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West Bridge
The West Bridge is a growing architectural approach, originally developed by Cypress Semiconductor, which enhances and modularizes a peripheral controller in an embedded computer architecture. Conceptually, the West Bridge parallels and complements the decentralization represented by the North Bridge and the South Bridge. Most notably, it has been used by Research in Motion to permit extremely high data transfer rates in its BlackBerry devices.〔(EETimes - Under the Hood: Blackberry Wins Handset Data-Rate Bakeoff )〕
==Overview==
While the North Bridge focuses on memory control and the South Bridge focuses on "slower" capabilities of the motherboard, the West Bridge focuses on peripheral control. The new architectural modularization opens the potential for increased system performance. Being directly connected, peripheral control can be handled wholly and independently through a West Bridge's controller, leaving a processor offloaded and free to focus on other data intensive operations. Not only in increasing performance of the system via the processor, a West Bridge companion chip may itself serve directly as a peripheral accelerator.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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