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Part No LM3S9GN5-IBZ80-A2
Manufacturer Texas Instruments
Catalog Embedded - Microcontrollers
Description IC MCU 32BIT 384KB FLASH 108BGA / ARM® Cortex®-M3 Stellaris® ARM® Cortex®-M3S 9000 Microcontroller IC 32-Bit Single-Core 80MHz 384KB (384K x 8) FLASH 108-BGA (10x10)

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Products specifications

Category Integrated Circuits (ICs) - Embedded - Microcontrollers
Mfr Texas Instruments
Series Stellaris® ARM® Cortex®-M3S 9000
Package Tray
Product Status Obsolete
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 80MHz
Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 72
Program Memory Size 384KB (384K x 8)
Program Memory Type FLASH
RAM Size 64K x 8
Voltage - Supply (Vcc/Vdd) 1.235V ~ 1.365V
Data Converters A/D 16x12b
Oscillator Type Internal
Temperature Range - Operating -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 108-LFBGA
Supplier Device Package 108-BGA (10x10)
Base Product Number LM3S9GN5
Standard Package 1,000
MSL Level 3 (168 Hours)
REACH Status REACH Unaffected
ECCN 3A991A2
HTSUS 8542.31.0001
Win Source Part Number 1341972-LM3S9GN5-IBZ80-A2
Fake Threat In the Open Market 37 pct.


The LM3S9GN5-IBZ80-A2 is a high-performance microcontroller unit (MCU) from Texas Instruments, designed to cater to the demanding requirements of embedded systems in industrial and commercial applications. This powerful MCU is based on the ARM Cortex-M3 processor, which delivers exceptional computing capabilities, low power consumption, and advanced control features.

Key Features:

  • Core: ARM Cortex-M3 processor, which operates at a frequency of up to 50 MHz, providing a balanced approach between performance and power efficiency.
  • Memory: Equipped with a generous amount of on-chip memory, including 256KB of flash memory and 96KB of SRAM, allowing for robust application development without the need for external memory components.
  • I/O Capabilities: A wide range of peripherals including GPIOs, UARTs, SPI, I2C interfaces, and more, enabling versatile connectivity options for various electronic components and modules.
  • Analog Features: Integrated analog-to-digital converters (ADCs) and analog comparators facilitate the direct interfacing with sensors and other analog signals within the system.
  • Power Management: Advanced power management features that support multiple power-saving modes, which are essential for battery-powered or energy-sensitive applications.
  • Robustness: Designed to operate in harsh environments, the LM3S9GN5-IBZ80-A2 is rated for an industrial temperature range and includes protection against under-voltage, over-temperature, and other fault conditions.
  • Development Support: Backed by Texas Instruments' comprehensive development ecosystem, this MCU has access to software libraries, development tools, and a strong community for technical support.


The LM3S9GN5-IBZ80-A2 is ideal for a wide array of applications such as industrial control systems, home automation, point-of-sale machines, medical devices, and other embedded systems that require a reliable microcontroller for real-time operations and connectivity.

Quality and Reliability:

Texas Instruments is renowned for its commitment to quality and reliability, and the LM3S9GN5-IBZ80-A2 is no exception. This product is manufactured to meet the highest industry standards, ensuring long-term performance and stability in your applications.

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