| Specification of STM32L021D4P7DTR | |
|---|---|
| Status | Active |
| Series | STM32L0 |
| Package | Tape & Reel (TR) |
| 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 STM32L021D4P7DTR is ideal for low-power, battery-operated devices such as wearable electronics, IoT sensors, and small embedded systems. It supports a wide range of applications due to its low power consumption and high integration capabilities.
Industry-specific implementations include smartwatches that require long battery life and minimal power usage, IoT sensors designed for energy-efficient monitoring, and small embedded systems like home automation devices.
Tech parameters include an operating temperature range from -40¡ãC to +85¡ãC, making it suitable for various environmental conditions.
Key Advantages
1. Low Power Consumption: The STM32L021D4P7DTR operates at very low voltages and consumes minimal power, making it perfect for battery-powered devices.
2. Unique Architecture Feature: It includes a dedicated low-power mode that can be activated when the device is idle, significantly reducing power consumption without affecting performance.
3. Power Efficiency Data: The chip achieves up to 90% power efficiency under typical operating conditions, which is crucial for extending battery life in portable devices.
4. Certification Standards: The STM32L021D4P7DTR complies with various certification standards, ensuring it meets safety and reliability requirements for industrial and consumer applications.
Frequently Asked Questions
Q1: How does the STM32L021D4P7DTR manage power consumption?
A1: The STM32L021D4P7DTR manages power consumption through its low-power modes and efficient clock management system. When the device is not actively processing tasks, it enters a low-power sleep mode, drastically reducing power usage.
Q2: Is the STM32L021D4P7DTR compatible with other STM32 series chips?
A2: Yes, the STM32L021D4P7DTR is fully compatible with other STM32 series chips, allowing for easy integration into existing projects and systems.
Q3: In what specific scenarios would you recommend using the STM32L021D4P7DTR?
A3: The STM32L021D4P7DTR is recommended for scenarios requiring extended battery life, such as in wearables, IoT devices, and small embedded systems where power conservation is critical.
Other people’s search terms
– Low-power microcontroller
– Battery-operated devices
– IoT sensor solutions
– Energy-efficient embedded systems
– Small form-factor controllers
English 
Russian 
Polish 
Indonesian 
Japanese 
Persian