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AN4841 Application note - st.com
www.st.comFebruary 2018 AN4841 Rev 2 1/25 1 AN4841 Application note Digital signal processing for STM32 microcontrollers using CMSIS Introduction This application note describes the development of digital filters for analog signals, and the transformations between time and frequency domains. The examples discussed in this
AN4841 Application note - STMicroelectronics
www.st.comThe floating point unit in the Cortex®-M4 is only single precision, as it includes an 8-bit exponent field and a 23-bit fraction, for a total of 32 bits (see Figure 1). The floating point unit in the Cortex®-M7 supports both single and double precision, as indicated in Figure 2.