8051 Architecture Overview
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The 8051 family is one of the most common microcontroller architectures used worldwide. 8051 based microcontrollers are offered in hundreds of variants from many different silicon manufacturers. The 8051 is based on an 8-bit CISC core with Harvard architecture. More about the 8051 architecture.

Hitex supports the 8051 architecture with a complete tool chain providing all you need for the professional development of 8051 based products. The modular and flexible in-circuit emulator MX51, which is available in different variations, and the high-end system AX51 cover hundreds of 8051 derivatives up to a maximum operating frequency of 42 MHz.
The modular DProbeHS emulation concept is dedicated to support specific high-speed 8051 derivatives up to 70 MHz effective operating frequency and 8051 derivatives with extended address space. Besides the numerous derivatives the DProbeHS also supports the emulation of self made 8051 derivatives based on embedded processor cores (SoC51).
Outstanding for both classes of in-circuit emulators is the Rias feature which provides additional debugging capabilities.

80C51MX Memory eXtension from NXP (Philips) supported with a special DProbeHS variant.

Hitex supports almost all existing 8051 derivatives from all silicon manufacturers. You can check our Tool Selector for the 8051 Architecture to find the proper tool for your 8051 derivative. If you are not able to find a solution that matches your needs, please contact your local sales representative for more information.



In-Circuit Emulator MX51, AX51      the modular and flexible in-circuit emulator system for hundreds of 8051 derivatives
DProbeHS Emulator Concept      the modular in-circuit emulator system for high-speed 8051 derivatives from Atmel (former Atmel Wireless & Microcontrollers)

Compilers Keil Compiler      C compiler package
Tasking Compiler      C compiler package
IAR Compiler      C compiler package
National Semiconductor      C compiler package

General Software Tools Tessy      The Invaluable Test Tool
DAC      Development Assistant for C
EasyCODE      A Nassi-Shneiderman Editor
MKS Source Integrity      Software Configuration Management Software
X32      A Nassi-Shneiderman Editor
Rhapsody in MicroC      State-based Design Tool
CodeWright      The Programmer's Editing System

Supported RTOS Hitex RTOS Debug Support for 8051