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1500 Series Devices

Featuring 96K bytes of single cycle flash, 64K bytes of single cycle SRAM, and up to 50 MHz performance, Stellaris LM3S1500 series microcontrollers are perfect for cost-effective embedded control applications. The LM3S1500 series includes a battery-backed hibernation module featuring a real time clock (RTC) and 256 bytes of non-volatile state-save memory. Analog features in the LM3S1500 series include 3 analog comparators and 8 channels of 10-bit ADC at 500K samples per second. In addition, the series features a quadrature encoder input for sophisticated motion control.

Summarized Features

UARTsGPIOsSSII2CADC Channels PWM PinsCCP PinsHibernate
LM3S153839-43228-8√
LM3S1512315-58222-8√


Product Details



LM3S1538
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LM3S1538

The Stellaris® LM3S1538 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 96 kB single-cycle flash, 64 kB single-cycle SRAM, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, two SSI / SPI controllers, two I2C interfaces, 3 UARTs, a 10-bit analog-to-digital converter (ADC) with 8 input channels (+/- 1LSb of accuracy), a motion-control Pulse Width Modulation (PWM) module with - output channels, a Quadrature Encoder Input, a battery-backed hibernation module with RTC and 256 bytes of non-volatile state-saving memory, a low drop-out voltage regulator, brown-out reset, power-on reset controller, and up to 43 GPIOs.

LM3S1512
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LM3S1512

The Stellaris® LM3S1512 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 25 MHz, with 96 kB single-cycle flash, 64 kB single-cycle SRAM, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, two SSI / SPI controllers, two I2C interfaces, 3 UARTs, 3 analog comparators, a 10-bit analog-to-digital converter (ADC) with 2 input channels (+/- 1LSb of accuracy), a motion-control Pulse Width Modulation (PWM) module with - output channels, a Quadrature Encoder Input, a battery-backed hibernation module with RTC and 256 bytes of non-volatile state-saving memory, a low drop-out voltage regulator, brown-out reset, power-on reset controller, and up to 58 GPIOs.