C8051F045-GQR C8051F045-GQR is an 8-bit 8051 microcontroller from Silicon Labs with 64KB Flash memory, 4.25KB RAM, and operates at up to 25MHz. It features CAN, SPI, UART, and I2C interfaces in a 64-TQFP package.
Mfr Part #:

C8051F045-GQR

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
C8051F045-GQR is an 8-bit 8051 microcontroller from Silicon Labs with 64KB Flash memory, 4.25KB RAM, and operates at up to 25MHz. It features CAN, SPI, UART, and I2C interfaces in a 64-TQFP package.
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C8051F045-GQR Available from 1 distributor

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C8051F045-GQR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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C8051F045-GQR Description

Short technical summary and product information.

The C8051F045-GQR is an 8-bit microcontroller from Silicon Laboratories based on the 8051 core. It is part of the C8051F04x family and features 64KB of in-system programmable Flash memory and 4.25KB of internal RAM. The device operates at clock speeds up to 25 MHz, delivering up to 25 MIPS throughput due to its pipelined architecture.

 

The microcontroller includes a rich set of digital peripherals: 32 general-purpose I/O pins, five 16-bit timers, a programmable counter array with 6 capture/compare modules, and support for CAN 2.0B, SMBus (I2C compatible), SPI, UART/USART, and an external memory interface. Analog peripherals include a 13-channel 10-bit ADC with 100 ksps throughput, a temperature sensor, and three analog comparators. It also features a brown-out detector, POR, and watchdog timer.

 

The device is supplied in a 64-pin TQFP package (10x10 mm) with surface mount mounting. It operates over a temperature range of -40°C to 85°C and requires a supply voltage of 2.7V to 3.6V. The internal oscillator can be used or an external clock source. The part is RoHS3 compliant (unverified) and has an MSL rating of 1. Note: The datasheet indicates this part is not recommended for new designs.

C8051F045-GQR Quick Information

Product Type: Microcontroller
Series: C8051F04x
Canonical Name: C8051F045-GQR - Silicon Labs C8051F04x Series 8051 MCU, 64KB Flash, 64-TQFP
Subcategory: 8-bit MCU

C8051F045-GQR Compliance

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

C8051F045-GQR Features

  • 8-bit 8051 core with 25 MHz max clock speed.
  • 64KB in-system programmable Flash memory.
  • CAN 2.0B, SPI, SMBus, and UART/USART interfaces.
  • 13-channel 10-bit ADC with 100 ksps throughput.
  • Operates from 2.7V to 3.6V and -40°C to 85°C.

C8051F045-GQR Applications

  • Industrial control and automation systems.
  • Automotive CAN bus communication nodes.
  • Embedded systems requiring mixed-signal processing.
  • Sensor interfacing with analog and digital inputs.

C8051F045-GQR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the C8051F045-GQR?

2.7V to 3.6V.

What package does the C8051F045-GQR come in?

64-TQFP (10x10 mm).

What is the operating temperature range?

-40°C to 85°C.

Is the C8051F045-GQR RoHS compliant?

RoHS3 Compliant (unverified; low confidence).

What is the maximum clock frequency?

25 MHz.

How much Flash memory does it have?

64 KB.

What communication interfaces are supported?

CANbus, EBI/EMI, SMBus (I2C compatible), SPI, UART/USART.

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