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Product Overview
The LM3S1776-IQR50-A0 is a high-performance ARM Cortex-M3 based microcontroller from Texas Instruments, part of the Stellaris family. It operates at up to 50 MHz and features 256 KB of flash memory and 64 KB of SRAM. The device is housed in a 64-pin LQFP package with a 10x10 mm footprint, making it suitable for space-constrained applications. It offers a rich set of peripherals including multiple UARTs, I2C, SPI, USB OTG, analog comparators, and a 10-bit ADC. The LM3S1776 is designed for industrial control, building automation, and human-machine interface applications.
Detailed Technical Specifications
| Parameter |
Value |
| Core |
ARM Cortex-M3 |
| Max Frequency |
50 MHz |
| Flash Memory |
256 KB |
| SRAM |
64 KB |
| Package |
64-LQFP (10x10 mm) |
| Operating Voltage |
2.5V to 3.6V |
| Temperature Range |
-40°C to +85°C |
| ADC |
10-bit, 8 channels |
| USB |
USB 2.0 OTG |
| UART |
3 |
| I2C |
2 |
| SPI |
2 |
| Timers |
4 (16-bit), 2 (32-bit) |
| PWM |
8 channels |
| Analog Comparators |
2 |
| Watchdog Timer |
Yes |
| DMA |
Yes |
Key Features
- ARM Cortex-M3 core with 50 MHz performance
- 256 KB flash and 64 KB SRAM for complex applications
- USB 2.0 OTG for connectivity
- Multiple serial interfaces (UART, I2C, SPI)
- 10-bit ADC with 8 channels
- 8-channel PWM for motor control
- Analog comparators for sensor interfacing
- Low power consumption with multiple sleep modes
- Industrial temperature range
Target Applications
- Industrial control systems (e.g., PLC, motor drives)
- Building automation (e.g., HVAC controllers, lighting systems)
- Human-machine interfaces (e.g., touch screen panels)
- Medical devices (e.g., patient monitoring)
- 5G base station power management
- Automotive dashboard controllers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3S1776-IQR50-A0. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LM3S1776-IQR50-A0 是德州儀器 Stellaris 系列中一款基於 ARM Cortex-M3 內核的高性能微控制器,最高工作頻率為 50 MHz,配備 256 KB 閃存和 64 KB SRAM。器件採用 64 引腳 LQFP 封裝,尺寸為 10x10 mm,適合空間受限的應用。它提供豐富的外設,包括多個 UART、I2C、SPI、USB OTG、模擬比較器和 10 位 ADC。LM3S1776 專為工業控制、樓宇自動化和人機界面應用而設計。
詳細技術參數
| 參數 |
數值 |
| 內核 |
ARM Cortex-M3 |
| 最高頻率 |
50 MHz |
| 閃存 |
256 KB |
| SRAM |
64 KB |
| 封裝 |
64-LQFP (10x10 mm) |
| 工作電壓 |
2.5V 至 3.6V |
| 溫度範圍 |
-40°C 至 +85°C |
| ADC |
10 位,8 通道 |
| USB |
USB 2.0 OTG |
| UART |
3 |
| I2C |
2 |
| SPI |
2 |
| 定時器 |
4 (16 位), 2 (32 位) |
| PWM |
8 通道 |
| 模擬比較器 |
2 |
| 看門狗定時器 |
有 |
| DMA |
有 |
核心特性
- ARM Cortex-M3 內核,50 MHz 性能
- 256 KB 閃存和 64 KB SRAM,支持複雜應用
- USB 2.0 OTG 連接
- 多種串行接口 (UART, I2C, SPI)
- 10 位 ADC,8 通道
- 8 通道 PWM,用於電機控制
- 模擬比較器,用於傳感器接口
- 低功耗,多種睡眠模式
- 工業溫度範圍
典型應用場景
- 工業控制系統 (例如 PLC、電機驅動)
- 樓宇自動化 (例如 HVAC 控制器、照明系統)
- 人機界面 (例如觸摸屏面板)
- 醫療設備 (例如病人監護)
- 5G 基站電源管理
- 汽車儀表盤控制器
環球供應鏈與批發合作夥伴方案
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