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求DAC7554驱动

Other Parts Discussed in Thread: DAC7554

求基于ARMcortex—M4的DAC7554用C语言编写的驱动,求大神教导,已经调试很长时间都不行。

  •  DAC7554 是  Serial SPI   接口的 DAC 芯片。已经调试很长时间都不行。我想是调试方法没有掌握好吧,应该借助工具先验证时序。再逐步验证数据和芯片端的响应。 当然先要确认芯片供电, 复位等条件正常。至于 ARMcortex—M4 还是其它核, 关系不大。

  •     大神能否发一个SPI通信的三线(DIN,SYNC,SCLK)的DAC示例程序给我参考下,我还是新手,谢谢!