relative to the RX User Clock2 (RXUSRCLK2)

Parameter
Setup/Hold:
T _RRST/T
GCCK GCKC
T _RPOL/T
GCCK GCKC
T _ECSY/T
GCCK GCKC
Clock to Out:
T _RNIT
GCKST
T _RDERR
GCKST
T _RCMCH
GCKST
T _ALIGN
GCKST
T _CMDT
GCKST
T _RLOS
GCKST
T _RCCCNT
GCKST
T _RBSTA
GCKST
T _RCCRC
GCKST
T _RCRCE
GCKST
T _CHBD
GCKST
T _RKCH
GCKST
T _RRDIS
GCKST
T _RDAT
GCKDO
Clock:
T
RX2PWH
T
RX2PWH
106
(Figure
Table A-2, Parameters Relative to the RX User Clock (RXUSRCLK), page 106
Table A-3, Parameters Relative to the RX User Clock2 (RXUSRCLK2), page 106
Table A-4, Parameters Relative to the TX User Clock2 (TXUSRCLK2), page 107
Table A-5, Miscellaneous Clock Parameters, page 107
Function
_CHBI Control inputs
Control outputs
Clock pulse width, High state RXUSRCLK
Clock pulse width, Low state RXUSRCLK
Function
_RRST Control input
_RPOL Control input
_ECSY Control input
Status outputs
Status outputs
Status outputs
Status output
Status output
Status outputs
Status outputs
Status outputs
Status output
Status output
Status output
Status outputs
Status outputs
Data outputs
Clock pulse width, High state RXUSRCLK2
Clock pulse width, Low state RXUSRCLK2
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Appendix A: RocketIO Transceiver Timing Model
Table A-1, along with the RocketIO signals that are
A-2) illustrates the timing relationships.
CHBONDI[3:0]
CHBONDO[3:0]
RXRESET
RXPOLARITY
ENCHANSYNC
RXNOTINTABLE[3:0]
RXDISPERR[3:0]
RXCHARISCOMMA[3:0]
RXREALIGN
RXCOMMADET
RXLOSSOFSYNC[1:0]
RXCLKCORCNT[2:0]
RXBUFSTATUS[1:0]
RXCHECKINGCRC
RXCRCERR
CHBONDDONE
RXCHARISK[3:0]
RXRUNDISP[3:0]
RXDATA[31:0]
1-800-255-7778
Signals
Signals
UG024 (v1.5) October 16, 2002
RocketIO™ Transceiver User Guide