AMS VME Addresses

function hex address (bytes) access req(*) bits
  start range     7 6 5 4 3 2 1 0
Error Register Status XX000000 4 R           TO ID PE FO
Clear Error Register XX000000 4 W                  
Init and reset FIFOs XX000004 4 W                 1
Init and do NOT reset FIFO XX000004 4 W                 0
Test Mode Status XX000008 4 R                 TM
Set Test Mode XX000008 4 W                  
Hit FIFO Status XX00000C 4 R             FF_ HF_ EF_
Output Hold Status XX000010 4 R                 HD_
Hit FifoCtr FSM State XX000014 4 R               IDLE RDY
micro-sequencer State XX000018 4 R   7-0=state
Output Register Write XX00001C 4 W TM 22-0 sent to output
Hit Spy Pointer Status XX000020 4 R   18=Freeze_ 17=Overflow 16-0=Pointer
Clear Hit Spy Pointer XX000020 4 W                  
Output Spy Pointer Status XX000024 4 R   18=Freeze_ 17=Overflow 16-0=Pointer
Clear Output Spy Pointer XX000024 4 W                  
Error Line Enable XX000028 4 R/W           TO ID PE FO
Road Limit & Wild Hit XX00002C 4 R/W TM 12-7=Wild Hit on lay 5-0, 5-0=RoadLimit
Phi Sector XX000028 4 R   3-0 = Phi Sector (0-11)
ID Prom XX100000 40000 R   31-24=ASCII char 23-0=undef
HIT FIFO XX200000 1000 R TM 31=EF_ 22-0=fifo bits
Hit Spy Buffer XX280000 80000 R TM/FZ 22-0 valid bits from Spy Buffer
Output Spy Buffer XX300000 80000 R TM/FZ 22-0 valid bits from Spy Buffer
micro-sequencer RAM XX380000 80000 R/W TM                
SS Map XX400000 80000 R/W TM                
                         
(*) TM=only possible in Test Mode, FZ=only possible if FREEZE is asserted, TM/FZ=both

Last Updated on 9/25/98
By Stefano Belforte
Email: Stefano.Belforte@pi.infn.it