| PartNumber | LM3S101-EQN20-C2 | LM3S101-EGZ20-C2 | LM3S101-EGZ20-C2T |
| Description | ARM Microcontrollers - MCU Stellaris Micro controller | ARM Microcontrollers - MCU 32B ARM Cortex MCU | ARM Microcontrollers - MCU 32B ARM Cortex MCU |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-48 | QFN-48 | QFN-48 |
| Series | LM3S101 | LM3S | LM3S |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| ADC Resolution | No ADC | No ADC | No ADC |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 105 C |
| Packaging | Tray | - | Reel |
| Product | MCU | MCU | MCU |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Development Kit | DK-LM3S101 | - | - |
| Moisture Sensitive | Yes | - | - |
| Processor Series | Stellaris | Stellaris | Stellaris |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 1 | 1 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | Stelaris | Stellaris | Stellaris |
| Unit Weight | 0.006409 oz | - | - |
| Maximum Clock Frequency | - | 20 MHz | 20 MHz |
| Program Memory Size | - | 8 kB | 8 kB |
| Data RAM Size | - | 2 kB | 2 kB |
| Number of I/Os | - | 18 I/O | 18 I/O |
| Height | - | 0.95 mm | 0.95 mm |
| Length | - | 7 mm | 7 mm |
| Program Memory Type | - | Flash | Flash |
| Width | - | 7 mm | 7 mm |
| Interface Type | - | SPI/SSI/UART | SPI/SSI/UART |
| Number of Timers/Counters | - | 4 Timer | 4 Timer |
| Supply Voltage Max | - | 3.6 V | 3.6 V |
| Supply Voltage Min | - | 3 V | 3 V |