STM32L021D4P7
STMicroelectronics
STM32L021D4P7
STMicroelectronics
IC MCU 32BIT 16KB FLASH 14TSSOP
Reference Price (USD)
1+
$3.50000
500+
$3.465
1000+
$3.43
1500+
$3.395
2000+
$3.36
2500+
$3.325
Exquisite packaging
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STM32L021D4P7
$3.50
Product details
Designed for industrial IoT applications, the STM32L021D4P7 by STMicroelectronics redefines performance in Embedded - Microcontrollers. Its ultra-low power architecture and robust RF coexistence capabilities make it ideal for wireless sensor networks in smart factory environments.The ARM® Cortex®-M0+ core implements dynamic voltage scaling that reduces active power by 40% compared to fixed-voltage designs, extending battery life in remote monitoring nodes.A 32-Bit Single-Core architecture with single-cycle multiply-accumulate units accelerates FFT computations for vibration analysis in predictive maintenance applications.Operating at 32MHz with <1 A/MHz active current, the microcontroller delivers the perfect balance between performance and energy efficiency for energy-harvesting applications.The I²C, IrDA, SPI, UART/USART interfaces incorporate galvanic isolation support, enabling direct connection to industrial fieldbus networks without external isolation components.Brown-out Detect/Reset, DMA, POR, PWM, WDT include advanced security features like cryptographic accelerators and true random number generators, protecting industrial equipment from cyber threats.With 11 programmable as either digital or analog interfaces, the device can directly interface with diverse industrial sensors including 4-20mA loops.16KB (16K x 8) accommodates both the application code and wireless stack, with 20% headroom for future feature expansion in modular industrial controllers.The FLASH implementation supports live firmware updates with rollback protection, ensuring uninterrupted operation during field upgrades.512 x 8 of non-volatile storage maintains calibration data through 1 million write cycles, sufficient for decade-long operation in continuous process monitoring.2K x 8 of retention RAM maintains context during deep sleep modes, enabling instant wake-up response to critical process events.The 1.65V ~ 3.6V range supports direct powering from industrial 24V DC supplies through simple resistive dividers, simplifying power architecture.Precision A/D 4x12b achieve 16-bit effective resolution through oversampling, enabling direct connection to RTD temperature sensors without external amplifiers.The Internal design maintains 0.25% frequency accuracy for wireless protocol timing, eliminating the need for external crystal components in space-constrained designs.Rated for -40°C ~ 105°C (TA), the device operates reliably in foundry environments where ambient temperatures can fluctuate rapidly.Surface Mount packaging withstands repeated thermal shock from -40 C to 125 C, meeting reliability requirements for outdoor industrial installations.The 14-TSSOP (0.173", 4.40mm Width) format provides 8kV ESD protection on all pins, surviving electrostatic discharges common in plastic injection molding facilities.Available in 14-TSSOP, the microcontroller supports industrial-grade qualification including 1000-hour HTOL testing at 125 C.
Product Attributes
- Product Status: Active
- 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)
- Mounting Type: Surface Mount
- Package / Case: 14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package: 14-TSSOP
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