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bl_mcu_sdk/examples/dac/dac_poll/readme.md
2021-11-10 16:49:40 +08:00

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-**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****ROOT_CLOCK_SOURCE_AUPLL_24000000_HZ**
- 设置 **BSP_DAC_CLOCK_DIV****2**能够得到500KHZ
```bash
$ make APP=dac_poll BOARD=bl706_iot
```