V-Series Transceiver PHY IP Core User Guide

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

4.11.3. Daisy-Chain Interface Signals

The optional daisy-chain interface signals connect link partners using a daisy-chain topology.
Table 37.  Daisy Chain Interface Signals
Signal Name Direction Description
dmi_mode_en Input When asserted, enable Daisy Chain mode.
dmi_frame_lock Input When asserted, the daisy chain state machine has locked to the training frames.
dmi_rmt_rx_ready Input Corresponds to bit 15 of Status report field. When asserted, the remote receiver.
dmi_lcl_coefl[5:0] Input Local update low bits[5:0]. In daisy-chained configurations, the local update coefficients substitute for the coefficients that would be set using Link Training.
dmi_lcl_coefh[1:0] Input Local update high bits[13:12]. In daisy-chained configurations, the local update coefficients substitute for the coefficients that would be set using Link Training.
dmi_lcl_upd_new Input When asserted, indicates a local update has occurred.
dmi_rx_trained Input When asserted, indicates that the state machine has finished local training.
dmo_frame_lock Output When asserted, indicates that the state machine has locked to the training frames.
dmo_rmt_rx_ready Output Corresponds to the link partner's remote receiver ready bit.
dmo_lcl_coefl[5:0] Output Local update low bits[5:0]. In daisy-chained configurations, the local update coefficients substitute for the coefficients that would be set using Link Training.
dmo_lcl_coefh[1:0] Output Local update high bits[13:12]. In daisy-chained configurations, the local update coefficients substitute for the coefficients that would be set using Link Training.
dmo_lcl_upd_new Output When asserted, indicates a local update has occurred.
dmo_rx_trained Output When asserted, indicates that the state machine has finished local training.

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