Texas Instruments Stellaris® ARM® Cortex®-M3S 5000 series LM3S5G51-IBZ80-A1T, 32-Bit Single-Core MCU, 80MHz, 384KB FLASH, 64K x 8 SRAM, 67 I/O, 108-LFBGA, -40°C~85°C.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 3V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tape & Reel (TR) |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG |
| Number of i (O) | 67 |
| Core processor | ARM® Cortex®-M3 |
| Case | 108-LFBGA |
| Data converters | A/D 16x12b |
| Program memory size | 384KB (384K x 8) |
The LM3S5G51-IBZ80-A1T: The 108-ball BGA package (10x10 mm) and 67 I/O lines provide enough connectivity for sensor arrays and actuator interfaces without external port expanders.
Buyers should qualify stock on hand for remaining build requirements and evaluate a pin-compatible migration path within the Stellaris family for new designs.
Yes, the lifecycle status is Obsolete. For remaining production needs, the part is available through surplus and broker channels.