STM32L452RCI6

STM32L452RCI6 is an ultra‑low‑power 32‑bit MCU from STMicroelectronics (STM32L4 family) built around the ARM Cortex‑M4F core. It runs up to about 80 MHz and targets battery‑powered/energy‑efficient applications.
Key points:
- Core and performance: Cortex‑M4F with DSP/FPU
- Memory: flash and RAM sizes vary by package; RC variant typically provides hundreds of KB of flash and tens of KB of RAM
- Power: multiple low‑power modes for long battery life; operates from 1.65–3.6 V
- Peripherals: timers, 12‑bit ADCs (and possibly DAC), multiple communication interfaces (USART/UART, I2C, SPI), DMA, and utility peripherals; USB FS on some variants; LCD controller for segment LCDs
- Package and ecosystem: RC package family; supported by STM32CubeMX/HAL/LL libraries and a broad development ecosystem
Applications: wearables, sensors, portable instrumentation, and other energy‑conscious devices.
Want a focused spec sheet, pinout, or a tiny example project? I can tailor it.

Key features of STM32L452RCI6 (STM32L4 family)
- Core: 32-bit ARM Cortex-M4F with FPU and DSP instructions
- Speed: up to 80 MHz
- Memory: up to 256 KB Flash and up to 64 KB RAM (variants vary by device)
- Low‑power: ultra-low-power design with multiple run/stop/standby modes and VBAT RTC support
- Peripherals: USB 2.0 Full‑Speed (OTG capable), USART/UART, SPI, I2C, I2S, SDIO
- Analog: 12-bit ADC with multiple channels; additional analog features vary by variant
- Timers: multiple general-purpose and advanced-control timers for PWM and capture/compare
- Security/crypto: hardware AES, RNG, SHA accelerators and memory protection features
- Debug/ITE: standard SWD/JTAG debug support
- Operating voltage: 1.65–3.6 V
- Temperature range: industrial (-40 to 85°C) variants
- Package: 64-pin LQFP (RC) option
- Ecosystem: supported by STM32CubeMX/HAL, rich development tools and middleware
Note: exact RAM/Flash and peripheral counts depend on the specific device variant within the STM32L452 family.

- Pin count: 64 pins (LQFP-64 package).
- Function: 32‑bit ARM Cortex‑M4 microcontroller from ST’s STM32L4 family, designed for ultra‑low‑power embedded applications, with up to 512 KB Flash and 64 KB SRAM, USB Full‑Speed, and multiple peripherals (ADC/DAC, timers, I2C/SPI/UART, DMA, etc.).

- Manufacturer: STMicroelectronics (ST).
- What kind of company: A multinational electronics and semiconductor company, headquartered in Geneva, Switzerland. It designs, develops, and manufactures a wide range of semiconductor products (including STM32 microcontrollers), sensors, analog and power devices, and other integrated circuits.

Key application areas for STM32L452RCI6 (low‑power STM32L4 MCU):
- Wearables and health-monitoring devices
- Battery-powered sensors and data loggers (industrial, environmental)
- IoT endpoints and gateways (smart homes/meters)
- Medical/point-of-care equipment
- Consumer electronics and portable instrumentation
- Industrial automation and sensor networks
- Smart lighting and energy-management systems
- Environmental monitoring and data acquisition

A 64-pin LQFP package — specifically the LQFP-64 (STM32L452RCI6).