32-bit ARM Cortex-M3S microcontroller featuring 80MHz max frequency, 512KB FLASH memory, and 96KB RAM. Surface mount LFBGA package with 67 programmable I/Os, supporting I2C, SPI, IrDA, UART, USART, and EBI/EMI interfaces. Includes 4 timers/counters, 3 UART channels, and an internal oscillator. Operates from -40°C to 85°C with integrated peripherals like Brown-out Detect/Reset, POR, PWM, WDT, and DMA.
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Texas Instruments LM3S1D21-IBZ80-A2T technical specifications.
| Package/Case | LFBGA |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Interface | I2C, SPI, IrDA, UART, USART, EBI/EMI |
| Lead Free | Contains Lead |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 512KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Mount | Surface Mount |
| Number of A/D Converters | 1 |
| Number of Bits | 12 |
| Number of I/Os | 67 |
| Number of Programmable I/O | 67 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 3 |
| Oscillator Type | Internal |
| Package Quantity | 184 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 96KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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