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The access-line ultra-low power STM32L021F4U6 integrates a high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at 32 MHz, high-speed embedded memory (16 Kbytes of Flash programme memory, 512 bytes of data EEPROM, and 2 Kbytes of RAM), as well as a number of enhanced I/O and peripherals. STM32L021x4

The STM32L021F4U6 device has low power consumption and a wide performance range. This is achieved through a large selection of internal and external clock sources, internal voltage adaption, and multiple low-power modes.

Product Attributes

Core processor: ARM® Cortex®-M0+  

Core specification: 32-bit single core  

Speed: 32MHz  

Connectivity: I²C, IrDA, SPI, UART/USART  

Peripherals: Undervoltage Detect/Reset, DMA, POR, PWM, WDT  

Number of I/O: 16  

Program memory capacity: 16KB (16K x 8)  

Programme memory type: Flash  

EEPROM Size: 512 x 8  

RAM Size: 2K x 8  

Voltage - Supply (Vcc/Vdd): 1.65V ~ 3.6V  

Data Converter: A/D 7x12b  

Oscillator Type: Internal  

Operating Temperature: -40°C ~ 85°C (TA)  

Mounting Type: Surface Mount  

Package/Housing: 20-UFQFN  

Supplier Device Package: 20-UFQFPN (3x3)

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.