8-bit microcontroller featuring an 8051 core architecture and 25MHz maximum frequency. This CMOS device offers 16KB of FLASH memory and 1.25KB of RAM, with 25 programmable I/O pins. Integrated peripherals include 17 ADC channels, 5 PWM channels, 4 timers/counters, and multiple communication interfaces such as I2C, SPI, and UART. The QFN-28 package has a 0.8mm lead pitch and measures 5mm x 5mm x 0.95mm. Operating voltage ranges from 2.7V to 3.6V, with a lead-free and RoHS compliant design.
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Silicon Labs C8051F311-GM technical specifications.
| Access Time | 25us |
| Package/Case | QFN |
| Contact Plating | Tin, Matte |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Density | 16KB |
| Frequency | 25MHz |
| Height | 0.95mm |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Lead Free | Lead Free |
| Lead Pitch | 0.8mm |
| Length | 5mm |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.7V |
| Number of ADC Channels | 17 |
| Number of Bits | 8 |
| Number of Channels | 5 |
| Number of I/Os | 25 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 25 |
| Number of PWM Channels | 5 |
| 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 | 73 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT, Temp Sensor |
| Radiation Hardening | No |
| RAM Size | 1.25KB |
| Reach SVHC Compliant | Unknown |
| RoHS Compliant | Yes |
| Row Spacing | 5mm |
| Series | C8051F31x |
| Width | 5mm |
| RoHS | Compliant |
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