8-Bit Microcontroller, featuring an 8051 core architecture and operating up to 50MHz. This FLASH memory microcontroller offers 128KB of program memory and 8.25KB of RAM. It supports I2C, SPI, UART, USART, EBI/EMI, SMBus, and 2-Wire interfaces, with 40 programmable I/Os and 6 timers/counters. Designed for surface mounting in a QFP package, it operates from 1.8V to 5.25V and across a temperature range of -40°C to 125°C.
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Silicon Labs C8051F581-IQ technical specifications.
| Package/Case | QFP |
| Contact Plating | Tin, Matte |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 24MHz |
| Interface | I2C, SPI, UART, USART, EBI/EMI, SMBus, 2-Wire |
| Max Frequency | 50MHz |
| Max Operating Temperature | 125°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of Channels | 12 |
| Number of I/Os | 40 |
| Number of Programmable I/O | 40 |
| Number of Timers/Counters | 6 |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT, Temp Sensor |
| RAM Size | 8.25KB |
| RoHS Compliant | Yes |
| Series | C8051F58x |
| RoHS | Compliant |
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