
Table 20-5: PCIe PHY (PIPE) Correspondence between Stratix IV GX Device and Stratix V Device Signals
Stratix IV GX Device Signal Name
(21)
Stratix V GX Device Signal Name Width
Reference Clocks and Resets
pll_inclk pll_ref_clk 1
rx_cruclk Not available [<n> -1:0]
tx_coreclk Not available [<n> -1:0]
rx_coreclk Not available [<n> -1:0]
tx_clkout/coreclkout pipe_pclk 1
pll_powerdown These signals are now available as
control and status registers. Refer to
the "Avalon-MM PHY Management
Interface and PCI Express PHY
(PIPE) IP Core Registers".
1
cal_blk_powerdown 1
Not available tx_ready (reset control status) 1
Not available rx_ready (reset curl status) 1
PIPE interface Ports
tx_datain pipe_txdata [<n><d>-1:0]
tx_ctrlenable pipe_txdatak [(<d>/8)*<n>-1:0]
tx_detectrxloop pipe_txdetectrx_loopback [<n> -1:0]
tx_forcedispcompliance pipe_txcompliance [<n> -1:0]
tx_forceelecidle pipe_txelecidle [<n> -1:0]
txswing pipe_txswing [<n> -1:0]
tx_pipedeemph[0] pipe_txdeemph [<n> -1:0]
tx_pipemargin[2:0] pipe_txmargin [3<n>-1:0]
rateswitch[0] pipe_rate[1:0] [<n>-1:0]
powerdn pipe_powerdown [2<n>-1:0]
rx_elecidleinfersel pipe_eidleinfersel [3<n>-1:0]
rx_dataout pipe_rxdata [<n>-*<d>-1:0]
rx_ctrldetect pipe_rxdatak [(<d>/8)*<n>-1:0]
pipedatavalid pipe_rxvalid [<n>-1:0]
pipe8b10binvpolarity pipe_rxpolarity [<n>-1:0]
pipeelecidle pipe_rxelecidle [<n>-1:0]
(21)
<n> = the number of lanes. <d> = the total deserialization factor from the pin to the FPGA fabric.
UG-01080
2013.12.20
Differences Between PHY IP Core for PCIe PHY (PIPE) Ports for Stratix IV and Stratix V
Devices
20-9
Migrating from Stratix IV to Stratix V Devices Overview
Altera Corporation
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