Specification of STM32L021D4P7TR | |
---|---|
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 STM32L021D4P7TR microcontroller is well-suited for applications requiring low power consumption and high performance in embedded systems. It is ideal for use in smart home devices where it can manage energy-efficient lighting and appliance controls. In automotive applications, it supports advanced driver assistance systems by processing sensor data with minimal power usage. Additionally, it finds application in industrial automation, where its robustness and precision timing capabilities are crucial for control loops. The microcontroller operates within a wide temperature range from -40¡ãC to +85¡ãC, making it suitable for harsh environments.
Key Advantages
1. Technical specification 1: The STM32L021D4P7TR features a 32-bit ARM Cortex-M0+ core running at up to 36 MHz, providing excellent processing speed without excessive power consumption.
2. Unique architecture feature: It includes a dedicated hardware random number generator that enhances security in cryptographic operations.
3. Power efficiency data: With a typical active current of 90 ¦ÌA/MHz, the microcontroller offers exceptional power efficiency, making it suitable for battery-powered applications.
4. Certification standards: The STM32L021D4P7TR complies with various certification standards such as ISO 26262 for automotive safety and IEC 62304 for medical devices, ensuring reliability and safety in critical applications.
FAQ
Q1: Can the STM32L021D4P7TR be used in applications requiring high precision timing?
A1: Yes, the microcontroller supports high-precision timers and has a dedicated real-time clock unit, making it suitable for applications that require precise time management.
Q2: Is the STM32L021D4P7TR compatible with other STM32 series microcontrollers?
A2: While there may be some differences in peripherals and features, the STM32L021D4P7TR maintains backward compatibility with many STM32 series microcontrollers, allowing for easy integration into existing projects.
Q3: What development tools should I use when working with the STM32L021D4P7TR?
A3: For development, you can use Keil MDK-ARM, which provides comprehensive support for STM32 microcontrollers, including debuggers, compilers, and libraries.
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