8-bit microcontroller (MCU) featuring 64KB FLASH memory and 4.25KB RAM. Operates at up to 25MHz with an 8051 core architecture and 8-bit data bus width. Offers 32 programmable I/Os and supports I2C, SPI, UART, USART, EBI/EMI, SMBus, and 2-Wire interfaces. Includes 5 timers/counters, internal oscillator, and peripherals like Brown-out Detect/Reset, POR, PWM, WDT, and Temp Sensor. Packaged in a 64-TQFP for surface mounting, with an operating temperature range of -40°C to 85°C and supply voltage from 2.7V to 3.6V.
Checking distributor stock and pricing after the page loads.
Sign in to ask questions about the Silicon Labs C8051F021R datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Silicon Labs C8051F021R technical specifications.
| Access Time | 25us |
| Package/Case | TQFP |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | I2C, SPI, UART, USART, EBI/EMI, SMBus, 2-Wire |
| Lead Free | Contains Lead |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of Channels | 5 |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 5 |
| Oscillator Type | Internal |
| Package Quantity | 500 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor |
| RAM Size | 4.25KB |
| Series | C8051F02x |
| RoHS | Not Compliant |
Download the complete datasheet for Silicon Labs C8051F021R to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
