They also feature standard and advanced communication interfaces, namely four I2Cs, three SPIs, three USARTs, one UART and one Low-Power UART, one SAI, one SDMMC, one CAN, one USB full-speed device crystal less.
In addition, up to 21 capacitive sensing channels are available. The devices offer a fast 12-bit ADC (5 Msps), two comparators, one operational amplifier, one DAC channel, an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, four general-purpose 16-bit timers, and two 16-bit low-power timers. The STM32L452xx devices embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall. The STM32L452xx devices embed high-speed memories (Flash memory up to 512 Kbyte, 160 Kbyte of SRAM), a Quad SPI Flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.
STM32CUBEMX SEGGER EMBEDDED STUDIO USB MASS STORAGE FULL
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 that supports all Arm ® single-precision data-processing instructions and data types. Description The STM32L452xx devices are ultra-low-power microcontrollers based on the high-performance Arm ® Cortex ®-M4 32-bit RISC core operating at a frequency of up to 80 MHz.
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