• AHB amba 5 lite - waited write transfer

    Hello,

    i didnt find at spec any note about the waited write transfer.

    for example 

    T1 : NONSEQ + write transfer  + HREADY is high

    T2: HREADY dropped + HTRANS is idle - HWDATA ?

    does the HWDATA have to be the right data or it can be any junk ? and only when…

  • Questions about Barrier instructions & ACE Barrier transactions

    1. How barrier instructions like `dmb ishld` and `ldar/stlr` translate to ACE barrier transactions?

    I am curious about how barrier instructions which will only affect specific types of memory operations would translate to ACE barrier transactions.

    I supposed…

  • Endian about AHB-Lite and AHB5 Specification

    Hello to all,

    I have a question about AMBA3 AHB-Lite and AHB5 Specification:

    In AMBA3 AHB-Lite Specification, "Table 6-2 Active byte lanes for a 32-bit big-endian data bus" is mean word-invariant big-endian or byte-invariant big-endian? Why its…

  • Barrier Transactions in ACE

    Can somebody please explain how barrier transactions in ACE work?

    Thanks in advance.