STMicroelectronics STM32L021D4P7DTR
| 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 |
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| 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 STM32L021D4P7DTR is a low-power 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M0+ core at 32MHz. It provides 16KB of flash and 2KB of SRAM, operating from 1.65V to 3.6V. Housed in a 14-pin TSSOP, it includes DMA, PWM, WDT, POR, and brown-out detection. This MCU is designed for energy-efficient and space-constrained applications, with an operating temperature range of -40°C to 105°C.
- Energy-efficient operation: 1.65V minimum supply reduces power draw in battery devices.
- Space-saving design: 14-TSSOP package minimizes board area.
- Robust performance: Operates reliably from -40°C to 105°C.
- Peripheral integration: DMA and PWM reduce CPU workload.
- Safety mechanisms: Brown-out reset and watchdog ensure system stability.
Wireless Sensor Networks
The low 1.65V operation and 32MHz processing enable energy-efficient data aggregation in Zigbee or LoRa nodes, reducing power supply complexity.
Industrial Process Monitors
With a wide temperature range and WDT, it reliably monitors pressure or flow sensors in factory floors, ensuring continuous operation.
Consumer Electronics Remote Controls
The small 14-pin package and low power consumption make it suitable for IR/RF remote controls with long standby time.
Smart Agriculture Probes
Its ability to run from solar-charged batteries and operate at high temperatures supports soil moisture and temperature sensing in outdoor fields.
Medical Wearable Patches
The compact size and low-voltage operation allow for thin, flexible PCB designs for continuous health monitoring patches.
Building Automation Thermostats
PWM outputs and DMA facilitate driving LCD segments and reading temperature sensors, while the brown-out reset ensures stable operation during HVAC power cycling.
- Q: What is the core processor of the STM32L021D4P7DTR?
- A: It uses the ARM Cortex-M0+ core running at up to 32MHz.
- Q: What is the memory configuration?
- A: It has 16KB of flash program memory and 2KB of SRAM.
- Q: What is the supply voltage range?
- A: The device operates from 1.65V to 3.6V.
- Q: What package is available?
- A: It is offered in a 14-TSSOP package with 4.40mm width.
- Q: What temperature range does it support?
- A: It is rated for -40°C to 105°C ambient temperature.
- Q: What is the core processor of the STM32L021D4P7DTR?
- A: It uses the ARM Cortex-M0+ core running at up to 32MHz.
- Q: What is the memory configuration?
- A: It has 16KB of flash program memory and 2KB of SRAM.
- Q: What is the supply voltage range?
- A: The device operates from 1.65V to 3.6V.
- Q: What package is available?
- A: It is offered in a 14-TSSOP package with 4.40mm width.
- Q: What temperature range does it support?
- A: It is rated for -40°C to 105°C ambient temperature.

STM32L021D4P7DTR.pdf