It has pin-to-pin compatibility and can replace the STM32F4 without having to change the board layout. The STM32L4 microcontroller can be used to replace a current design using the STM32F4 to get low power functionality. The entire system performance is optimized using a multi-AHB bus matrix and DMA controllers. It delivers 100 DMIPS/273 CoreMark thanks to the ST ART Accelerator™ at 80MHz. It offers up to 1Mbyte of Flash (dual bank) and 128 Kbytes of SRAM. The STM32L4 outperforms the market in the ultra-low-power domain with an EEMBC ULPBench score of 150 ULPBench™-CP. It extends flexibility to reach optimized power consumptions. The STM32L4 microcontroller is based on a new ultralow-power platform featuring FlexPowerControl. ![]() It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all ARM single-precision data-processing instructions and data types. STMicroelectronics STM32L4 32-Bit MCU+FPU are ultralow-power microcontrollers based on the high-performance ARM® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80MHz. Supported by wide choice of Integrated Development Environments (IDEs) including IAR ™ , Keil ® , GCC-based IDEs (AC6 SW4STM32. ![]()
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