Posted on November 30, 2016 at 09:12Hello,In our application for audio codec IC, we have used I2S in full duplex mode with DMA.I have copied code for I2S . Can anyone suggest me what could be wrong with this ?static void I2SInit(){     // Enable PLL...

Posted on November 11, 2016 at 11:50Hello Everyone,In our application , Radio is connected to  stm32f4 series MCU via SPI and radio Irq line connected to one of the Exti line of mcu. Before putting into the stop mode, radio has been configured . Upo...

Posted on April 25, 2016 at 14:20Hi , I want to generate signal equal to 2.048MHz for audio codec IC which need to be very precise . Right now I have configured TIM8 CHN3 with per-scaler = 0 and period = 40 and timer peripheral clock is around 84 MH...

Posted on April 20, 2016 at 14:06Hi, In our environment , we have interfaced codec IC with I2C peripheral . Once codec IC has been configured , both SDA and SCL @ High logic level . Now if controller reset happened , SDA line remains low and inhibi...

Posted on April 14, 2016 at 16:31Hello , I have configured I2S3ext of STM32F4 which is interfaced with audio codec. In our environment , Sample Frequency is  @ 8 KHz . CHSIDE bit of I2S status register always remains in reset state . I have checked...