Stellaris LM3S Microcontroller 100-LQFP -40 to 85 The LM3S2651-IQC50-A2 is a microcontroller from Texas Instruments (TI) under the Stellaris® ARM® Cortex™-M3 series. Below are its key specifications, descriptions, and features:
### **Manufacturer:**
Texas Instruments (TI)
### **Specifications:**
- **Core:** ARM Cortex-M3
- **Operating Frequency:** 50 MHz
- **Flash Memory:** 64 KB
- **SRAM:** 16 KB
- **Operating Voltage:** 3.3 V
- **I/O Pins:** 48
- **Package:** 100-pin LQFP (Low-profile Quad Flat Package)
- **Operating Temperature Range:** -40°C to +85°C
- **Communication Interfaces:**
- UART (Universal Asynchronous Receiver/Transmitter)
- SSI (Synchronous Serial Interface)
- I²C (Inter-Integrated Circuit)
- USB 2.0 Full-Speed Device/Host/OTG
- **Timers:**
- 4 General-Purpose Timers (GPTM)
- 2 Watchdog Timers (WDT)
- **Analog Features:**
- 2 Analog Comparators
- 10-bit ADC (Analog-to-Digital Converter) with 8 channels
- **PWM (Pulse-Width Modulation):** 6 PWM outputs
- **DMA (Direct Memory Access):** 8 channels
### **Descriptions:**
The LM3S2651-IQC50-A2 is a high-performance 32-bit microcontroller designed for embedded applications requiring connectivity and real-time control. It integrates an ARM Cortex-M3 core with a rich set of peripherals, making it suitable for industrial, consumer, and automotive applications.
### **Features:**
- **High-Performance Cortex-M3 Core:** Efficient processing at 50 MHz.
- **Integrated Memory:** 64 KB Flash and 16 KB SRAM for code and data storage.
- **Flexible Connectivity:** USB, UART, SSI, and I²C support.
- **Robust Analog Capabilities:** 10-bit ADC and analog comparators.
- **Real-Time Control:** Multiple timers and PWM outputs.
- **Low-Power Modes:** Supports sleep and deep-sleep modes for power efficiency.
- **Industrial-Grade Operation:** Wide temperature range (-40°C to +85°C).
This microcontroller is well-suited for applications such as motor control, industrial automation, and USB-enabled devices.
