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Google has more answers than you'll get on here:
https://lmgtfy.com/?q=axi4+timing+diagram
Lol I have already dine it, but have not suceeded to find something with good explenation yet.
Refer to the spec : ARM IHI 0022E (ID022613) which is also free to download.
There in you'll find the explanations and diagrams.
the axi spec has descriptions of the signals and some of the guiding principles. The main ones:
1.) the master must advertise available data without waiting for the slave to become ready. This is repeated often.
2.) each channel can be acknowledged independently, even if this is annoying.
I have to find a diagram with all of the signals like AWSIZE, AWLEN, ASTRB WLAST etc.
Why WRADDR and WDATA can be sampled in the same cycle?
For example see the AXI4 Write Transaction Multiple write, not burst timing diagram (page 20) in:
http://xilinx.eetrend.com/files-eet.../9208-20395-creating_and_adding_custom_ip.pdf
Becuase this allows back to back transactions.
A trasaction is accepted whenever WVALID and WRDY are high together.
Yes but why? how?
How can we can send the data before the protocol "knows" the address?