
Differences Between Custom PHY Ports in Stratix IV and Stratix V Devices
This section lists the differences between the top-level signals in Stratix IV GX and Stratix V GX/GS
devices.
Table 20-7: Custom PHY Correspondences between Stratix IV GX Device and Stratix V Device Signals
ALTGX
(23)
Custom PHY Width
Avalon-MM Management Interface
Not available
phy_mgmt_clk_reset 1
phy_mgmt_clk 1
phy_mgmt_address 8
phy_mgmt_read 1
phy_mgmt_readdata 32
phy_mgmt_write 1
phy_mgmt_writedata 32
Clocks
cal_blk_clk
These signals are included in
the reconfig_to_xcvr bus
—
reconfig_clk —
pll_inclk pll_ref_clk [<p>-1:0]
rx_coreclk rx_coreclkin —
tx_coreclk tx_coreclkin —
Avalon-ST TX Interface
tx_datain tx_parallel_data [<d><n>-1:0]
tx_ctrlenable tx_datak [<d><n>-1:0]
rx_ctrldetect rx_datak [<d><n>-1:0]
Avalon-ST RX Interface
rx_dataout rx_parallel_data [<d><n>-1:0]
rx_runningdisp rx_runningdisp [<d/8><n>-1:0]
rx_enabyteord rx_enabyteord [<n>-1:0]
High Speed Serial I/O
rx_datain rx_serial_data [<n>-1:0]
tx_dataout tx_serial_data [<n>-1:0]
(23)
<n> = the number of lanes. <d> = the total deserialization factor from the pin to the FPGA fabric.
UG-01080
2013.12.20
Differences Between Custom PHY Ports in Stratix IV and Stratix V Devices
20-13
Migrating from Stratix IV to Stratix V Devices Overview
Altera Corporation
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