Texas Instruments LM3S9U96-IQC80-A2, Stellaris ARM Cortex-M3S 9000 series, 32-bit single-core MCU at 80MHz, 384KB Flash, 96KB RAM, Ethernet + USB OTG + CAN, 65 I/O, 100-LQFP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 9000 |
| 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 | Tray |
| RAM size | 96K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | CANbus, Ethernet, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG |
| Number of i (O) | 65 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Data converters | A/D 16x12b |
| Program memory size | 384KB (384K x 8) |
65 general-purpose I/O lines are available, with support for PWM, quadrature encoder interface (QEI), I²S audio, and multiple serial protocols including SPI, SSI, Microwire, IrDA, LIN, and UART.
The 1.235 V to 1.365 V core supply means the board needs a dedicated low-voltage rail — not a direct 3.3 V feed.
Yes. Texas Instruments lists the product status as obsolete. No official replacement part number has been assigned. For production continuity, the part is available via the surplus and broker channel.
The Cortex-M3 core runs at 80 MHz. At that speed, the Flash requires wait states for zero-wait access — budget one wait state above 50 MHz in the clock configuration.