32-bit ARM Cortex-M3S 5000 series microcontroller featuring an 80MHz core frequency and 128KB of FLASH memory with 32KB RAM. This surface mount LQFP package offers 33 programmable I/Os, 4 timers/counters, 3 UART channels, and integrated peripherals including DMA, POR, and WDT. Connectivity options include I2C, SPI, USB, IrDA, and UART/USART interfaces, with 2 x 10-bit A/D converters. Operates across a -40°C to 85°C temperature range with a 3.3V supply voltage.
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Texas Instruments LM3S5656-IQR80-C5 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 80MHz |
| Interface | I2C, SPI, USB, IrDA, UART, USART |
| 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 | 33 |
| Number of Programmable I/O | 33 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 3 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 32KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 5000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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