STM8S903F3M6 ST MCU | 20-SO | 8-bit, 8KB Flash, 16MHz

Product Overview

The STM8S903F3M6 is an 8-bit microcontroller from STMicroelectronics' STM8S series, featuring a high-performance STM8 core with up to 16 MHz CPU clock. It offers 8 KB of Flash program memory, 1 KB of RAM, and 640 bytes of EEPROM. Housed in a compact 20-pin SO package, this device is designed for cost-sensitive applications requiring robust performance and rich peripherals.

Detailed Technical Specifications

Key Features

• High-performance STM8 core with Harvard architecture and 3-stage pipeline
• Up to 16 MIPS throughput at 16 MHz
• Embedded single-wire debug module (SWIM)
• Clock sources: internal 16 MHz RC, external crystal, or resonator
• Reset circuitry: power-on reset (POR), brown-out reset (BOR)
• Low power modes: Wait, Active Halt, Halt
• Up to 16 I/Os, all mappable on interrupt vectors
• 2x 16-bit timers with PWM and capture/compare
• 1x 8-bit timer with prescaler
• 10-bit ADC with up to 5 channels
• Communication interfaces: SPI, I2C, UART
• Embedded EEPROM with up to 100k write/erase cycles

Target Applications

The STM8S903F3M6 is ideal for a wide range of applications including: 5G base station power management, automotive dashboard controllers, industrial sensor interfaces, home appliance control (e.g., washing machines, air conditioners), battery management systems, and portable medical devices.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for STM8S903F3M6. 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

STM8S903F3M6 是意法半導體 STM8S 系列的一款 8 位微控制器，採用高性能 STM8 內核，最高 CPU 時鐘可達 16 MHz。它提供 8 KB 的 Flash 程序存儲器、1 KB 的 RAM 和 640 字節的 EEPROM。該器件採用緊湊的 20 引腳 SO 封裝，專為需要強大性能和豐富外設的成本敏感型應用而設計。

詳細技術參數

核心特性

• 高性能 STM8 內核，哈佛架構，3 級流水線
• 16 MHz 下最高 16 MIPS 吞吐量
• 嵌入式單線調試模塊 (SWIM)
• 時鐘源：內部 16 MHz RC、外部晶體或諧振器
• 復位電路：上電復位 (POR)、欠壓復位 (BOR)
• 低功耗模式：等待、活躍停機、停機
• 最多 16 個 I/O，均可映射到中斷向量
• 2 個 16 位定時器，帶 PWM 和捕獲/比較
• 1 個 8 位定時器，帶預分頻器
• 10 位 ADC，最多 5 通道
• 通信接口：SPI、I2C、UART
• 嵌入式 EEPROM，最多 10 萬次擦寫

典型應用場景

STM8S903F3M6 適用於多種應用，包括：5G 基站電源管理、汽車儀表盤控制器、工業傳感器接口、家用電器控制（如洗衣機、空調）、電池管理系統以及便攜式醫療設備。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 STM8S903F3M6 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]