| PartNumber | LM3S1G21-IBZ80-A2 | LM3S1G21-IBZ80-A1 | LM3S1G21-IBZ80-A1T |
| Description | IC MCU 32BIT 384KB FLASH 108BGA Stellaris ARM Cortex-M3S 1000 | IC MCU 32BIT 384KB FLASH 108BGA Stellaris ARM Cortex-M3S 1000 | IC MCU 32BIT 384KB FLASH 108BGA Stellaris ARM Cortex-M3S 1000 |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Embedded - Microcontrollers | - | - |
| Series | StellarisR ARMR CortexR-M3S 1000 | - | - |
| Packaging | Tray | - | - |
| Package Case | 108-LFBGA | - | - |
| Operating Temperature | -40°C ~ 85°C (TA) | - | - |
| Supplier Device Package | 108-BGA (10x10) | - | - |
| Number of I O | 67 | - | - |
| Speed | 80MHz | - | - |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | 64K x 8 | - | - |
| Program Memory Type | FLASH | - | - |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | - | - |
| Connectivity | EBI/EMI, I2C, IrDA, LIN, Microwire, SPI, SSI, UART/USART | - | - |
| Voltage Supply Vcc Vdd | 1.235 V ~ 1.365 V | - | - |
| Core Size | 32-Bit | - | - |
| Program Memory Size | 384KB (384K x 8) | - | - |
| Data Converters | A/D 8x12b | - | - |
| Oscillator Type | Internal | - | - |