Texas Instruments Stellaris ARM Cortex-M3S 1000 series, LM3S1H11-IBZ80-A2T, 32-bit single-core MCU, 80 MHz, 512 KB Flash, 48K x 8 RAM, 67 I/O, 108-LFBGA, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.235V ~ 1.365V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tape & Reel (TR) |
| RAM size | 48K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | EBI/EMI, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 67 |
| Core processor | ARM® Cortex®-M3 |
| Case | 108-LFBGA |
| Data converters | A/D 8x12b |
| Program memory size | 512KB (512K x 8) |
The LM3S1H11-IBZ80-A2T: The connectivity block supports EBI/EMI for external memory or FPGA bridging, plus I²C, IrDA, LINbus, Microwire, SPI, SSI, and UART/USART — enough serial interfaces to handle a mixed-sensor or multi-protocol control board.
If you are stocking spares for a production line still using this MCU, consider a last-time-buy quantity to cover the remaining service life.
Buyers need to know if the part is still in production to avoid redesign or sourcing risk.
Directly answers the need for a drop-in or functional substitute to avoid redesign.
Essential for procurement to find available stock and authorized distributors.
Design engineers need specs, pinout, and electrical characteristics to validate fit.
Sourcing buyers require cost data for BOM estimation and budget approval.
Comparison and cross-reference help select best option when original is unavailable or obsolete.