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ISD51 User's Guide

Introduction

ISD51 (In-System Debugger) is a new debug monitor technology for 8051 user programs. ISD51 consists of a configurable library that you link with your application program to provide debug support via the 8051 on-chip UART.

The software and hardware requirements of ISD51 are minimal. It can run from external or on-chip CODE space and requires no special hardware components like von Neumann-wired memory.

ISD51 works on both very small 8051 devices like the Philips LPC series and on complete systems that have access to the full CODE and XDATA address space.

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