| PartNumber | LM3S1R26-IQR80-C5 | LM3S1R26-IQR80-C3T | LM3S1R26-IQR80-C3 |
| Description | ARM Microcontrollers - MCU Stellaris MCU | ARM Microcontrollers - MCU Stellaris MCU | ARM Microcontrollers - MCU Stellaris 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 | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-64 | LQFP-64 | LQFP-64 |
| Series | LM3S1R26 | LM3S | LM3S |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 48 kB | 48 kB | 48 kB |
| Number of I/Os | 33 I/O | 33 I/O | 33 I/O |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Reel | Tray |
| Product | MCU | MCU | MCU |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 4 Timer | 4 Timer | 4 Timer |
| Processor Series | LM3S1000 | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 1 | 1 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | Stellaris | Stellaris | Stellaris |
| Unit Weight | 0.012088 oz | 0.012088 oz | 0.012088 oz |
| Height | - | 1.45 mm | 1.45 mm |
| Length | - | 10.2 mm | 10.2 mm |
| Program Memory Type | - | Flash | Flash |
| Width | - | 10.2 mm | 10.2 mm |
| Interface Type | - | I2C/SPI/UART | I2C/SPI/UART |
| Supply Voltage Max | - | 1.365 V, 3.6 V | 1.365 V, 3.6 V |
| Supply Voltage Min | - | 1.235 V, 3 V | 1.235 V, 3 V |