8-bit microcontroller featuring an 8051 core architecture operating at up to 25MHz. This FLASH memory microcontroller offers 2KB of program memory and 256 bytes of RAM, with 8 programmable I/O pins. Integrated peripherals include POR, PWM, and a watchdog timer, alongside multiple communication interfaces such as I2C, UART, SMBus, USART, and 2-Wire. Designed for surface mounting in a compact QFN package, it operates across a supply voltage range of 2.7V to 3.6V and an extended temperature range of -40°C to 85°C.
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Silicon Labs C8051F305 technical specifications.
| Access Time | 25us |
| Package/Case | QFN |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | I2C, UART, SMBus, USART, 2-Wire |
| Lead Free | Contains Lead |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 2KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of I/Os | 8 |
| Number of Programmable I/O | 8 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 122 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT |
| RAM Size | 256B |
| RoHS Compliant | No |
| Series | C8051F30x |
| Watchdog Timer | Yes |
| RoHS | Not Compliant |
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