RM0319 datasheet(29/368 Pages) STMICROELECTRONICS

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RM0319 数据表(PDF) 29 Page - STMicroelectronics

部件名	RM0319

功能描述	SPEAr320S architecture and functionality

PDF	368 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

29 / 368 page

RM0319

ARM926EJ-S

Doc ID 022640 Rev 3

29/368

3.3.3

Bus interface unit

The ARM926EJ-S bus interface unit (BIU) arbitrates and schedules the AHB requests.

The BIU contains separate masters for both instruction and data access, enabling multilayer

AHB and multi-AHB systems to be implemented, giving the benefit of increased overall bus

bandwidth and a more flexible system architecture.

To increase system performance, write buffers are used to prevent AHB writes from stalling

the ARM926EJ-S system.

Note:

For a detailed description of the interfaces of ARM926EJ-S, please refer to ARM926EJ-S

Technical Reference Manual.

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