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| PartNumber | LM3S2671-IQR50-A0T | LM3S2671-IQR50-A0 | LM3S2678-IQR50 |
| Description | ARM Microcontrollers - MCU ARM Cortex-M3 128K | ARM Microcontrollers - MCU ARM Cortex-M3 128K | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-64 | LQFP-64 | - |
| Series | LM3S2671 | LM3S2671 | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 50 MHz | 50 MHz | - |
| Program Memory Size | 128 kB | 128 kB | - |
| Data RAM Size | 32 kB | 32 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 33 I/O | 33 I/O | - |
| Operating Supply Voltage | 2.5 V | 2.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Tray | - |
| Height | 1.4 mm | 1.4 mm | - |
| Length | 10 mm | 10 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Width | 10 mm | 10 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Interface Type | CAN, I2C, SPI, SSI, UART | CAN, I2C, SPI, SSI, UART | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 4 | 4 | - |
| Number of Timers/Counters | 6 Timer | 6 Timer | - |
| Processor Series | Stellaris 2000 | Stellaris 2000 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 1000 | 160 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 2.75 V | 2.75 V | - |
| Supply Voltage Min | 2.25 V | 2.25 V | - |
| Tradename | Stelaris | Stelaris | - |
| Unit Weight | 0.012088 oz | 0.012088 oz | - |