8-Bit Microcontroller (MCU) featuring an 8051 CPU core operating at up to 25MHz. This CMOS device offers 8KB of FLASH memory and 0.75KB of RAM, with an access time of 25µs. Integrated peripherals include I2C, SPI, UART, USART, SMBus, and 2-Wire interfaces, alongside 3 PWM channels and 4 timers/counters. The MCU is housed in a 4mm x 4mm x 0.88mm QFN package with Tin, Matte contact plating, supporting a supply voltage range of 2.7V to 3.6V and operating temperatures from -40°C to 85°C.
Silicon Labs C8051F331-GM technical specifications.
| Access Time | 25us |
| Package/Case | QFN |
| Contact Plating | Tin, Matte |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Density | 8KB |
| Frequency | 25MHz |
| Height | 0.88mm |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Lead Free | Lead Free |
| Length | 4mm |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Number of Channels | 3 |
| Number of I/Os | 17 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 17 |
| Number of PWM Channels | 3 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 1 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 91 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 0.75KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | C8051F33x |
| Termination | SMD/SMT |
| Width | 4mm |
| RoHS | Compliant |
Download the complete datasheet for Silicon Labs C8051F331-GM to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.