STM32L021F4U6TR ST Microcontroller | 20-UFQFPN (3X3) | 32-bit ARM Cortex-M0+, 16KB Flash

Product Overview

The STM32L021F4U6TR is an ultra-low-power 32-bit microcontroller based on the ARM Cortex-M0+ core, part of the STM32L0 series. It operates at a frequency of up to 32 MHz and offers a balanced combination of performance, power efficiency, and integration. The device is housed in a compact 20-pin UFQFPN package (3x3 mm), making it ideal for space-constrained applications. With 16 KB of Flash memory and 2 KB of SRAM, it provides sufficient resources for simple control and sensor applications. The STM32L021F4U6TR features a rich set of peripherals including USART, SPI, I2C, ADC, and multiple timers, along with advanced low-power modes to extend battery life in portable devices.

Detailed Technical Specifications

Key Features

• Ultra-low-power ARM Cortex-M0+ core with 32 MHz max frequency
• 16 KB Flash and 2 KB SRAM for code and data storage
• Wide operating voltage range (1.65 V to 3.6 V) for battery-powered designs
• Multiple low-power modes: Sleep, Stop, and Standby with RTC
• Integrated 12-bit ADC with up to 9 channels
• Serial interfaces: USART, SPI, I2C for communication
• Compact 20-pin UFQFPN package (3x3 mm) for space-constrained applications
• Embedded 32 kHz RTC for timekeeping
• Up to 16 GPIOs with interrupt capability
• Hardware CRC and unique device ID

Target Applications

The STM32L021F4U6TR is designed for a wide range of low-power and cost-sensitive applications. Specific examples include:

• Battery-powered IoT sensors (e.g., temperature/humidity monitors)
• Wearable devices (e.g., fitness trackers, smart watches)
• Smart home controllers (e.g., smart light switches, thermostats)
• Medical devices (e.g., portable glucose meters, pulse oximeters)
• Industrial automation (e.g., sensor nodes, actuator control)
• Consumer electronics (e.g., remote controls, toys)
• 5G base station monitoring (e.g., environmental sensors)
• Automotive dashboard controls (e.g., button interfaces, indicator lights)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STM32L021F4U6TR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

STM32L021F4U6TR 是一款基於 ARM Cortex-M0+ 內核的超低功耗 32 位微控制器，屬於 STM32L0 系列。它最高工作頻率為 32 MHz，在性能、功耗和集成度之間實現了平衡。該器件採用緊湊的 20 引腳 UFQFPN 封裝（3x3 mm），非常適合空間受限的應用。擁有 16 KB Flash 和 2 KB SRAM，為簡單的控制和傳感器應用提供了充足的資源。STM32L021F4U6TR 配備了豐富的外設，包括 USART、SPI、I2C、ADC 和多個定時器，以及先進的低功耗模式，可延長便攜設備的電池壽命。

詳細技術參數

核心特性

• 超低功耗 ARM Cortex-M0+ 內核，最高 32 MHz
• 16 KB Flash 和 2 KB SRAM，用於代碼和數據存儲
• 寬工作電壓範圍（1.65 V 至 3.6 V），適合電池供電設計
• 多種低功耗模式：睡眠、停止和待機（帶 RTC）
• 集成 12 位 ADC，最多 9 通道
• 串行接口：USART、SPI、I2C，用於通信
• 緊湊的 20 引腳 UFQFPN 封裝（3x3 mm），適用於空間受限的應用
• 內置 32 kHz RTC，用於計時
• 最多 16 個 GPIO，支持中斷
• 硬件 CRC 和唯一設備 ID

典型應用場景

STM32L021F4U6TR 專為各種低功耗和成本敏感的應用而設計。具體實例包括：

• 電池供電的 IoT 傳感器（例如溫濕度監測器）
• 可穿戴設備（例如健身追踪器、智能手錶）
• 智能家居控制器（例如智能燈開關、恆溫器）
• 醫療設備（例如便攜式血糖儀、脈搏血氧儀）
• 工業自動化（例如傳感器節點、執行器控制）
• 消費電子（例如遙控器、玩具）
• 5G 基站監控（例如環境傳感器）
• 汽車儀表板控制（例如按鈕接口、指示燈）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STM32L021F4U6TR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]