Cyclone® V Hard Processor System Technical Reference Manual

ID 683126
Date 8/28/2023
Public
Document Table of Contents

26.3.1.3.3. Message Direction (Dir)

  • 0= receive direction. When TxRqst is set to 1, a remote frame with the identifier of this message object is transmitted. On reception of a data frame with matching identifier, that message is stored in this message object.
  • 1= transmit direction. When TxRqst is set to 1, the respective message object is transmitted as a data frame. On reception of a remote frame with matching identifier, the TxRqst bit of this message object is set to 1 (if RmtEn = 1).