• How is the PREADY signal triggered low by the Slave in an APB?
    Hi, I was trying to understand the state machine of an APB. I was curious on how the PREADY signal is triggered low so that it can exit from the ACCESS state? If anyone could help me with this...
  • AMBA 3 APB PENABLE wrt PREADY
    Hi, I need a clarification on PENABLE with respect to PREADY. 1) Can pready remain high for more than one cycle? 2) Does PENABLE from the master has to look for PREADY going low to deassert or it...
  • questions about APB advantages
    Note: This was originally posted on 8th November 2008 at http://forums.arm.com Hi! dear all  Some APB advantages are listed in AMBA 2.0 spec. They are "¢ performance is improved at high-frequency operation...
  • AMBA APB
    1) the APB uses massive memory-I/O accesses.what is that massive memory-I/O accesses?
  • AMBA APB
    1)what is the difference between with wait state and with no wait state(read/write)?what are the advantages of both in APB?