Asked By
deena
0 points
N/A
Posted on - 12/14/2011
Is Bus activity is in the form of transcations?if so then share few of PCI Commands?
why C/BE lines are used?
Â
Bus activity in PCI Commands
Â
Yes bus activities are in the form of transactions.Bus activities are between target,master or an initiator.
PCI commands that use in Bus activities are as follow.
Â
Dual Address Cycle
Interrupt Acknowledge:It is the read command
Special Cycle: It is used to broadcast any message
Configuration Write
input output read: It is used to transfer dataÂ
Configuration Read
Input output write
memory write and Invalidate
memory Read: It is used to transfer burst of a data
Memory Write
Memory Read lineÂ
Memory Read Multiple
Â
The C/BE lines are used to signal,these signals are of the transaction type.