Texas Instruments Stellaris ARM Cortex-M3S 1000 series LM3S1H11-IQC80-A2T, 32-bit single-core MCU, 80 MHz, 512 KB FLASH, 48K x 8 RAM, 67 I/O, 100-LQFP, -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 | 100-LQFP |
| Data converters | A/D 8x12b |
| Program memory size | 512KB (512K x 8) |
The 80 MHz Cortex-M3 core delivers 512 KB Flash and 48K x 8 RAM.
Housed in a 100-LQFP with a 14x14 mm body, the 67 I/O are accessible across the four sides. The 1.235 V to 1.365 V core supply requires a dedicated low-voltage regulator.
Yes, the LM3S1H11-IQC80-A2T is officially Obsolete. It is no longer in production and no last-time-buy is available. The only supply channel is the independent surplus market.