The operation flow is show as below:
The timing diagram of the DOREQ and DOACK in the DO handshaking mode
is shown as follows:
Note: DOACK must be deserted before DOREQ asserts, DOACK can be
asserted any time after DOREQ asserts, DOREQ will be reasserted
after DOACK is asserted.
DOREQ & DOACK Handshaking
Operation Theory • 43
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