Featuring 256K bytes of single cycle flash, 64K bytes of single cycle SRAM, and 50 MHz performance, Stellaris LM3S1900 series microcontrollers are perfect for cost-effective embedded control applications. The LM3S1900 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 LM3S1900 series include 3 analog comparators and 8 channels of 10-bit ADC at 1M samples per second. In addition, the series features 6 PWM outputs and up to 2 quadrature encoder inputs for sophisticated motion control.
Summarized Features
| UARTs | GPIOs | SSI | I2C | ADC Channels | PWM Pins | CCP Pins | Hibernate | |
|---|---|---|---|---|---|---|---|---|
| LM3S1968 | 3 | 5-52 | 2 | 2 | 8 | 6 | 4 | √ |
| LM3S1960 | 3 | 7-60 | 2 | 2 | - | 6 | 8 | √ |
| LM3S1958 | 3 | 21-52 | 2 | 2 | 8 | - | 8 | √ |
| LM3S1937 | 2 | 27-56 | 1 | 1 | 4 | 6 | 4 | √ |
| LM3S1918 | 2 | 17-52 | 2 | 2 | 8 | - | 8 | √ |
| LM3S1911 | 3 | 21-60 | 2 | 2 | - | - | 8 | √ |
Product Details
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LM3S1968
The Stellaris® LM3S1968 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 256 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 8 input channels (+/- 1LSb of accuracy), a motion-control Pulse Width Modulation (PWM) module with 6 output channels, two Quadrature Encoder Inputs, 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 52 GPIOs.
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LM3S1960
The Stellaris® LM3S1960 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 256 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 - input channels (+/- 1LSb of accuracy), a motion-control Pulse Width Modulation (PWM) module with 6 output channels, two Quadrature Encoder Inputs, 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 60 GPIOs.
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LM3S1958
The Stellaris® LM3S1958 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 256 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, two Quadrature Encoder Inputs, 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 52 GPIOs.
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LM3S1937
The Stellaris® LM3S1937 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 256 kB single-cycle flash, 64 kB single-cycle SRAM, a 24-bit Systick Timer, 3x 32-bit or 6x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, an I2C interface, 2 UARTs, an analog comparator, a 10-bit analog-to-digital converter (ADC) with 4 input channels (+/- 1LSb of accuracy), a motion-control Pulse Width Modulation (PWM) module with 6 output channels, two Quadrature Encoder Inputs, 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 56 GPIOs.
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LM3S1918
The Stellaris® LM3S1918 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 256 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, 2 UARTs, 2 analog comparators, a 10-bit analog-to-digital converter (ADC) with 8 input channels (+/- 1LSb of accuracy), 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 52 GPIOs.
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LM3S1911
The Stellaris® LM3S1911 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 256 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, 2 analog comparators, 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 60 GPIOs.
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