8-Bit Microcontroller featuring an 8051 CPU core operating at up to 25MHz. This FLASH memory microcontroller offers 64KB of program memory and 4.25KB of RAM, with an access time of 25µs. Integrated peripherals include SPI, CAN, UART, SMBus, I2C, USART, EBI/EMI, and 2-Wire interfaces, alongside 64 programmable I/Os and 5 timers/counters. The device operates from a 2.7V to 3.6V supply, with an operating temperature range of -40°C to 85°C, and is housed in a TQFP package.
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Silicon Labs C8051F042 technical specifications.
| Access Time | 25us |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | SPI, CAN, UART, SMBus, I2C, USART, EBI/EMI, 2-Wire |
| Lead Free | Contains Lead |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.7V |
| Number of Channels | 6 |
| Number of I/Os | 64 |
| Number of Programmable I/O | 64 |
| Number of Timers/Counters | 5 |
| Oscillator Type | Internal |
| Package Quantity | 90 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor |
| RAM Size | 4.25KB |
| RoHS Compliant | No |
| Series | C8051F04x |
| Watchdog Timer | Yes |
| RoHS | Not Compliant |
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