Overview
The STM32L011E4Y6TR is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the Arm Cortex-M0+ core. This device is part of the STM32L0 series, known for its energy efficiency and robust feature set. The STM32L011E4Y6TR is designed to meet the needs of applications requiring low power consumption, high performance, and a wide range of peripherals.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Flash Memory | Up to 16 KB with ECC |
| SRAM | 2 KB |
| EEPROM | 512 B with ECC |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Standby Mode Current | 0.23 µA (2 wakeup pins) |
| Stop Mode Current | 0.34 µA (16 wakeup lines) |
| Run Mode Current | Down to 76 µA/MHz |
| Clock Speed | Up to 32 MHz |
| ADC Resolution | 12-bit, up to 10 channels |
| Package Type | WLCSP-25 |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- Arm 32-bit Cortex-M0+ core with up to 32 MHz clock speed
- Rich set of analog peripherals including a 12-bit ADC, ultra-low-power comparators, and a temperature sensor
- Multiple communication interfaces: USART, SPI, I2C, and UART
- 5-channel DMA controller supporting ADC, SPI, I2C, USART, and Timers
- Up to 28 fast I/Os (23 I/Os 5V tolerant)
- Internal low-power RC oscillators and a high-speed internal 16 MHz factory-trimmed RC oscillator
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Serial wire debug supported
- CRC calculation unit and 96-bit unique ID
Applications
- Battery-powered devices such as smart meters, fitness trackers, and wireless sensors
- Industrial control systems requiring low power consumption
- Automotive applications where energy efficiency is crucial
- Medical devices such as portable diagnostic equipment and wearables
- IoT devices and smart home appliances
Q & A
- What is the core architecture of the STM32L011E4Y6TR?
The STM32L011E4Y6TR is based on the Arm 32-bit Cortex-M0+ core.
- What is the power supply range for this microcontroller?
The power supply range is from 1.65 V to 3.6 V.
- What are the operating temperature ranges for this device?
The operating temperature range is from -40°C to 125°C.
- How much current does the device consume in Standby mode?
The device consumes 0.23 µA in Standby mode with 2 wakeup pins.
- What is the maximum clock speed of the STM32L011E4Y6TR?
The maximum clock speed is up to 32 MHz.
- What types of communication interfaces are available on this microcontroller?
The device supports USART, SPI, I2C, and UART interfaces.
- Does the STM32L011E4Y6TR support DMA operations?
Yes, it supports a 5-channel DMA controller for ADC, SPI, I2C, USART, and Timers.
- What is the resolution of the ADC on this device?
The ADC resolution is 12-bit, with up to 10 channels available.
- Is the STM32L011E4Y6TR suitable for battery-powered devices?
Yes, it is highly suitable due to its ultra-low-power consumption features.
- What package type is the STM32L011E4Y6TR available in?
The device is available in a WLCSP-25 package.
