| PartNumber | LM3S8971-EQC50-A2 | LM3S8971-IBZ50-A2 | LM3S8971-EQC50-A2T |
| Description | ARM Microcontrollers - MCU Stellaris Micro controller | IC MCU 32BIT 256KB FLASH 108BGA Stellaris ARM Cortex-M3S 8000 | IC MCU 32BIT 256KB FLASH 100LQFP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | ARM Microcontrollers - MCU | Embedded - Microcontrollers | - |
| RoHS | Y | - | - |
| Package / Case | LQFP-100 | - | - |
| Series | LM3S | StellarisR ARMR CortexR-M3S 8000 | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 50 MHz | 50 MHz | - |
| Program Memory Size | 256 kB | 256KB (256K x 8) | - |
| Data RAM Size | 64 kB | 64 kB | - |
| Number of I/Os | 38 I/O | - | - |
| Operating Supply Voltage | 2.5 V | 2.5 V 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 85 C | - |
| Packaging | Tray | Tray Alternate Packaging | - |
| Height | 1.45 mm | - | - |
| Length | 14.2 mm | - | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | FLASH | - |
| Width | 14.2 mm | - | - |
| Brand | Texas Instruments | - | - |
| Interface Type | CAN/Ethernet/SSI/UART | I2C SPI SSI UART | - |
| Analog Supply Voltage | 3.3 V | - | - |
| I/O Voltage | 3.3 V | - | - |
| Number of Timers/Counters | 6 Timer | - | - |
| Processor Series | Stellaris | Stellaris | - |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 2.75 V | - | - |
| Supply Voltage Min | 2.25 V | - | - |
| Tradename | Stellaris | Stelaris | - |
| Unit Weight | 0.046530 oz | - | - |
| Mounting Style | - | SMD/SMT | - |
| Package Case | - | nFBGA-108 | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | - | 108-BGA (10x10) | - |
| Number of I O | - | 38 | - |
| Speed | - | 50MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | - | ARMR CortexR-M3 | - |
| RAM Size | - | 64K x 8 | - |
| Peripherals | - | Brown-out Detect/Reset, POR, PWM, WDT | - |
| Connectivity | - | CAN, Ethernet, IrDA, Microwire, QEI, SPI, SSI, UART/USART | - |
| Voltage Supply Vcc Vdd | - | 2.25 V ~ 2.75 V | - |
| Core Size | - | 32-Bit | - |
| Data Converters | - | A/D 8x10b | - |
| Oscillator Type | - | Internal | - |
| Supply Voltage Max | - | 2.75 V 3.6 V | - |
| Supply Voltage Min | - | 2.25 V 2.3 V 3 V | - |
| Number of I Os | - | 38 I/O | - |
| Number of Timers Counters | - | 6 Timer | - |