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C8051F042-GQR C8051F042-GQR is an 8-bit, 8051-core microcontroller from Silicon Labs. It features 64KB flash memory, 4.25KB RAM, up to 25MHz operation, and a 100-TQFP package.
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C8051F042-GQR

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
C8051F042-GQR is an 8-bit, 8051-core microcontroller from Silicon Labs. It features 64KB flash memory, 4.25KB RAM, up to 25MHz operation, and a 100-TQFP package.
✓ Total Stock: 1,669 pcs

C8051F042-GQR Available from 1 distributor

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C8051F042-GQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
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Number of DACs
Number of I
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Peripherals
Program Memory Size
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C8051F042-GQR Description

Short technical summary and product information.

The C8051F042-GQR is an 8-bit microcontroller from Silicon Labs based on the 8051 core. It provides 64KB of in-system programmable flash memory and 4.25KB of internal data RAM, with a maximum clock speed of 25MHz. This device operates from a 2.7V to 3.6V supply and is rated for -40°C to 85°C operation.

 

The microcontroller includes a rich set of digital peripherals: CANbus, SMBus (I2C-compatible), SPI, and UART/USART connectivity, along with 64 I/O pins in an 8-byte-wide port architecture. On-chip peripherals include a brown-out detector, power-on reset, PWM, temperature sensor, and watchdog timer. For analog signals, it has a 10-bit SAR ADC with 13 external input channels and two 12-bit DACs.

 

Packaged in a 100-TQFP (14x14mm) surface-mount package, the C8051F042-GQR is suitable for embedded control applications that require mixed-signal processing and communication interfaces. However, per the manufacturer, this product is not recommended for new designs. Engineers are advised to check for alternate parts or availability before starting a new project.

C8051F042-GQR Quick Information

Product Type: Microcontroller
Canonical Name: C8051F042-GQR - 8-Bit 8051 Microcontroller with 64KB Flash
Subcategory: Embedded

C8051F042-GQR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

C8051F042-GQR Features

  • 8-bit 8051 MCU with 25MHz max speed.
  • 64KB flash and 4.25KB RAM.
  • CAN, SMBus, SPI, UART/USART connectivity.
  • 10-bit ADC with 13 external channels.
  • 100-TQFP surface mount package.

C8051F042-GQR Applications

  • Suitable for industrial control networks using CAN.
  • Provides analog signal conditioning with ADC and DAC.
  • Useful for data acquisition with 13-channel ADC.
  • Enables PWM-based motor control designs.

C8051F042-GQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the C8051F042-GQR?

The operating voltage range is 2.7V to 3.6V.

What is the operating temperature range?

-40°C to 85°C.

What package is the C8051F042-GQR available in?

100-TQFP (14x14mm) surface-mount package.

What is the maximum clock speed?

25MHz.

What communication interfaces does the C8051F042-GQR support?

CANbus, EBI/EMI, SMBus (2-Wire/I2C), SPI, and UART/USART.

Is the C8051F042-GQR RoHS compliant?

It is listed as RoHS3 compliant, but this is unverified data.

Is the C8051F042-GQR recommended for new designs?

No, the product status indicates it is not recommended for new designs.

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