32-bit ARM Cortex-M3S 300 series microcontroller featuring a 25MHz core frequency. This surface mount LQFP package offers 28 programmable I/Os, 4KB RAM, and 16KB FLASH memory. Integrated peripherals include I2C, SPI, UART, USART interfaces, 5 timers/counters, and 2 UART channels. Operating voltage ranges from 3V to 3.6V with an internal oscillator, suitable for -40°C to 105°C environments. Includes Brown-out Detect/Reset, POR, PWM, and WDT for robust operation.
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Texas Instruments LM3S328-EQN25-C2T technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 25MHz |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 7mm |
| Max Frequency | 25MHz |
| Max Operating Temperature | 105°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 3V |
| Mount | Surface Mount |
| Number of A/D Converters | 1 |
| Number of I/Os | 28 |
| Number of Programmable I/O | 28 |
| Number of Timers/Counters | 5 |
| Number of UART Channels | 2 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 2000 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 4KB |
| RoHS Compliant | Yes |
| Series | Stellaris® ARM® Cortex®-M3S 300 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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