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C8051F121-GQ

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C8051F121-GQ

IC MCU 8BIT 128KB FLASH 64TQFP

Manufacturer: Silicon Labs

Categories: Microcontrollers

Quality Control: Learn More

The Silicon Labs C8051F121-GQ is an 8-bit microcontroller, part of the C8051F12x series. This high-performance device features an 8051 core capable of operating at 100MHz, with 128KB of FLASH program memory and 8.25KB of RAM. It offers extensive connectivity options including EBI/EMI, SMBus (2-Wire/I2C), SPI, and UART/USART interfaces. On-chip peripherals include an 8x8-bit and 8x12-bit Analog-to-Digital converter, two 12-bit Digital-to-Analog converters, Brown-out Detect/Reset, Power-On Reset (POR), Pulse Width Modulation (PWM), a temperature sensor, and a Watchdog Timer (WDT). With 32 general-purpose I/O pins, this component is suitable for surface mount applications within a -40°C to 85°C operating temperature range. The C8051F121-GQ is supplied in a 64-TQFP (10x10) package. Its robust feature set makes it applicable in industrial automation, automotive control, and consumer electronics.

Additional Information

Series: C8051F12xRoHS Status: ROHS3 CompliantManufacturer Lead Time: 18 week(s)Product Status: Not For New DesignsPackaging: TrayDatasheet:
Technical Details:
PackagingTray
Package / Case64-TQFP
Mounting TypeSurface Mount
Speed100MHz
Program Memory Size128KB (128K x 8)
RAM Size8.25K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size-
Core Processor8051
Data ConvertersA/D 8x8b, 8x12b; D/A 2x12b
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)3V ~ 3.6V
ConnectivityEBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Supplier Device Package64-TQFP (10x10)
Number of I/O32
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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