The paper introduces a method of simulating dual-port RAM with SRAM by TDMA in the data collecting system composed of an m 51 microprocessor.

介绍了一种在51单片机采集系统中，使用普通SRAM，采用时分复用模似双口ram的方法。

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That's not such a bad deal, considering it comes with a Celeron M 420 CPU, 15-inch screen, DVD and CD burner, 512MB RAM and a 60GB hard drive.

ENGADGET: Circuit City to sell $100 Compaq laptop on Black Friday