Altera Transceiver PHY IP Core User Manual
Page 289
Signal Name
Direction
Signal Name
rx_is_lockedtoref [(<n>(<d>/<s>)
-1:0]
Output
Asserted when the receiver CDR is locked to
the input reference clock. This signal is
asynchronous. This signal is optional.
rx_is_lockedtodata [(<n><d>/<s>)
-1:0]
Output
When asserted, the receiver CDR is in to
lock-to-data mode. When deasserted, the
receiver CDR lock mode depends on the
rx_
locktorefclk
signal level. This signal is
optional.
rx_patterndetect [(<n>(<d>/<s>)-
1:0]
Output
When asserted, indicates that the
programmed word alignment pattern has
been detected in the current word boundary.
rx_rlv [<n> -1:0]
Output
When asserted, indicates a run length
violation. Asserted if the number of consecu‐
tive 1s or 0s exceeds the number specified
using the MegaWizard Plug-In Manager.
rx_runningdisp [(<n>(<d>/<s>)-
1:0]
Output
This status signal indicates the disparity of
the incoming data.
Optional Reset Control and Status Interfaces for Deterministic Latency
PHY
The following table describes the signals in the optional reset control and status interface. These signals
are available if you do not enable the embedded reset controller.
Table 11-16: Avalon-ST RX Interface
Signal Name
Direction
Description
pll_powerdown [<n>-1:0]
Input
When asserted, resets the TX PLL.
tx_digitalreset [<n>-1:0]
Input
When asserted, reset all blocks in the
TX PCS.
tx_analogreset [<n>-1:0]
Input
When asserted, resets all blocks in the
TX PMA.
tx_cal_busy [<n>-1:0]
Output
When asserted, indicates that the
initial TX calibration is in progress. It
is also asserted if reconfiguration
controller is reset. It will not be
asserted if you manually re-trigger
the calibration IP. You must hold the
channel in reset until calibration
completes.
rx_digitalreset [<n>-1:0]
Input
When asserted, resets the RX PCS.
rx_analogreset [<n>-1:0]
Input
When asserted, resets the RX CDR.
UG-01080
2015.01.19
Optional Reset Control and Status Interfaces for Deterministic Latency PHY
11-21
Deterministic Latency PHY IP Core
Altera Corporation