A terminal that SOC embedded controller is taken as the core has been designed to be connected with the apparatus of digital voltage detection by RS485 bus.
设计了以SO C嵌入式控制器为核心的终端,通过RS485总线与现场数字电压检测仪连接,建立了用电参数监测管理系统。
It measures excess phase of voltage current by using digital circuit, Based on the reactive compensation theorem, the software hardware of the controller is deigned.
该控制器采用数字检测电路来获取电网电压与电流的相位差,从无功补偿的原理出发,设计控制器的软硬件。
It consists of a digital controller, SRAM for display data memory, a DC-DC voltage converter, reference current generators, a pre-charge voltage generator, 64 common drivers, and 132 segment drivers.
芯片内部主要包括数字控制器,显示数据存取器,DC - DC电压转换器,参考电流产生器,电压预充电路产生器,64个行驱动电路和132个列驱动电路。
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