8-bit microcontroller featuring an 8051 core architecture operating at 50MHz. This MCU offers 8KB of FLASH memory and 1.25KB of RAM, with 18 programmable I/O pins. Integrated peripherals include I2C, SPI, UART, USART, SMBus, and 2-Wire interfaces, alongside 4 timers/counters, POR, PWM, WDT, and a temperature sensor. Designed for surface mounting in a QFN package with tin, matte contact plating, it operates from 1.8V to 5.25V and supports a temperature range of -40°C to 125°C.
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| Package/Case | QFN |
| Contact Plating | Tin, Matte |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 50MHz |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Max Frequency | 50MHz |
| Max Operating Temperature | 125°C |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.25V |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of Channels | 6 |
| Number of I/Os | 18 |
| Number of Programmable I/O | 18 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 91 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, Temp Sensor |
| RAM Size | 1.25KB |
| RoHS Compliant | Yes |
| Series | C8051F54x |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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