支持nvram盘，flash的文件系统，基于ucos，易移植，简单易用。-support nvram set, flash file system, based CENTER, easy to transplant, easy-to-use.

The M41T11is a low-power serial real time clock with 56 bytes of NVRAM. A built-in 32.768 kHz oscillator (external crystal controlled) and the first 8 bytes of the RAM are used for the clock/calendar function and are configured in binary coded

数显压力及报警系统 主要硬件有：ADC0832、DAC0832、nvRAM（6264）、蜂鸣器、LED报警指示灯、键盘等。-failed to translate