Patent ID: 8327034

Claim:
A slave device for use in a microprocessor system, comprising: means for coupling the slave device to a communications bus wherein resources of the slave device may be accessed by a master device issuing an access request for addressing those resources via the bus; translation means for storing relationships between addresses to be used by a master device to access the resources on the slave device and the internal addresses for those resources on the slave device; identifying means for attempting to identify, from the address used by said master device in said access request and the stored address relationships, a slave resource to which the access request applies; and means, when said identifying means cannot identify the slave resource to which the access request applies and when the access request by the master device is a write request having a value to be written to a resource, for storing on the slave device the address used by the master device in the write request and the value in the write request that is to be written to the addressed resource.