Design of External Memory Based on the C8051F02x Microcomputer

Abstract:

The C8051F02x microcomputer and its saving structure are introduced, I/O function expanding and connecting are analyzed for its data. The exterior data and the structure of the memory are elaborated with the technique expanding request. Access or expansion of external data memory, external memory interfaces (EMIF). Its data memory address space can be flexibly implemented by the on-chip internal memory can be extended to chip memory. EMIF can be configured as address / data multiplexed or non-multiplexed mode. When big capacity FLASH memorizer is needed, this paper provides a realistic design and methodology for microcomputer and string big capacity FLASH of total line, through the setup and analysis of the SPI of the C8051F02x MCU inner part.

• Periodical: Advanced Materials Research (Volume 722)
• Pages: 64-67
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.722.64
• Online since: July 2013
• Authors: Zhi Jing Liu
• Keywords: C8051F02x, EMIF, Memory, SPI

References

[1] Yinxiaoxu (2010)A kind of exaltation systems respond to the SOC system frame of the speed[J].Microcomputer chip with built-in system application

[2] Zhangyingxin, Leiwen. (2005) The C8051F series SOC microcomputer principle and application[M].Peking: The defence industry publisher

[3] Helimin (2002) Seeing 8 bits microcomputer the road of the microcomputer development from the C8051 Fs[J].Microcomputer with built-in system application

[4] Zhangpeiren, Sunli. (2004)According to the C language C8051 series tiny controller principle and application[M].Peking: The Chin Hua university publisher.

[5] Caixiaowen (2008) According to the exterior of the C8051F020 the memory expand[J].Measure to control a technique, 3:(27)52-54.

[6] Fanyanyi, HehaiGuang (2007)The AT45DB081B collect the application in the system in the data[EB/OL]. [2007-04-28] http://design.eccn.com/design_2007042814160078.htm

[7] Yingchaolong, Wangyan and Liujun. (2009) According to the C8051F020 chips of multi-function counter design[J]. Microcomputer microcomputer development and application, vol25 8-2 periods:76-80.