What signals are required for AXI-Stream Interface?

Question

For AXI stream interface which all required ?

1.ID
2.VALID 3.KEEP 4.LAST 5.READY 6.DATA 7.STRB 8.USER 9.DEST

score 0 · Accepted Answer · answered Mar 31 '20 at 01:24

0

Depends on what you want to transmit.

The minimum is valid, ready, data.

Video data often additional have:

answered Mar 31 '20 at 01:24

Oldfart

Thank you. I thought only Vaild is required ? – Daniel James Mar 31 '20 at 01:27
That is open for discussion. Without ` ready` you do not know if the data has been accepted. You could do without but then you lose the possibility of flow control. Designs get very difficult without flow control. – Oldfart Mar 31 '20 at 01:36

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