V-Series Transceiver PHY IP Core User Guide

ID 683171
Date 7/26/2022
Public
Document Table of Contents

7.14. XAUI PHY PMA Channel Controller Interface

This sectiondescribes the signals in the PMA channel controller interface.
Table 92.  PMA Channel Controller Signals
Signal Name Direction Description
cal_blk_powerdown Input Powers down the calibration block. A high-to-low transition on this signal restarts calibration. Only available in Arria II GX, HardCopy IV, and Stratix IV GX, and Stratix IV GT devices.
gxb_powerdown Input When asserted, powers down the entire transceiver block. Only available in Arria II GX, HardCopy IV, and Stratix IV GX, and Stratix IV GT devices.
pll_powerdown Input Powers down the CMU PLL. Only available in Arria II GX, HardCopy IV, and Stratix IV GX, and Stratix IV GT devices.
pll_locked Output Indicates CMU PLL is locked. Only available in Arria II GX, HardCopy IV, and Stratix IV GX, and Stratix IV GT devices.
rx_recovered_clk[3:0] Output This is the RX clock which is recovered from the received data stream.
rx_ready Output Indicates PMA RX has exited the reset state and the transceiver can receive data.
tx_ready Output Indicates PMA TX has exited the reset state and the transceiver can transmit data.