Model No: STM32L051C8T6
STMicroelectronics STM32L051C8T6
Manufacturer: STMicroelectronics
SEMICON NO.: STM32L051C8T6
Package: 48-LQFP
Stock: In stock
Description: Industrial MCU STM32L0 32bit 37 I/Os
SEMICON NO.: STM32L051C8T6
Package: 48-LQFP
Stock: In stock
Description: Industrial MCU STM32L0 32bit 37 I/Os
Quantity :
| Mfr | STMicroelectronics |
| Device Type | 32-bit Microcontroller (MCU) |
| Product Family | STM32L0 Series |
| Core Processor | Arm® Cortex®-M0+ |
| Core Size | 32-bit Single-Core |
| Maximum CPU Speed | 32 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM (SRAM) | 8 KB (8K x 8) |
| Data EEPROM | 2 KB (2K x 8) |
| Analog Peripherals | ADC: 12-bit, 1.14 Msps |
| General-Purpose I/O Pins | 37 |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to +85°C |
| Package | 48-LQFP |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
The STM32L051C8T6 is an ultra-low-power 32-bit microcontroller from STMicroelectronics, built on the energy-efficient Arm Cortex-M0+ core operating at frequencies up to 32MHz. This device features 64KB of Flash memory with ECC, 8KB of SRAM, and 2KB of data EEPROM, providing substantial storage for embedded applications. Housed in a compact 48-pin LQFP package measuring 7mm x 7mm, the chip operates across a wide voltage range of 1.65V to 3.6V with an extended temperature range from -40°C to +85°C. Distinguished by its exceptional power efficiency, the microcontroller achieves 88µA/MHz consumption in Run mode, 0.4µA in Stop mode, and merely 0.27µA in Standby mode, making it an optimal choice for battery-powered and energy-harvesting applications requiring extended operational lifetimes.
Feature Highlights
● Ultra-Low-Power Architecture: Implements five distinct low-power modes including Low-power Run, Sleep, Low-power Sleep, Stop, and Standby, with rapid wake-up times of 3.5µs from RAM and 5µs from Flash memory.
● Flexible Memory Configuration: Provides 64KB Flash with error correction coding, 8KB SRAM, and 2KB true EEPROM with sector protection against unauthorized read/write operations.
● Rich Analog Integration: Features a 12-bit ADC with hardware oversampling capability and two ultra-low-power comparators for mixed-signal applications.
● Comprehensive Timer Ecosystem: Includes one low-power timer (LPTIM), three general-purpose 16-bit timers, one basic timer, RTC with calendar function, and SysTick for timebase generation.
● Multiple Communication Interfaces: Supports USART, SPI, and I2C protocols for flexible system connectivity in various embedded configurations.
● Clock Flexibility: Offers diverse clock sources including 1-25MHz crystal oscillator, 32kHz RTC oscillator with calibration, 16MHz internal RC (+/-1% accuracy), and 37kHz low-power internal RC.
FAQ
Q: What distinguishes the STM32L051C8T6 from the STM32F051C8T6?
A: The STM32L051 is optimized for ultra-low-power applications with superior energy efficiency (0.27µA standby versus higher consumption in F-series), while the STM32F051 offers higher performance with 48MHz operation but increased power consumption, making the L-series preferable for battery-critical applications.
Q: How does the LPTIM benefit low-power designs?
A: The Low-Power Timer can operate in Stop mode without waking the CPU, enabling timed events and PWM generation while consuming minimal current, which is essential for applications requiring periodic sensor sampling without full system activation.
Alternative MCU Models
● Texas Instruments MSP430FR5969: This 16MHz ultra-low-power MCU features 64KB of non-volatile FRAM memory with 100µA/MHz active consumption and sub-1µA standby modes, offering excellent power efficiency for battery-operated applications.
● Microchip SAM L21: This Arm Cortex-M0+ based MCU operates at 48MHz with 256KB Flash and 40KB SRAM, achieving less than 35µA/MHz consumption and 200nA standby current for IoT and wireless applications.
● Nordic nRF52810: This Bluetooth 5.2 SoC integrates an Arm Cortex-M4 processor with 192KB Flash and 24KB RAM, targeting wireless connectivity applications requiring both low power and radio functionality.
Feature Highlights
● Ultra-Low-Power Architecture: Implements five distinct low-power modes including Low-power Run, Sleep, Low-power Sleep, Stop, and Standby, with rapid wake-up times of 3.5µs from RAM and 5µs from Flash memory.
● Flexible Memory Configuration: Provides 64KB Flash with error correction coding, 8KB SRAM, and 2KB true EEPROM with sector protection against unauthorized read/write operations.
● Rich Analog Integration: Features a 12-bit ADC with hardware oversampling capability and two ultra-low-power comparators for mixed-signal applications.
● Comprehensive Timer Ecosystem: Includes one low-power timer (LPTIM), three general-purpose 16-bit timers, one basic timer, RTC with calendar function, and SysTick for timebase generation.
● Multiple Communication Interfaces: Supports USART, SPI, and I2C protocols for flexible system connectivity in various embedded configurations.
● Clock Flexibility: Offers diverse clock sources including 1-25MHz crystal oscillator, 32kHz RTC oscillator with calibration, 16MHz internal RC (+/-1% accuracy), and 37kHz low-power internal RC.
FAQ
Q: What distinguishes the STM32L051C8T6 from the STM32F051C8T6?
A: The STM32L051 is optimized for ultra-low-power applications with superior energy efficiency (0.27µA standby versus higher consumption in F-series), while the STM32F051 offers higher performance with 48MHz operation but increased power consumption, making the L-series preferable for battery-critical applications.
Q: How does the LPTIM benefit low-power designs?
A: The Low-Power Timer can operate in Stop mode without waking the CPU, enabling timed events and PWM generation while consuming minimal current, which is essential for applications requiring periodic sensor sampling without full system activation.
Alternative MCU Models
● Texas Instruments MSP430FR5969: This 16MHz ultra-low-power MCU features 64KB of non-volatile FRAM memory with 100µA/MHz active consumption and sub-1µA standby modes, offering excellent power efficiency for battery-operated applications.
● Microchip SAM L21: This Arm Cortex-M0+ based MCU operates at 48MHz with 256KB Flash and 40KB SRAM, achieving less than 35µA/MHz consumption and 200nA standby current for IoT and wireless applications.
● Nordic nRF52810: This Bluetooth 5.2 SoC integrates an Arm Cortex-M4 processor with 192KB Flash and 24KB RAM, targeting wireless connectivity applications requiring both low power and radio functionality.
