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| PartNumber | LM3S5B91-IQC80-C0T | LM3S5B91-IQC80-C0 | LM3S5B91-IQC80-C1 |
| Description | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU Stellaris Micro controller | ARM Microcontrollers - MCU Stellaris MCU |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Series | LM3S | LM3S | LM3S |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Operating Supply Voltage | 1.3 V | 1.3 V | 1.3 V |
| Product | MCU | MCU | MCU |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Number of ADC Channels | 16 Channel | 16 Channel | 16 Channel |
| Processor Series | Stellaris | Stellaris | Stellaris |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| 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 |
| Tradename | Stelaris | Stellaris | Stellaris |
| RoHS | - | Y | Y |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Package / Case | - | LQFP-100 | LQFP-100 |
| Maximum Clock Frequency | - | 80 MHz | 80 MHz |
| Program Memory Size | - | 256 kB | 256 kB |
| Data RAM Size | - | 96 kB | 96 kB |
| Number of I/Os | - | 72 I/O | 72 I/O |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Height | - | 1.4 mm | 1.45 mm |
| Length | - | 14 mm | 14.2 mm |
| Program Memory Type | - | Flash | Flash |
| Width | - | 14 mm | 14.2 mm |
| Interface Type | - | CAN, SPI, SSI, UART | CAN/SPI/SSI/UART |
| Number of Timers/Counters | - | 4 Timer | 4 Timer |
| Factory Pack Quantity | - | 1 | 1 |
| Unit Weight | - | 0.046530 oz | 0.046530 oz |