
LM3S5791-IQC80-B1 MCU, 80MHz ARM Cortex-M3, 128KB Flash
Texas Instruments Stellaris LM3S5791-IQC80-B1, 32-bit ARM Cortex-M3 single-core at 80MHz, 128KB FLASH, 64KB SRAM, 72 I/O, CAN/LIN/SPI/USB OTG, 100-LQFP, -40 to 85°C, tray.
- 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
- Date & lot codes on quoteStated per line before you commit; label photos on request.
- MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
- PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.
Specifications
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Mounting type | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.08V ~ 1.32V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 80MHz |
| Package | Tray |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG |
| Number of i (O) | 72 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Data converters | A/D 16x10b |
| Program memory size | 128KB (128K x 8) |
Frequently asked questions
What replaces the LM3S5791-IQC80-B1?
No official successor order code appears in this listing's lifecycle record. The Stellaris line was consolidated into TI's Tiva C Series under the TM4C family; engineers should cross-reference the Stellaris-to-Tiva migration guides for a functionally equivalent replacement.
Where can I source the LM3S5791-IQC80-B1?
The part is quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock count or lead-time figure is stated in this listing.
What is the speed of the LM3S5791-IQC80-B1?
The listed speed is 80MHz, driven by the ARM Cortex-M3 core clock.
What series does the LM3S5791-IQC80-B1 belong to?
It is a member of the Stellaris ARM Cortex-M3S 5000 series.