| Specification of STM32L021D4P7D | |
|---|---|
| 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 | 11 |
| 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 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40C ~ 105C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 14-TSSOP (0.173″, 4.40mm Width) |
| Supplier Device Package | 14-TSSOP |
Applications
The STM32L021D4P7D is ideal for low-power, battery-operated devices such as smartwatches, fitness trackers, and IoT sensors. It supports a wide range of applications including home automation systems, wearable technology, and industrial control systems. Key features include its ultra-low power consumption, making it suitable for long battery life in portable electronics.
Key Advantages
1. Ultra-low power consumption: The STM32L021D4P7D operates at very low voltages, consuming less than 1 μA in deep sleep mode, which extends battery life significantly.
2. Flexible analog-to-digital converters (ADCs): It includes up to 8 channels of ADCs that can be configured for various sampling rates and resolutions, supporting high precision measurements.
3. High performance Cortex-M0+ core: The processor runs at speeds up to 36 MHz, providing fast processing capabilities even under low power conditions.
4. Comprehensive certification: The chip meets various industry certifications, including CE, FCC, and RoHS, ensuring compliance with international standards.
Frequently Asked Questions
Q1: Can the STM32L021D4P7D operate in extreme temperatures?
A1: Yes, it operates within a temperature range from -40°C to +85°C, making it suitable for both cold and hot environments.
Q2: Is the STM32L021D4P7D compatible with other STM32 series chips?
A2: While it shares some architectural similarities with other STM32 series chips, specific peripherals and features may differ. Compatibility should be verified through official documentation or direct comparison.
Q3: In what specific scenarios would you recommend using the STM32L021D4P7D?
A3: The STM32L021D4P7D is recommended for applications requiring extended battery life combined with high precision sensing capabilities, such as in medical devices, environmental monitoring systems, and energy-efficient home appliances.
Other people’s search terms
– Low-power microcontroller for IoT devices
– Ultra-low voltage operation MCU
– STM32L021D4P7D specifications
– Battery-saving microcontroller solutions
– STM32L021D4P7D application notes
English 
Russian 
Polish 
Indonesian 
Japanese 
Persian