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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
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Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller
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128 KB single-cycle flash and 64 KB single-cycle SRAM
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Internal ROM loaded with StellarisWare® software
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Lower-power battery-backed Hibernation module with Real-Time Clock
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ARM PrimeCell® 32-channel configurable μDMA controller
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0-61 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration
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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
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10-bit Analog-to-Digital Converter (ADC) with eight analog input channels and a sample rate of one million samples/second
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Three fully programmable 16C550-type UARTs with IrDA support
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Two Synchronous Serial Interface (SSI) modules, supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces
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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
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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
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Two integrated analog comparators configurable for output to initiate an ADC sample sequence, drive an output pin or generate an interrupt
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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
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Quadrature Encoder Interface (QEI) featuring position integrator to track encoder position and velocity capture using built-in timer
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Industrial-range 100-pin RoHS-compliant LQFP package