Silicon Labs C8051F705-GQ

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Product attributes Property Value
Manufacturer Silicon Labs
Product Series C8051F70x
Packaging | Tray
Core Processor 8051
Core Size 8-Bit
Speed 25MHz
Connectivity SMBus (2-Wire/I2C), SPI, UART/USART
Peripherals Cap Sense, POR, PWM, WDT
Number of I/O 39
Program Memory Size 15KB (15K x 8)
Program Memory Type FLASH
EEPROM Size 32 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 48-TQFP (7x7)
Package / Case 48-TQFP

C8051F705-GQ - High-Performance 8-Bit Microcontroller

The C8051F705-GQ from Silicon Labs is a versatile 8-bit microcontroller featuring the proven 8051 core architecture, designed for embedded applications requiring reliable performance and rich peripheral integration. With 25MHz operating speed, 15KB Flash memory, and 39 I/O pins, this MCU delivers exceptional flexibility for industrial control, sensor interfaces, and IoT edge devices.

Key Features & Benefits

  • High-Speed Processing: 25MHz 8051 core for responsive real-time control
  • Generous Memory: 15KB Flash program memory, 512 bytes RAM, 32 bytes EEPROM
  • Rich Connectivity: SMBus (I2C), SPI, UART/USART interfaces for seamless integration
  • Advanced Peripherals: Capacitive sensing, PWM, watchdog timer, power-on reset
  • Wide Operating Range: 1.8V to 3.6V supply, -40°C to 85°C temperature range
  • Compact Package: 48-pin TQFP (7x7mm) surface mount for space-efficient designs

Ideal Applications

Perfect for industrial automation, smart sensors, consumer electronics, battery-powered devices, and embedded control systems requiring low power consumption and robust performance.


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