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C8051F221-GQR

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C8051F221-GQR

IC MCU 8BIT 8KB FLASH 32LQFP

Manufacturer: Silicon Labs

Categories: Microcontrollers

Quality Control: Learn More

Silicon Labs C8051F2xx series microcontroller, part number C8051F221-GQR, is an 8-bit MCU featuring an 8051 core. This device operates at up to 25MHz and includes 8KB of FLASH program memory, suitable for applications requiring embedded control. It offers 256 bytes of RAM and 22 general-purpose I/O pins. Connectivity options include SPI and UART/USART interfaces. The integrated analog-to-digital converter provides 22 channels with 8-bit resolution. Peripherals include brown-out detect/reset, power-on reset (POR), and watchdog timer (WDT). This component is supplied in a 32-LQFP (7x7) package for surface mounting and operates within a temperature range of -40°C to 85°C. It is commonly utilized in industrial automation, consumer electronics, and communication systems. The device is delivered in Tape & Reel packaging.

Additional Information

Series: C8051F2xxRoHS Status: ROHS3 CompliantManufacturer Lead Time: 20 week(s)Product Status: Last Time BuyPackaging: Tape & Reel (TR)Datasheet:
Technical Details:
PackagingTape & Reel (TR)
Package / Case32-LQFP
Mounting TypeSurface Mount
Speed25MHz
Program Memory Size8KB (8K x 8)
RAM Size256 x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size-
Core Processor8051
Data ConvertersA/D 22x8b
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)2.7V ~ 3.6V
ConnectivitySPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, WDT
Supplier Device Package32-LQFP (7x7)
Number of I/O22
ProgrammableVerified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

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