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LM3S8970

NOT RECOMMENDED FOR NEW DESIGNS

Stellaris LM3S Microcontroller

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Data sheet
Errata
LM3S8970 is not recommended for new designs
This product continues to be available for existing customers. New designs should consider an alternate product.
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LM3S8970

NOT RECOMMENDED FOR NEW DESIGNS
Data sheet Order now

Product details

Flash memory (kByte) 256 Number of GPIOs 38 UART 2 Number of I2Cs 1 Operating temperature range (°C) -40 to 85 PWM (Ch) 0 CAN (#) 3 Rating Catalog
Flash memory (kByte) 256 Number of GPIOs 38 UART 2 Number of I2Cs 1 Operating temperature range (°C) -40 to 85 PWM (Ch) 0 CAN (#) 3 Rating Catalog
LQFP (PZ) 100 256 mm² 16 x 16

  • 32-bit ARM® Cortex™-M3 50-MHz processor core with System Timer (SysTick), integrated Nested Vectored Interrupt Controller (NVIC), Memory Protection Unit (MPU), and Thumb-2 instruction set

  • Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller

  • 256 KB single-cycle flash and 64 KB single-cycle SRAM

  • Lower-power battery-backed Hibernation module with Real-Time Clock

  • 17-46 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration

  • ARM FiRM-compliant Watchdog Timer ; plus four General-Purpose Timer Modules (GPTM), each of which provides two 16-bit timers/counters and can be configured to operate independently

  • 10-bit Analog-to-Digital Converter (ADC) with analog input channels and a sample rate of samples/second

  • Two fully programmable 16C550-type UARTs with IrDA support

  • Two Synchronous Serial Interface (SSI) modules, supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces

  • Inter-Integrated Circuit (I2C) Interface, providing Standard (100 Kbps) and Fast (400 Kbps) transmission and support for sending and receiving data as either a master or a slave

  • Three Controller Area Network (CAN) Interface modules using CAN protocol version 2.0 part A/B and with bit rates up to 1 Mbps

  • Highly configurable 10/100 Ethernet Controller that conforms to the IEEE 802.3-2002 specification with full- and half-duplex modes for both 100 Mbps and 10 Mbps operation, IEEE 1588 PTP hardware support, and automatic MDI/MDI-X cross-over correction

  • Industrial and extended temperature RoHS-compliant 100-pin LQFP package and industrial-range RoHS-compliant 108-ball BGA package

  • 32-bit ARM® Cortex™-M3 50-MHz processor core with System Timer (SysTick), integrated Nested Vectored Interrupt Controller (NVIC), Memory Protection Unit (MPU), and Thumb-2 instruction set

  • Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller

  • 256 KB single-cycle flash and 64 KB single-cycle SRAM

  • Lower-power battery-backed Hibernation module with Real-Time Clock

  • 17-46 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration

  • ARM FiRM-compliant Watchdog Timer ; plus four General-Purpose Timer Modules (GPTM), each of which provides two 16-bit timers/counters and can be configured to operate independently

  • 10-bit Analog-to-Digital Converter (ADC) with analog input channels and a sample rate of samples/second

  • Two fully programmable 16C550-type UARTs with IrDA support

  • Two Synchronous Serial Interface (SSI) modules, supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces

  • Inter-Integrated Circuit (I2C) Interface, providing Standard (100 Kbps) and Fast (400 Kbps) transmission and support for sending and receiving data as either a master or a slave

  • Three Controller Area Network (CAN) Interface modules using CAN protocol version 2.0 part A/B and with bit rates up to 1 Mbps

  • Highly configurable 10/100 Ethernet Controller that conforms to the IEEE 802.3-2002 specification with full- and half-duplex modes for both 100 Mbps and 10 Mbps operation, IEEE 1588 PTP hardware support, and automatic MDI/MDI-X cross-over correction

  • Industrial and extended temperature RoHS-compliant 100-pin LQFP package and industrial-range RoHS-compliant 108-ball BGA package

The Stellaris® LM3S8970 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 256 kB flash and 64 kB SRAM. The LM3S8970 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, 3 CAN controllers, 2 SSI / SPI controllers, an I2C interface, and 2 UARTs, as well as hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP). Finally, the LM3S8970 microcontroller provides a 24-bit systick timer, 4 32-bit or 8 16-bit general-purpose timers, a watchdog timer, a battery-backed hibernation module with RTC and 256 bytes of non-volatile state-saving memory, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 46 GPIOs.

The Stellaris® LM3S8970 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 256 kB flash and 64 kB SRAM. The LM3S8970 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, 3 CAN controllers, 2 SSI / SPI controllers, an I2C interface, and 2 UARTs, as well as hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP). Finally, the LM3S8970 microcontroller provides a 24-bit systick timer, 4 32-bit or 8 16-bit general-purpose timers, a watchdog timer, a battery-backed hibernation module with RTC and 256 bytes of non-volatile state-saving memory, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 46 GPIOs.
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Technical documentation

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Type Title Date
* Data sheet Stellaris LM3S8970 Microcontroller Data Sheet datasheet (Rev. I) 16 Jul 2014
* Errata Stellaris LM3S Sandstorm-, Fury-, and DustDevil-Class Microcontrollers Errata 26 Jun 2014

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