Bus interface unit having dual purpose transaction buffer

摘要: A bus interface unit includes a random-access transaction buffer and at least one pointer queue. The stores entries for both in-order transactions combinable write transactions, the queue pointers to so as order transactions. When received has writing address that falls within range of stored is merged with transaction. Additionally, method provided processing requested determines if If not, data information loaded into an empty entry in buffer, placed Alternatively, transaction, transaction's so, In preferred embodiment, does not fall any buffer.