Inicio Microcontroladores (MCU) y procesadores Microcontroladores basados en Arm MCU Arm Cortex-M4
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Microcontroladores (MCU) y procesadores
Microcontroladores basados en Arm
MCU Arm Cortex-M4

LM3S5749

NO RECOMENDADO PARA NUEVOS DISEÑOS

Microcontrolador Stellaris LM3S

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Errata
LM3S5749 no se recomienda para nuevos diseños
Este producto sigue estando disponible para los clientes existentes. Los nuevos diseños deben considerar un producto alternativo.
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Funcionalidad similar a la del dispositivo comparado
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TM4C1294NCPDT ACTIVO MCU de 32 bits basada en Arm Cortex-M4F con 120 MHZ, 1 MB de memoria flash, 256 KB de RAM, USB, E The product is an ARM® Cortex™-M4 with broader peripherals and higher performance.

LM3S5749

NO RECOMENDADO PARA NUEVOS DISEÑOS
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Detalles del producto

Flash memory (kByte) 128 Number of GPIOs 61 UART 2 Number of I2Cs 2 Operating temperature range (°C) -40 to 85 PWM (Ch) 8 CAN (#) 2 Rating Catalog
Flash memory (kByte) 128 Number of GPIOs 61 UART 2 Number of I2Cs 2 Operating temperature range (°C) -40 to 85 PWM (Ch) 8 CAN (#) 2 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

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

  • Internal ROM loaded with StellarisWare® software

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

  • ARM PrimeCell® 32-channel configurable μDMA controller

  • 0-61 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 eight analog input channels and a sample rate of one million 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

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

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

  • Universal Serial Bus (USB) Controller with USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps) operation, 8 endpoints, and USB Host mode

  • Two integrated analog comparators configurable for output to initiate an ADC sample sequence, drive an output pin or generate an interrupt

  • Four PWM generator blocks, each with one 16-bit counter, two PWM comparators, a PWM signal generator, a dead-band generator, and an interrupt/ADC-trigger selector; four PWM fault inputs to promote low-latency shutdown

  • Quadrature Encoder Interface (QEI) featuring position integrator to track encoder position and velocity capture using built-in timer

  • Industrial-range 100-pin RoHS-compliant LQFP 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

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

  • Internal ROM loaded with StellarisWare® software

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

  • ARM PrimeCell® 32-channel configurable μDMA controller

  • 0-61 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 eight analog input channels and a sample rate of one million 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

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

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

  • Universal Serial Bus (USB) Controller with USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps) operation, 8 endpoints, and USB Host mode

  • Two integrated analog comparators configurable for output to initiate an ADC sample sequence, drive an output pin or generate an interrupt

  • Four PWM generator blocks, each with one 16-bit counter, two PWM comparators, a PWM signal generator, a dead-band generator, and an interrupt/ADC-trigger selector; four PWM fault inputs to promote low-latency shutdown

  • Quadrature Encoder Interface (QEI) featuring position integrator to track encoder position and velocity capture using built-in timer

  • Industrial-range 100-pin RoHS-compliant LQFP package

The Stellaris® LM3S5749 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 128 kB flash, 64 kB SRAM, a 32-ch DMA, and ROM preloaded with the StellarisWare Driver Library and BootLoader. The LM3S5749 also features real-time industrial connectivity, with 2 CAN controllers, USB 2.0 Full Speed Host/Device, 2 SSI / SPI controllers, 2 I2C interfaces, and 2 UARTs. The LM3S5749 microcontroller also features advanced motion control features, including 8 motion-control PWM outputs with dead-band, a quadrature encoder input for precise position monitoring, and a fault protection input for low-latency shutdown. The microcontroller also features intelligent analog capability, including 2 analog comparators and 8 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample at speeds of 1M samples per second. Finally, the LM3S5749 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 61 GPIOs.

The Stellaris® LM3S5749 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 128 kB flash, 64 kB SRAM, a 32-ch DMA, and ROM preloaded with the StellarisWare Driver Library and BootLoader. The LM3S5749 also features real-time industrial connectivity, with 2 CAN controllers, USB 2.0 Full Speed Host/Device, 2 SSI / SPI controllers, 2 I2C interfaces, and 2 UARTs. The LM3S5749 microcontroller also features advanced motion control features, including 8 motion-control PWM outputs with dead-band, a quadrature encoder input for precise position monitoring, and a fault protection input for low-latency shutdown. The microcontroller also features intelligent analog capability, including 2 analog comparators and 8 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample at speeds of 1M samples per second. Finally, the LM3S5749 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 61 GPIOs.
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Documentación técnica

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Tipo Título Fecha
* Data sheet Stellaris LM3S5749 Microcontroller Data Sheet datasheet (Rev. H) 18 jul 2014
* Errata Stellaris LM3S Sandstorm-, Fury-, and DustDevil-Class Microcontrollers Errata 26 jun 2014

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje