CloudEdge/bl_mcu_sdk
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bl_mcu_sdk/examples/dac/dac_poll/readme.md
jzlv de9ab77abc [doc][dac] update dac demo readme
2021-11-10 16:49:40 +08:00

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  • 将 CONFIG_GPIO11_FUNC 设置成 GPIO_FUN_DAC
  • 如果使用外部参考电压，将 CONFIG_GPIO7_FUNC 设置成 GPIO_FUN_ADC
  • 设置 BSP_DAC_CLOCK_SOURCE 为 ROOT_CLOCK_SOURCE_AUPLL_24000000_HZ
  • 设置 BSP_DAC_CLOCK_DIV 为 2，能够得到500KHZ

$ make APP=dac_poll BOARD=bl706_iot