SOLUTION

• The master is also called as Initiator in PCI terminology.
• In PCI terminology, the master and slave are called the initiator and target, respectively.
• All transactions on the bus are between an initiator and a target. The PCI bus uses a centralized arbiter with independent request lines.
• The initiator, or bus master, is the device that initiates a transfer.
• The terms bus master and initiator can be used interchangeably and frequently are in the PCI specification.
• The target is the device currently addressed by the initiator for the purpose of performing a data transfer.
• PCI initiator and target devices are commonly referred to as PCI-compliant agents in the spec.