Bus activity in PCI Commands

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Is Bus activity is in the form of transcations?if so then share few of PCI Commands?

why C/BE lines are used?

 

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Answered By 0 points N/A #122805

Bus activity in PCI Commands

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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.
 
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 data 
Configuration Read
Input output write
memory write and Invalidate
memory Read: It is used to transfer burst of a data
Memory Write
Memory Read line 
Memory Read Multiple
 
The C/BE lines are used to signal,these signals are of the transaction type.

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