DAC81402: sync 产生的 output glitch 处理 Part Number:DAC81402 您好,手册Figure7-35提到DAC Output Enable Glitch,sync信号引起的glitch 150mV左右。我使用正负15V提供AVDD,AVSS;DADD 5V,IOVDD3.3V。设计的板卡作为Analogue output,测到了这个glitch。这个glitch影响output输出值比较大。 这个glitch如何减弱直...
触发DAC转化的方式有多种,选择了对应的触发源就需要进行相关的配置,有不少人配置都遗漏一些相关配置,从而导致无输出电压,或者电压输出不同步等问题。 比如:选择了定时器触发,但定时器没有配置成对应触发源。 TIM_SelectOutputTrigger(TIM2, TIM_TRGOSource_Update); 还比如:定时器参数不对,导致定时触发频率不对。
代码整合 voiddac_config(void){dac_deinit();/* configure the DAC0 */dac_trigger_disable(DAC0);dac_wave_mode_config(DAC0,DAC_WAVE_DISABLE);dac_output_buffer_enable(DAC0);/* configure the DAC1 */dac_trigger_disable(DAC1);dac_wave_mode_config(DAC1,DAC_WAVE_DISABLE);dac_output_buffer_...
DAC_InitStructure.DAC_Trigger = DAC_Trigger_Software;DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;DAC_Init(DAC_Channel_1, &DAC_InitStructure); DAC_Cm...
stm32的DAC_OutputBuffer 使能与不使能的区别 序号 .DAC_OutputBuffer = DAC_OutputBuffer_Enable 使能 .DAC_OutputBuffer = DAC_OutputBuffer_Disable 不使能 备注 1 下限电压 0.2v 0(其实所谓的0v是0.5mV) 2 上限电压 Vdda-0.2V ... 查看原文
31 DAC_OutputBuffer = DAC_OutputBuffer_Disable; 32 DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0; 33 DAC_Init(DAC_Channel_1, &DAC_InitStructure); 34 35 DAC_Cmd(DAC_Channel_1, ENABLE);//Enable DAC Channel_1. 3637 DAC_DMACmd(DAC_Channel_1, ENABLE);//Enable ...
DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable; DAC_Init(DAC_Channel_1, &DAC_InitStructure); // DAC_Cmd(DAC_Channel_1, ENABLE); DAC_SoftwareTriggerCmd(DAC_Channel_1,ENABLE); } 配置完成后,调用DAC_SetChannel1Data(DAC_Align_12b_R,4000);函数就可以发送数据了!!极其方便。比起56...
\brief set DAC output voltage \param[in] vol: output voltage, unit: mV \param[out] none \retval none*/static void dac_value_set(uint16_t vol){ uint16_t dac_reg_value; dac_reg_value = vol*4096.0/3300;#if defined (GD32F10X_HD)||(GD32F20X_CL)||(GD32F30X_HD)||(GD32F4X...
dac_output_buffer_enable用于缓存的配置,如果不使用输出缓存,因此使用dac_output_buffer_enable()关闭缓存。 4)使能 DAC 转换通道 初始化 DAC 之后,理所当然要使能 DAC 转换通道,库函数方法是: dac_enable(DAC0);//使能 DAC0 5)设置 DAC 的输出值。
= DAC_Trigger_Software;DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;DAC_Init(DAC_Channel_1, &DAC_InitStructure);DAC_Cmd(DAC_Channel_1, ENABLE);}...