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serial1To4
- 一个实现一个串口扩展四个串口的实现程序，主芯片使用51，扩展了四个子串口，子串口芯片VK32，51和子串口之间用SPI通信。 全部代码在产品上验证通过。
par
- 维肯VK3266芯片并转串驱动开发，含主串-->四个分串口及并转串口；单片机为STC8051-And string-driven switch
VK3214
- windows ce 平台上扩展串口驱动，使用芯片vk3214，同vk3222程序可相互移植。串口扩串口可用于低速领域，高速就需要用spi2serial或i2cToserial-windows ce platform expansion serial driver, use the chips vk3214, with vk3222 procedures and Transplantation. Expansion of low-speed serial port can be used in
VK3362_DS_CN_FV_V01
- VK32多串口转换芯片电路图，详细请参看公司网站介绍-VK32-chip multi-serial converter circuit, please refer to its website detailed----------
vk32-serial-routines
- 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.
VK32-principles-and-application
- 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