The DSP instructions and the floating point unit enlarge the range of addressable applications. The STM32 F4 series is the result of a perfect symbiosis of the real-time control capabilities of an MCU and the signal processing performance of a DSP, and thus complements the STM32 portfolio with a new class of devices, digital signal controllers (DSC). The STM32 F4 series remains pin-to-pin and software compatible with the STM32 F2 series and features more SRAM, peripheral improvements such as full duplex I²S, improved RTC and faster ADCs. The devices are available in LQFP64, LQFP100, LQFP144, LQFP176 and UFBGA176 packages.
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