VK32、VK33系列的串口驱动程序例程，包括SPI转串口，IIC转串口和USART转串口三种方式。-VK32, VK33 series of serial driver routines, including SPI serial transfer, IIC-serial and USART serial transfer in three ways.

UART以其简单可靠，抗干扰强，传输距离远，组网方便，被认为是嵌入式系统中进行串行数据传输的最佳方式。本文介绍了专为嵌入式系统设计的VK32系列新型多总线接口UART器件的原理及应用技术。-UART with its simple, reliable, strong anti-interference, transmission distance, network convenience, is considered the best way to embedded systems for se