ST STM32L021F4U6TR

Manufacturer No:

STM32L021F4U6TR

Manufacturer:

Package:

20-UFQFN

Description:

16KB 16K x 8 FLASH ARM® Cortex®-M0+ 32-Bit Microcontroller STM32L0 Series STM32L021 3V 20-UFQFN

Quantity:

Delivery:

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In Stock :Available

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STM32L021F4U6TR information

ST STM32L021F4U6TR technical specifications, attributes, parameters and parts with similar specifications to ST STM32L021F4U6TR.

Type
Parameter

Lifecycle Status
ACTIVE (Last Updated: 7 months ago)

Factory Lead Time
10 Weeks

Mounting Type
Surface Mount

Package / Case
20-UFQFN

Surface Mount
YES

Operating Temperature
-40°C~85°C TA

Packaging
Tape & Reel (TR)

Series
STM32L0

Part Status
Active

Moisture Sensitivity Level (MSL)
1 (Unlimited)

Number of Terminations
20

Terminal Position
QUAD

Terminal Form
NO LEAD

Supply Voltage
3V

Terminal Pitch
0.5mm

Base Part Number
STM32L021

Supply Voltage-Max (Vsup)
3.6V

Supply Voltage-Min (Vsup)
1.8V

Oscillator Type
Internal

Number of I/O
16

Speed
32MHz

RAM Size
2K x 8

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

uPs/uCs/Peripheral ICs Type
MICROCONTROLLER RISC

Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT

Clock Frequency
32MHz

Program Memory Type
FLASH

Core Size
32-Bit

Program Memory Size
16KB 16K x 8

Connectivity
I2C, IrDA, SPI, UART/USART

Bit Size
32

Data Converter
A/D 7x12b

Has ADC
YES

DMA Channels
YES

PWM Channels
YES

EEPROM Size
512 x 8

Length
3mm

Width
3mm

RoHS Status
RoHS Compliant

Download datasheets and manufacturer documentation for ST STM32L021F4U6TR.

Datasheets:

stmicroelectronics-stm32l021k4t6-datasheets-0560.pdf

STM32L021F4U6TR Description

The ultra-low-power STM32L021x4 family includes devices in 6 different package types from 14 to 32 pins. The description below gives an overview of the complete range of peripherals proposed in this family.

STM32L021F4U6TR Features

? Ultra-low-power platform

– 1.65 V to 3.6 V power supply

– -40 to 125 °C temperature range

– 0.23 μA Standby mode (2 wakeup pins)

– 0.29 μA Stop mode (16 wakeup lines)

– 0.54 μA Stop mode + RTC + 2 KB RAM

retention

– Down to 76 μA/MHz in Run mode

– 5 μs wakeup time (from Flash memory)

– 41 μA 12-bit ADC conversion at 10 ksps

? Core: Arm? 32-bit Cortex?-M0+

– From 32 kHz to 32 MHz max.

– 0.95 DMIPS/MHz

? Reset and supply management

– Ultra-safe, low-power BOR (brownout reset)

with 5 selectable thresholds

– Ultralow power POR/PDR

– Programmable voltage detector (PVD)

? Clock sources

– 0 to 32 MHz external clock

– 32 kHz oscillator for RTC with calibration

– High speed internal 16 MHz factory-trimmed RC

(+/- 1%)

– Internal low-power 37 kHz RC

– Internal multispeed low-power 65 kHz to

4.2 MHz RC

– PLL for CPU clock

? Pre-programmed bootloader

– USART, SPI supported

? Development support

– Serial wire debug supported

? Up to 28 fast I/Os (23 I/Os 5V tolerant)

? Memories

– 16 KB Flash memory with ECC

– 2 KB RAM

– 512 B of data EEPROM with ECC

– 20-byte backup register

– Sector protection against R/W operation

STM32L021F4U6TR applications

These features make the ultra-low-power STM32L021x4 microcontrollers suitable for a wide

range of applications:

? Gas/water meters and industrial sensors

? Healthcare and fitness equipment

? Remote control and user interface

? PC peripherals, gaming, GPS equipment

? Alarm system, wired and wireless sensors, video intercom

User Guide

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1：Prepare product

Step2：Desiccant Protection

Step3：Vacuum Packaging

Step4：Individual Package

Step5：Anti-collision Filling

Step6：Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.