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  • Mfr Part #STM32L021K4T6
  • ManufacturerSTMicroelectronics
  • HQ Part #UN0004406
  • PackageLQFP32_7X7MM
  • Lead Time Ship immediately
  • DescriptionAccess line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+, 16KB Flash, 2KB SRAM, 512B EEPROM, ADC, AES

  • Customer #
  • Datasheet Datasheet
Product Attributes View Similar
TypeDescription Select
Product Type
Memory Ram Capacity2KB
Operating Voltage (Range)1.65V~3.6V
Program Space TypeFLASH
Program Space Capacity16KB
Total Number Of I/O Ports28
Primary Frequency Speed (Max)32MHz
CPU CoreARM Cortex-M0+
Package / CaseLQFP32_7X7MM
Installation Type-
Maximum Clock Frequency32MHz
ADC Resolution12
Operating Frequency32MHz
Partlife CycleActive
Country of OriginSwitzerland
Original ManufacturerSTMicroelectronics
Size7.00 x 7.00mm
EEPROM Capacity512B
PeripheralBrown-out Detect/Reset, DMA, POR, PWM, WDT
Part StatusActive
Operating Temperature-40°C~85°C
Terms of Service
ShippingDelivery Period For stock parts, orders placed on HQonline from 8:00-16:00 will be dispatched on the same day
Once shipped, the transit time depends on the logistics provider you choose:
DHL Express, 3-5 days
FedEx International, 3-5 days
China Post Airmail, 15-45 days
Shipping RateShipping rate for your order can be found in the shopping cart.
Shipping OptionWe provide DHL, FedEx, and China Post Airmail shipping.
Shipping TrackingWe will notify you by email with a tracking number once the order is shipped. You can also find the tracking number in the order history.
Returning/WarrantyReturning HQonline only accepts return requests due to quality issues. Return requests should be submitted within 30 days of delivery of the goods, please contact customer service for a return authorization.
Parts should be unused and in original packaging.
The customer has to take charge of the shipping.
Warranty All HQonline purchases come with a 30-day money-back return policy, plus a 90-day HQonline warranty against any manufacturing defects.
This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by the customer to follow instructions, product modification, negligent or improper operation.
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