Texas Instruments LM3S5R31

The Texas Instruments LM3S5R31 is an ARM Cortex-M3 Processor Core - 80-MHz operation; 100 DMIPS performance - ARM Cortex SysTick Timer - Nested Vectored Interrupt Controller (NVIC) On-Chip Memory - 256 KB single-cycle Flash memory up to 50 MHz; a prefetch buffer improves performance above 50 MHz - 48 KB single-cycle SRAM - Internal ROM loaded with StellarisWare software: External Peripheral Interface (EPI) - 8/16/32-bit dedicated parallel bus for external peripherals - Supports SDRAM, SRAM/Flash memory, FPGAs, CPLDs Advanced Serial Integration - CAN 2.0 A/B controller - USB 2.0 Device - Three UARTs with IrDA and ISO 7816 support (one UART with modem flow control and status) - Two I2C modules - Two Synchronous Serial Interface modules (SSI) - Integrated Interchip Sound (I2S) module System Integration - Direct Memory Access Controller (DMA) - System control and clocks including on-chip precision 16-MHz oscillator - Four 32-bit timers (up to eight 16-bit) - Eight Capture Compare PWM pins (CCP) - Lower-power battery-backed hibernation module - Real-Time Clock in Hibernation module - Two Watchdog Timers - Up to 67 GPIOs, depending on configuration Advanced Motion Control - Eight advanced PWM outputs for motion and energy applications - Four fault inputs to promote low-latency shutdown - Two Quadrature Encoder Inputs (QEI) Analog - Two 10-bit Analog-to-Digital Converters (ADC) with 16 analog input channels and a sample rate of one million samples/second - Two analog comparators - 16 digital comparators - On-chip voltage regulator JTAG and ARM Serial Wire Debug (SWD) 100-pin LQFP package 108-ball BGA package Industrial (-40°C to 85°C) Temperature Range.