In this tutorial we see how to setup Keil4 for generating .hex file.
Keil software can be downloaded from this link.
Download and install the Keil C51 for 8051.

Keil Setup Steps

Step1: Open the Keil software and select the New Microvision project from Project Menu as shown below.
8051 Keil 01.png

Step2: Browse to your project folder and provide the project name and save it.
8051 Keil 02.png

Step3: Once the project is saved a new pop up “Select Device for Target” opens, Select the required 8051 series controller and click on OK.

  1. Atmel->AT89s52
  2. NXP->P89V51RD2
  3. Nuvoton-> W78E052D

Since all the controller follow the same 8051 architecture, any of the above mentioned controller can be selected. 8051 Keil 03.png

Step4:Select Atmel->At89s52 and click OK.
8051 Keil 04.png

Step5:8051 doesn't need the startup code, click on NO option to proceed.
8051 Keil 05.png

Step6: Create a new file to write the program.
8051 Keil 06.png

Step7: Type the code or Copy paste the below code snippet and save the file as main.c
8051 Keil 07.png

Step8:Save the file as main.c
8051 Keil 08.png

Step9:Add the file to the project using the option Add files to Source Group.
8051 Keil 09.png

Step10: Add the recently saved file to the project.
8051 Keil 10.png

Step11:Now the main.c file should appear in Project Source Group.
8051 Keil 11.png

Step12:Build the project and fix the compiler errors/warnings if any. 8051 Keil 12.png

Step13:Code gets compiled with no errors and .hex file is still not generated.
8051 Keil 13.png

Enable Hex File Generation

Step14:Click on Target Options to select the option for generating .hex file.
8051 Keil 14.png

Step15: Rebuild the target to generate the .hex file.
8051 Keil 15.png

Step16: Check teh project folder for generated .hex file. 8051 Keil 16.png

Uploading the Hex file

After generating the .hex file check the below tutorials for uploading it.

  1. Uploading Hex File Using nuvoTon ISP.
  2. Uploading Hex File To At89s52 using ISP Using Programmer.

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