32-bit ARM Cortex-M3S 9000 series RISC microcontroller featuring 80MHz operation and 128KB FLASH memory. This surface mount LQFP package offers 65 I/Os, 64KB RAM, and integrated peripherals including I2C, SPI, UART, USB, Ethernet, and a watchdog timer. Operating at 3.3V, it includes 2x 10-bit A/D converters and 4 timers, with a temperature range of -40°C to 85°C.
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Texas Instruments LM3S9781-IQC80-C3T technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 80MHz |
| Interface | I2C, SPI, UART, USB, Ethernet, IrDA, USART, EBI/EMI |
| Lead Free | Lead Free |
| Length | 14.2mm |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Mount | Surface Mount |
| Number of A/D Converters | 2 |
| Number of Bits | 10 |
| Number of I/Os | 65 |
| Number of Programmable I/O | 65 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 3 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 64KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 9000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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