1 uart to 4

wk2114
......\原理图
......\......\WK2114_UART原理图.pdf
......\手册
......\....\WK2114_DS_CN_V010_2014-10-25.pdf
......\新建 文本文档.txt
......\驱动
......\....\驱动参考
......\....\........\wk2xxx_i2c_demo20150726.rar
......\....\........\wk2xxx_spi_demo2015.6.25.rar
......\....\........\wk2xxx_uart_demo(2015.3.25).rar
......\....\........\说明文档
......\....\........\........\WK2XXX串口扩展芯片驱动说明文档（iic接口）.pdf
......\....\........\........\wk21xx_spi说明文档.pdf
......\....\........\........\wk21xx_uart说明文档.pdf

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