Hi! I use embendded ADC1 channel 3 in STM32H743VIT6 for sampling data. Input in differential mode. For improve SNR i added capacitor 47pF parallel to diff input pins see fig1. Also this capacitor required by AN5354 This led to decrease noise floor l...

Good day!I am using stm32h7 with USB3300. For firm use CUBE MX 5.6.1. USB HS CDC VPC class USB with USB DMA Disable - everything works.As soon as I turn on USB DMA Enable, the device is no longer detected by the PC enumerating failed. Please tell me ...