The AT80251G2D-RLTUM is an 8-bit microcontroller based on the 80C51 core architecture. It operates at a maximum frequency of 24 megahertz and can handle a maximum supply voltage of 5.5 volts. The device is packaged in a TQFP package, making it suitable for surface mount applications. The operating temperature range is from -40 degrees Celsius to 85 degrees Celsius. The microcontroller features 1 kilobyte of RAM and includes peripherals such as a power-on reset, pulse width modulation, and a watchdog timer. It also supports various interfaces including SPI, UART, I2C, USART, and EBI/EMI.
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| Package/Case | TQFP |
| Core Architecture | 80C51 |
| Data Bus Width | 8b |
| Interface | SPI, UART, I2C, USART, EBI/EMI |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Type | ROMless, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 800 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT |
| RAM Size | 1KB |
| RoHS Compliant | Yes |
| Series | 8x251 |
| RoHS | Compliant |
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