C8051F126 - Silicon Labs

Manufacturer Part Number

C8051F126

Manufacturer

Silicon Labs

Introduction

High-performance 8-bit microcontroller with on-chip mixed-signal peripherals

Product Features and Performance

8-Bit 8051-Compatible Microcontroller Core

50 MHz operating speed

Integrated analog-to-digital and digital-to-analog converters

Wide range of I/O options with 64 pins

Large flash memory capacity of 128KB

On-chip temperature sensor

Internal oscillator for clock generation

Extended operational temperature range from -40°C to 85°C

Product Advantages

Offering high integration reducing external components and system cost

Embedded non-volatile memory speeding up the development process

Robust operation in variable temperature environments

Key Technical Parameters

Core Processor: 8051

Core Size: 8-Bit

Speed: 50MHz

Connectivity: EBI/EMI, SMBus, SPI, UART/USART

Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT

Number of I/O: 64

Program Memory Size: 128KB (128K x 8)

Program Memory Type: FLASH

RAM Size: 8.25K x 8

Voltage Supply: 2.7V to 3.6V

Data Converters: A/D 8x8b, 8x10b; D/A 2x12b

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Integrated brown-out detect/reset for reliable operation

Power-on Reset (POR) and Watchdog Timer (WDT) for system integrity

Analog peripherals with calibration options for precise measurements

Compatibility

Support for a wide range of serial communication protocols

Multiple power-saving modes

General-purpose I/O compatible with various sensors and actuators

Application Areas

Industrial Control Systems

Automotive Electronics

Embedded Systems

Consumer Electronics

Product Lifecycle

Obsolete (potential for limited availability or end-of-life)

Suggest contacting Silicon Labs for replacement or upgrade options

Reasons to Choose This Product

Robust microcontroller ideal for harsh environmental conditions

High integration facilitating complex system design on a single chip

Extensive development support from Silicon Labs

Broad application base with versatile IO and communication features

Attractive for legacy systems requiring 8-Bit 8051 microcontroller compatibility