Featuring an integrated 10/100 Ethernet MAC and PHY, 128K bytes of single cycle flash, 64K bytes of single cycle SRAM, and 50 MHz performance, the Stellaris LM3S6700 microcontrollers are perfect for cost-effective embedded control applications requiring industrial connectivity. Analog features in the LM3S6700 series include 2 analog comparators.
| Ethernet MAC/PHY | IEEE I588 PTP | UARTs | GPIOs | SSI | I2C | ADC Channels | PWM Pins | |
|---|---|---|---|---|---|---|---|---|
| LM3S6753 | √ | √ | 2 | 5-41 | 1 | 1 | 4 | 6 |
| LM3S6730 | √ | – | 1 | 23-46 | 1 | – | – | – |

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).

The LM3S6730 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, Systick timer, three 32-bit or six 16-bit general purpose timers, watchdog timer, SSI / SPI controller, two analog comparators, UART, low drop-out voltage regulator, brown-out reset, power-on reset controller, and up to 46 GPIOs.