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| PartNumber | LM3S5C31-IQC80-A1T | LM3S5C31-IQC80-A2 | LM3S5C31-IQC80-A1 |
| Description | ARM Microcontrollers - MCU IC ARM Cortex-M3 MCU | ARM Microcontrollers - MCU Stellaris MCU | ARM Microcontrollers - MCU IC ARM Cortex-M3 MCU |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Series | LM3S | LM3S5C31 | LM3S |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Operating Supply Voltage | 1.3 V | 1.3 V | 1.3 V |
| Product | MCU | MCU | MCU |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Number of ADC Channels | 16 Channel | 16 Channel | 16 Channel |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1000 | 90 | 90 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.365 V | 1.365 V | 1.365 V |
| Supply Voltage Min | 1.235 V | 1.235 V | 1.235 V |
| RoHS | - | Y | - |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | LQFP-100 | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Moisture Sensitive | - | Yes | - |
| Tradename | - | Stellaris | - |
| Unit Weight | - | 0.046530 oz | - |