Overview
The Stellaris® LM3S6965 microcontroller, produced by Texas Instruments, is a robust and feature-rich device based on the ARM® Cortex™-M3 controller core. Operating at up to 50 MHz, this microcontroller is designed for a wide range of applications requiring high performance, low power consumption, and advanced connectivity. It features 256 kB of single-cycle flash memory and 64 kB of single-cycle SRAM, making it suitable for complex embedded systems. The LM3S6965 also includes a battery-backed hibernation module with a real-time clock, enhancing its power management capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | 32-bit ARM® Cortex™-M3, up to 50 MHz |
| Memory | 256 kB single-cycle flash, 64 kB single-cycle SRAM |
| GPIOs | Up to 42 GPIOs (depending on configuration) |
| Analog-to-Digital Converter (ADC) | 10-bit ADC with 4 analog input channels, 1 million samples/second |
| UARTs | Three fully programmable 16C550-type UARTs with IrDA support |
| I2C Interfaces | Two I2C interfaces (Standard 100 Kbps, Fast 400 Kbps) |
| Ethernet Controller | 10/100 Ethernet MAC/PHY, IEEE 802.3-2002 compliant |
| Timer Modules | Four General-Purpose Timer Modules (GPTM), each with two 16-bit timers/counters |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 2.25V to 2.75V |
| Package Options | 100-pin LQFP, 108-ball BGA |
Key Features
- Full-featured debug solution with JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller.
- Lower-power battery-backed Hibernation module with Real-Time Clock and 256 bytes of non-volatile state-saving memory.
- Advanced motion control features including 6 motion-control PWM outputs with dead-band, two quadrature encoder inputs, and one fault protection input.
- Intelligent analog capability with two analog comparators and highly accurate 10-bit ADC.
- Highly configurable 10/100 Ethernet Controller and SSI/SPI controller.
- ARM FiRM-compliant Watchdog Timer and multiple general-purpose timers.
- Industrial and extended temperature RoHS-compliant packaging.
Applications
The Stellaris LM3S6965 microcontroller is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring precise analog and digital control.
- Automotive systems, especially those needing robust and reliable connectivity.
- Consumer electronics that demand high performance and low power consumption.
- Motion control systems, such as robotics and motor control.
Q & A
- What is the processor core of the LM3S6965 microcontroller?
The LM3S6965 microcontroller is based on the 32-bit ARM® Cortex™-M3 controller core. - What is the maximum operating frequency of the LM3S6965?
The maximum operating frequency is up to 50 MHz. - How much flash and SRAM memory does the LM3S6965 have?
The LM3S6965 has 256 kB of single-cycle flash memory and 64 kB of single-cycle SRAM. - What types of serial interfaces does the LM3S6965 support?
The LM3S6965 supports three fully programmable 16C550-type UARTs with IrDA support, two I2C interfaces, and an SSI/SPI controller. - Does the LM3S6965 have Ethernet capabilities?
Yes, it features a highly configurable 10/100 Ethernet MAC/PHY conforming to the IEEE 802.3-2002 specification. - What are the key features of the LM3S6965's motion control capabilities?
The LM3S6965 includes 6 motion-control PWM outputs with dead-band, two quadrature encoder inputs, and one fault protection input. - What is the operating temperature range of the LM3S6965?
The operating temperature range is -40°C to 85°C. - What are the package options for the LM3S6965?
The LM3S6965 is available in 100-pin LQFP and 108-ball BGA packages. - Does the LM3S6965 support real-time clock functionality?
Yes, it includes a battery-backed hibernation module with a real-time clock. - Is the LM3S6965 RoHS-compliant?
Yes, the LM3S6965 is RoHS-compliant.
