32-bit ARM Cortex-M3S microcontroller featuring an 80MHz core frequency. Surface mount LFBGA package with 65 I/Os, including 3 UART channels. Integrated peripherals include DMA, PWM, WDT, and multiple communication interfaces such as I2C, SPI, USB, and Ethernet. Equipped with 128KB FLASH and 64KB RAM, plus 2 x 10-bit A/D converters. Operates from a 3.3V supply across a -40°C to 85°C temperature range.
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Texas Instruments LM3S9781-IBZ80-C5 technical specifications.
| Package/Case | LFBGA |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 80MHz |
| Interface | I2C, SPI, UART, USB, Ethernet, IrDA, USART, EBI/EMI |
| Lead Free | Contains Lead |
| 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 | 184 |
| Packaging | Tray |
| 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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