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Keil c51 Free Download

Keil c51 Free Download

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Download the latest version of Keil c51 with just one click, without registration. It comes with a safe official offline installer for Keil c51.

Keil c51 Free Download

Overview and Screenshots

Keil c51 is a set of development tools for the 8051 Microcontroller Architecture. The toolsare designed to support the work of software developers of any level: from professional applications engineers to tudents just learning about embedded software development.

Industry-standard Keil C Compilers, Macro Assemblers, Debuggers, Real-time Kernels, Single-board Computers, and Emulators support all 8051 derivatives.

When starting a new project, you need to select the microcontroller you use. For that, a device database is included. Then, µVision IDE sets all compiler, assembler, linker, and memory options according to the device chosen. There are example programs included to help a user get started with the most popular embedded 8051 devices.

Keil µVision Debugger accurately simulates on-chip peripherals of any 8051 device. Simulation helps the user understand hardware configurations and save time spent on setting up the parameters. Also, a simulation option is available for writing programs compatible with hardware that is not yet available.

When you are ready to begin testing your software application with target hardware, use the MON51, MON390, MONADI, or FlashMON51 Target Monitors, the ISD51 In-System Debugger, or the ULINK USB-JTAG Adapter to download and test program code on your target system.

Key Features

  • Industry-standard tools
  • Automatic hardware parameter setup
  • Wide simulation options


  • Software full name: Keil c51
  • License type: Free
  • File size: 76.9 MB
  • Setup filename: c51v954.exe
  • Type: Full standalone setup / Offline installer
  • Limits: This software is completely free
  • Version: 5.1

Supported Operating Systems

  • Windows Vista
  • Windows 7
  • Windows 8
  • Windows 8.1

Keil c51 Free Download

All downloads were checked for viruses and are completely safe.

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