8-bit Microcontroller (MCU) featuring a 50MHz core frequency and 8051 architecture. Offers 16KB FLASH memory and 1.25KB RAM. Includes 25 programmable I/Os, 4 timers/counters, and multiple communication interfaces: I2C, SPI, UART, USART, SMBus, and 2-Wire. Equipped with 25 ADC channels and peripherals like POR, PWM, WDT, and a temperature sensor. Packaged in a QFN surface mount case with tin, matte contact plating, operating from 1.8V to 5.25V and a temperature range of -40°C to 125°C.
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Silicon Labs C8051F540-IM technical specifications.
| Package/Case | QFN |
| Contact Plating | Tin, Matte |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 50MHz |
| Height | 1mm |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Length | 5mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 125°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of ADC Channels | 25 |
| Number of Channels | 6 |
| Number of I/Os | 25 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 25 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 1 |
| Oscillator Type | Internal |
| Package Quantity | 60 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, Temp Sensor |
| RAM Size | 1.25KB |
| RoHS Compliant | Yes |
| Series | C8051F54x |
| Watchdog Timer | Yes |
| Width | 5mm |
| RoHS | Compliant |
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