该配料控制器还配有标准的RS—485总线接口，较好地实现了配料控制系统的网络化设计。
The batch controller also has a standard interface of RS-485 bus, preferably achieved the network design of the batch control system.
对于多款微处理器本身没有USB的控制器，为了在嵌入式系统中使用USB设备，需要自行扩展usb接口。
When some microprocessors working with USB equipments in embedded systems without their own USB controller, their USB interface must be expanded.
单片机是将运算器、存储器、定时器、模数转换器和串行通信接口等集成在一个芯片上的小型计算机系统，它可以被嵌入到各种自动控制器和智能电子产品中。
Microcontroller is a small computer system that integrates ALU, memory, timer, ADC, UART, etc in one chip. it can be embedded into many kinds of controllers and intelligent electronic products.
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