STMicroelectronics STM32L021D4P7TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.89 | $3.89 |
| 15+ | $0.89 | $13.35 |
| 25+ | $0.87 | $21.75 |
| 50+ | $0.82 | $41.00 |
| 100+ | $0.73 | $73.00 |
| N+ | $0.15 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L0 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | I2C, 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 | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 14-TSSOP |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| ROHS |  |
The STM32L021D4P7TR is an ultra-low-power 32-bit MCU from STMicroelectronics, built on the ARM Cortex-M0+ core. It operates at up to 32MHz with a supply range of 1.65V to 3.6V, making it ideal for energy-conscious designs. The device provides 16KB of flash memory and 2KB of SRAM in a compact 14-pin TSSOP package. Integrated features include DMA, PWM timers, watchdog timer, power-on reset, and brown-out detection, ensuring robust operation across -40°C to 105°C.
- Ultra-low power consumption: The 1.65V operation and optimized STM32L0 architecture extend battery life in portable devices.
- Compact footprint: The 14-pin TSSOP package saves PCB space for space-constrained designs.
- High-temperature tolerance: Rated for -40°C to 105°C, suitable for industrial and automotive environments.
- Integrated safety features: Brown-out reset and watchdog timer enhance system reliability.
- Efficient data handling: DMA controller offloads the CPU for peripheral-to-memory transfers.
Battery-Powered Sensor Nodes
The 1.65V minimum supply voltage allows direct operation from a single alkaline or Li-ion cell, while the low-power STM32L0 architecture extends battery life in IoT sensors.
Portable Medical Devices
With a 32MHz Cortex-M0+ core and 16KB flash, it can handle glucose meters and pulse oximeters, providing efficient processing for signal acquisition and display control.
Industrial Control Actuators
The integrated PWM timers and DMA controller enable precise, low-latency control of small DC motors and solenoids in industrial automation systems.
Smart Home Controllers
Its 14-pin TSSOP package and wide temperature range (-40°C to 105°C) make it ideal for compact smart switches and thermostat controllers in harsh environments.
Wearable Fitness Trackers
The low supply voltage and small footprint support compact PCB designs, while the WDT and POR ensure reliable operation during firmware updates and power fluctuations.
Automotive Body Electronics
Operating up to 105°C, this MCU can be used in interior lighting control and seat adjustment modules, where the brown-out detector ensures safe reset during cranking voltage dips.
- Q: What is the operating voltage range of the STM32L021D4P7TR?
- A: The supply voltage range is 1.65V to 3.6V, suitable for battery-powered applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M0+ core runs at up to 32MHz.
- Q: How much flash memory does this MCU have?
- A: It has 16KB of program flash memory and 2KB of SRAM.
- Q: What package is this device available in?
- A: It comes in a 14-pin TSSOP package with a 4.40mm width.
- Q: What are the key integrated peripherals?
- A: It includes DMA, PWM, WDT, POR, and brown-out detect/reset.
STM32L021D4P7TR.pdf
- Q: What is the operating voltage range of the STM32L021D4P7TR?
- A: The supply voltage range is 1.65V to 3.6V, suitable for battery-powered applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M0+ core runs at up to 32MHz.
- Q: How much flash memory does this MCU have?
- A: It has 16KB of program flash memory and 2KB of SRAM.
- Q: What package is this device available in?
- A: It comes in a 14-pin TSSOP package with a 4.40mm width.
- Q: What are the key integrated peripherals?
- A: It includes DMA, PWM, WDT, POR, and brown-out detect/reset.
