Intel® Quartus® Prime Standard Edition User Guide: Platform Designer

ID 683364
Date 12/15/2018
Public
Document Table of Contents

3.2.1.4.3. Avalon® -ST Error Adapter Common to Input and Output Interface Parameters

Table 43.   Avalon® -ST Error Adapter Common to Input and Output Interface Parameters
Parameter Name Description

Support Backpressure with the ready signal

Turn on this option to add the backpressure functionality to the interface.

Ready Latency

When the ready signal is used, the value for ready_latency indicates the number of cycles between when the ready signal is asserted and when valid data is driven.

Channel Signal Width (bits)

The width of the channel signal. A channel width of 4 allows up to 16 channels. The maximum width of the channel signal is eight bits. Set to 0 if channels are not used.

Max Channel

The maximum number of channels that the interface supports. Valid values are 0–255.

Data Bits Per Symbol

Number of bits per symbol.

Data Symbols Per Beat

Number of symbols per active transfer.

Include Packet Support

Turn on this option if the connected interfaces support a packet protocol, including the startofpacket, endofpacket and empty signals.

Include Empty Signal

Turn this option on if the cycle that includes the endofpacket signal can include empty symbols. This signal is not necessary if the number of symbols per beat is 1.