Revision 1.02 – June 27, 2006
S5935 – PCI Product
Data Book
PCI CONTROLLED BUS MASTER WRITE TRANSFER COUNT REGISTER (MWTC) ..................................... 63
PCI CONTROLLED BUS MASTER READ ADDRESS REGISTER (MRAR) ....................................................... 64
PCI CONTROLLED BUS MASTER READ TRANSFER COUNT REGISTER (MRTC) ........................................ 65
MAILBOX EMPTY FULL/STATUS REGISTER (MBEF) ....................................................................................... 66
INTERRUPT CONTROL/STATUS REGISTER (INTCSR) .................................................................................... 68
MASTER CONTROL/STATUS REGISTER (MCSR) ............................................................................................ 72
ADD-ON BUS OPERATION REGISTERS ............................................................................................................ 76
ADD-ON INCOMING MAILBOX REGISTERS (AIMBX) ....................................................................................... 77
ADD-ON OUTGOING MAILBOX REGISTERS (AOMBX) .................................................................................... 77
ADD-ON FIFO REGISTER PORT (AFIFO) ........................................................................................................... 77
ADD-ON CONTROLLED BUS MASTER WRITE ADDRESS REGISTER (MWAR) ............................................ 78
ADD-ON PASS-THRU ADDRESS REGISTER (APTA) ........................................................................................ 79
ADD-ON PASS-THRU DATA REGISTER (APTD) ............................................................................................... 79
ADD-ON CONTROLLED BUS MASTER READ ADDRESS REGISTER (MRAR) ............................................... 80
ADD-ON EMPTY/FULL STATUS REGISTER (AMBEF) ...................................................................................... 81
ADD-ON INTERRUPT CONTROL/STATUS REGISTER (AINT) .......................................................................... 83
ADD-ON GENERAL CONTROL/STATUS REGISTER (AGCSTS) ...................................................................... 86
ADD-ON CONTROLLED BUS MASTER WRITE TRANSFER COUNT REGISTER (MWTC) ............................. 89
ADD-ON CONTROLLED BUS MASTER READ TRANSFER COUNT REGISTER (MRTC) ............................... 90
INITIALIZATION .................................................................................................................................................... 92
PCI RESET ............................................................................................................................................................ 92
LOADING FROM BYTE-WIDE NV MEMORIES ................................................................................................... 92
PCI BUS CONFIGURATION CYCLES .................................................................................................................. 95
EXPANSION BIOS ROMS .................................................................................................................................... 97
PCI BUS INTERFACE ......................................................................................................................................... 100
PCI BUS TRANSACTIONS ................................................................................................................................. 100
PCI BURST TRANSFERS ................................................................................................................................... 102
PCI Read Transfers ....................................................................................................................................... 102
PCI Write Transfers ....................................................................................................................................... 104
Master-Initiated Termination .......................................................................................................................... 105
Normal Cycle Completion .............................................................................................................................. 105
Initiator Preemption ....................................................................................................................................... 106
Master Abort .................................................................................................................................................. 107
Target-Initiated Termination .......................................................................................................................... 107
Target Disconnects ........................................................................................................................................ 108
Target Requested Retries ............................................................................................................................. 109
Target Aborts ................................................................................................................................................. 109
PCI BUS MASTERSHIP ...................................................................................................................................... 111
Bus Mastership Latency Components ........................................................................................................... 111
Bus Arbitration ............................................................................................................................................... 111
Bus Acquisition .............................................................................................................................................. 112
Target Latency ............................................................................................................................................... 112
Target Locking ............................................................................................................................................... 112
AMCC Confidential and Proprietary
DS1527
5
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
