8-Bit Microcontroller, FLASH memory, 8051 CPU architecture, operating at up to 50MHz. Features 128KB FLASH memory, 8.25KB RAM, and 40 programmable I/Os. Integrated peripherals include 32 ADC channels, 12 PWM channels, 6 timers/counters, and multiple communication interfaces such as I2C, SPI, and UART. Operates from 1.8V to 5.25V supply voltage, with a temperature range of -40°C to 125°C. Surface mountable in a QFN package with tin contact plating.
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Silicon Labs C8051F581-IM technical specifications.
| Package/Case | QFN |
| Contact Plating | Tin |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Height | 0.95mm |
| Interface | I2C, SPI, UART, USART, EBI/EMI, SMBus, 2-Wire |
| Length | 7mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of ADC Channels | 32 |
| Number of Channels | 12 |
| Number of I/Os | 40 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 40 |
| Number of PWM Channels | 12 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 6 |
| Number of UART Channels | 2 |
| Oscillator Type | Internal |
| Package Quantity | 43 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, Temp Sensor |
| Radiation Hardening | No |
| RAM Size | 8.25KB |
| RoHS Compliant | Yes |
| Series | C8051F58x |
| Width | 7mm |
| RoHS | Compliant |
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