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IEEE 1588 PTP

Stellaris® Family of ARM® Cortex™-M3 microcontrollers featuring a fully integrated 10/100 Ethernet MAC/PHY augmented with hardware assisted IEEE 1588 Precision Time Protocol (PTP) capability, enabling synchronization of distributed real-time clocks in a packet-based multicast network. The benefits of a Stellaris-assisted IEEE 1588 PTP system include absolute time base (like the real world), conventional and inexpensive network components, fault tolerance, self-configuration, hot-plugging capability, and a range of precision to fit the needs of a given industrial application.

Summarized Features

Flash (KB)SRAM (KB)Ethernet
MAC/PHY		IEEE I588 PTPUARTsSSII2C
LM3S9L9712848√√322
LM3S9B9625696√√322
LM3S9B9525696√√322
LM3S999725664√√322
LM3S897025664√√221
LM3S896225664√√211
LM3S893825664√√312
LM3S893325664√√211
LM3S873012864√√211
LM3S85389664√√211
LM3S695025664√√321
LM3S675312864√√211
LM3S65379664√√211


Product Details



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LM3S9L97

The Stellaris® LM3S9L97 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 80 MHz, with 128 kB flash, 48 kB SRAM, a 32-ch DMA, and ROM preloaded with the StellarisWare Driver Library, Boot Loader, AES encryption lookup tables, and a cyclical redundancy check (CRC) function. The LM3S9L97 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, 2 CAN controllers, USB 2.0 Full Speed OTG/Host/Device, 2 SSI / SPI controllers, 2 I2C interfaces, an I2S interface, and 3 UARTs, as well as hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP). The LM3S9L97 microcontroller also features advanced motion control features, including 6 motion-control PWM outputs with dead-band, two quadrature encoder inputs for precise position monitoring, and 4 fault protection inputs for low-latency shutdown. The microcontroller also features intelligent analog capability, including 2 analog comparators and 16 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample two channels simultaneously at speeds of 1M samples per second. Finally, the LM3S9L97 microcontroller provides 16 digital comparators, a 24-bit systick timer, 4 32-bit or 8 16-bit general-purpose timers, 2 watchdog timers, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 60 GPIOs.

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LM3S9997

The Stellaris® LM3S9997 microcontroller is based on the ARM® Cortex?-M3 controller core operating at up to 80 MHz, with 256 kB flash, 64 kB SRAM, a 32-ch DMA, and ROM preloaded with the StellarisWare Driver Library, Boot Loader, AES encryption lookup tables, and a cyclical redundancy check (CRC) function. The LM3S9997 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, 2 CAN controllers, USB 2.0 Full Speed OTG/Host/Device, 2 SSI / SPI controllers, 2 I2C interfaces, an I2S interface, and 3 UARTs, as well as hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP). The LM3S9997 microcontroller also features advanced motion control features, including 6 motion-control PWM outputs with dead-band, two quadrature encoder inputs for precise position monitoring, and 4 fault protection inputs for low-latency shutdown. The microcontroller also features intelligent analog capability, including 2 analog comparators and 16 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample two channels simultaneously at speeds of 1M samples per second. Finally, the LM3S9997 microcontroller provides 16 digital comparators, a 24-bit systick timer, 4 32-bit or 8 16-bit general-purpose timers, 2 watchdog timers, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 60 GPIOs.

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LM3S9B96

The Stellaris® LM3S9B96 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 80 MHz, with 256 kB flash, 96 kB SRAM, a 32-ch DMA, a 32-bit external peripheral interface, a 16MHz internal precision oscillator, and ROM preloaded with the StellarisWare Driver Library, Boot Loader, AES encryption lookup tables, a cyclical redundancy check (CRC) function, and SafeRTOS kernel for general RTOS and safety critical applications. The LM3S9B96 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, 2 CAN controllers, USB 2.0 Full Speed OTG/Host/Device, 2 SSI / SPI controllers, 2 I2C interfaces, an I2S interface, and 3 UARTs, as well as hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP). The LM3S9B96 microcontroller also features advanced motion control features, including 8 motion-control PWM outputs with dead-band, two quadrature encoder inputs for precise position monitoring, and 4 fault protection inputs for low-latency shutdown. The microcontroller also features intelligent analog capability, including 3 analog comparators and 16 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample two channels simultaneously at speeds of 1M samples per second. Finally, the LM3S9B96 microcontroller provides 16 digital comparators, a 24-bit systick timer, four 32-bit or eight 16-bit general-purpose timers, 2 watchdog timers, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 65 GPIOs.

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LM3S9B92

The Stellaris® LM3S9B92 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 80 MHz, with 256 kB flash, 96 kB SRAM, a 32-ch DMA, a 32-bit external peripheral interface, a 16MHz internal precision oscillator, and ROM preloaded with the StellarisWare Driver Library, Boot Loader, AES encryption lookup tables, and a cyclical redundancy check (CRC) function. The LM3S9B92 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, 2 CAN controllers, USB 2.0 Full Speed OTG/Host/Device, 2 SSI / SPI controllers, 2 I2C interfaces, an I2S interface, and 3 UARTs. The LM3S9B92 microcontroller also features advanced motion control features, including 8 motion-control PWM outputs with dead-band, two quadrature encoder inputs for precise position monitoring, and 4 fault protection inputs for low-latency shutdown. The microcontroller also features intelligent analog capability, including 3 analog comparators and 16 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample two channels simultaneously at speeds of 1M samples per second. Finally, the LM3S9B92 microcontroller provides 16 digital comparators, a 24-bit systick timer, four 32-bit or eight 16-bit general-purpose timers, 2 watchdog timers, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 65 GPIOs.

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LM3S8970

The Stellaris® LM3S8970 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, 10/100 Ethernet MAC/PHY, 3 CAN controllers, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, two SSI / SPI controllers, an I2C interface, 2 UARTs, 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 46 GPIOs. The LM3S8970 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S8962

The Stellaris® LM3S8962 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, 10/100 Ethernet MAC/PHY, a CAN controller, a 24-bit Systick Timer, 4x 32-bit or 8x 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 42 GPIOs. The LM3S8962 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S8938

The Stellaris® LM3S8938 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, 10/100 Ethernet MAC/PHY, a CAN controller, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, two I2C interfaces, 3 UARTs, 3 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 38 GPIOs. The LM3S8938 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S8933

The Stellaris® LM3S8933 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, 10/100 Ethernet MAC/PHY, a CAN controller, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, two I2C interfaces, 3 UARTs, 3 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 38 GPIOs. The LM3S8938 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S8730

The Stellaris® LM3S8730 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 128 kB single-cycle flash, 64 kB single-cycle SRAM, 10/100 Ethernet MAC/PHY, a CAN controller, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, an I2C interface, 2 UARTs, 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 32 GPIOs. The LM3S8730 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S8538

The Stellaris® LM3S8538 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, 10/100 Ethernet MAC/PHY, a CAN controller, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, an I2C interface, 2 UARTs, 3 analog comparators, a 10-bit analog-to-digital converter (ADC) with 8 input channels (+/- 1LSb of accuracy), a low drop-out voltage regulator, brown-out reset, power-on reset controller, and up to 36 GPIOs. The LM3S8538 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S6950

The Stellaris® LM3S6950 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, 10/100 Ethernet MAC/PHY, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, two SSI / SPI controllers, an I2C interface, 3 UARTs, 3 analog comparators, a motion-control Pulse Width Modulation (PWM) module with 6 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 46 GPIOs. The LM3S6950 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S6753

The Stellaris® LM3S6753 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 128 kB single-cycle flash, 64 kB single-cycle SRAM, 10/100 Ethernet MAC/PHY, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, an I2C interface, 2 UARTs, 2 analog comparators, 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, 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 41 GPIOs. The LM3S6753 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).

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LM3S6537

The Stellaris® LM3S6537 microcontroller is based on the ARM® Cortex™-M3 controller core operating at 50 MHz, with 128 kB single-cycle flash, 64 kB single-cycle SRAM, 10/100 Ethernet MAC/PHY, a 24-bit Systick Timer, 4x 32-bit or 8x 16-bit general-purpose timers, a watchdog timer, a SSI / SPI controller, an I2C interface, 2 UARTs, 2 analog comparators, 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, 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 41 GPIOs. The LM3S6753 also features hardware-assisted support for synchronized industrial networks utilizing the IEEE 1588 Precision Time Protocol (PTP).