C8051F125
8-bit microcontroller with 8051 CPU and FLASH memory, operating at 50MHzC8051F125
8-bit microcontroller with 8051 CPU and FLASH memory, operating at 50MHz
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Manufacturer Part # : C8051F125
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Package/Case: TQFP-64
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Brand: Silicon Labs
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Product Categories : Microcontrollers
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Series : C8051F125
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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C8051F125 DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Interested Parts
C8051F125 Description
The C8051F125 is an 8-bit microcontroller from Silicon Labs, designed for high-performance processing and advanced features in various applications. This device is ideal for industrial control systems, consumer electronics, automotive applications, home automation, medical devices, smart meters, Internet of Things (IoT) devices, sensor networks, audio processing, and communication systems.
Pin Details
The C8051F125 is a high-performance microcontroller with 128KB flash memory, 16KB RAM, and 64-pin TQFP package. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.
Features
- High performance microcontroller: Offers high-speed processing capabilities.
- Advanced ADC and DAC: Provides accurate analog-to-digital conversion and digital-to-analog conversion.
- Multiple timers for flexibility: Allows for flexible timing and control applications.
- High-speed processing: Enables fast data processing and transmission.
- Ample memory for storage: Offers sufficient flash memory and RAM for storing and processing large amounts of data.
- Various communication interfaces: Supports multiple communication protocols, including UART, SPI, I2C, and USB.
Applications
The C8051F125 is commonly used in various applications that require high-performance processing, advanced features, and reliable data transmission, such as industrial control systems, consumer electronics, automotive applications, home automation, medical devices, smart meters, Internet of Things (IoT) devices, sensor networks, audio processing, and communication systems.
Where to Use:
- Industrial control systems
- Consumer electronics
- Automotive applications
- Home automation
- Medical devices
- Smart meters
- Internet of Things (IoT) devices
- Sensor networks
- Audio processing
- Communication systems
Manufacturer
The C8051F125 is manufactured by Silicon Labs, a global leader in semiconductor technology.
Packages
The C8051F125 comes in a 64-pin TQFP package, designed for surface-mount technology and offering a compact and efficient solution for integrating the microcontroller into electronic circuits.
Equivalent Parts of C8051F125
- C8051F120: A comparable 8-bit microcontroller from Silicon Labs with similar features and performance.
- C8051F130: An alternative 8-bit microcontroller from Silicon Labs that offers equivalent functionality.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Active |
Part Package Code | QFP | Pin Count ! | 64 |
ECCN Code | 3A991.A.2 | HTS Code ! | 8542.31.00.01 |
Has ADC | YES | Address Bus Width ! | 16 |
Bit Size | 8 | CPU Family | 8051 |
Clock Frequency-Max | 50 MHz | DAC Channels | YES |
DMA Channels | NO | External Data Bus Width | 8 |
JESD-30 Code | S-PQFP-G64 | JESD-609 Code | e0 |
Length | 10 mm | Moisture Sensitivity Level | 3 |
Number of I/O Lines | 32 | Number of Terminals | 64 |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
PWM Channels | YES | Package Body Material | PLASTIC/EPOXY |
Package Code | TFQFP | Package Equivalence Code | TQFP64,.47SQ |
Package Shape | SQUARE | Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
Power Supplies ! | 3/3.3 V | Qualification Status ! | Not Qualified |
RAM (bytes) | 8448 | ROM (words) | 131072 |
ROM Programmability | FLASH | Seated Height-Max | 1.2 mm |
Speed | 50 MHz | Supply Voltage-Max | 3.6 V |
Supply Voltage-Min | 2.7 V | Supply Voltage-Nom | 3 V |
Surface Mount ! | YES | Technology | CMOS |
Temperature Grade ! | INDUSTRIAL | Terminal Finish | TIN LEAD |
Terminal Form ! | GULL WING | Terminal Pitch ! | 0.5 mm |
Terminal Position | QUAD | Width | 10 mm |
uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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Price details
Prices listed do not include VAT.
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