Question about amba ahb5 wait states

Hello. I have a question about ahb5's wait states.

In ahb protocol specification 3.7.1 and 3.7.2, the change of HTRANS and Address, Why does Master inserts IDLE and busy transfer? Is this because the Maser has to change transfer type and address?

If the master doesn't have to change the type or address, It is right to just maintain the the control signal, address, data?

thanks.

Top replies

Colin Campbell 5 months ago +2 suggested

IDLE and BUSY transfers are used by the AHB Manager when it doesn't have a data transfer it wants to request in that cycle. The difference between IDLE and BUSY transfers is that a BUSY would be used...