| Specification of STM32L021G4U6 | |
|---|---|
| Status | Active |
| Series | STM32L0 |
| Package | Tray |
| Supplier | STMicroelectronics |
| Digi-Key Programmable | Not Verified |
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | IC, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 24 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 2K x 8 |
| Voltage – Supply (Vcc/Vdd) | 1.65V ~ 3.6V |
| Data Converters | A/D 10x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40C ~ 85C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 28-UFQFN |
| Supplier Device Package | 28-UFQFPN (4×4) |
Applications
The STM32L021G4U6 microcontroller is well-suited for applications requiring low power consumption and high performance in embedded systems. Here are some specific use cases:
- Smart Home Devices: Ideal for controlling smart home appliances like thermostats and lighting systems.
- Wearable Technology: Suitable for fitness trackers and smartwatches due to its low-power capabilities.
- Industrial Automation: Used in small-scale automation tasks where precise timing and low power usage are critical.
- IoT Sensors: Perfect for sensor nodes that need to operate continuously over long periods without recharging.
- Embedded Systems: General-purpose use in various embedded systems where power efficiency is crucial.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **Low Power Consumption:** The STM32L021G4U6 operates at very low voltages and consumes minimal power, making it ideal for battery-powered devices.
2. **Flexible Memory Configuration:** Supports up to 1 MB of flash memory and can be configured with different memory layouts to optimize space and performance.
3. **Power Efficiency Data:** It achieves a typical active mode current consumption of less than 1 ¦ÌA, which is excellent for battery life in portable devices.
4. **Certification Standards:** Meets various certification standards such as CE, FCC, and RoHS, ensuring compliance with international regulations.
FAQ
Q1: How does the STM32L021G4U6 handle power management?
A1: The microcontroller features a low-power sleep mode that can reduce power consumption by up to 99% when the device is idle, extending battery life significantly.
Q2: Is the STM32L021G4U6 compatible with other STM32 series microcontrollers?
A2: Yes, it is fully compatible with other STM32 series microcontrollers through standard peripherals and protocols, allowing for easy integration into existing projects.
Q3: What development tools should I use for the STM32L021G4U6?
A3: For development, you can use Keil MDK-ARM, IAR Embedded Workbench, or GCC ARM Embedded compiler, depending on your preference and project requirements.
Other people’s search terms
– Low-power microcontroller for IoT devices
– STM32L021G4U6 application notes
– STM32L021G4U6 datasheet
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