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AN2104

Freescale Semiconductor
Part Number AN2104
Manufacturer Freescale Semiconductor
Description Using Background Debug Mode
Published Nov 13, 2006
Detailed Description www.DataSheet4U.com Freescale Semiconductor Order this document by AN2104/D AN2104 Using Background Debug Mode for th...
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AN2104
AN2104

Overview
www.
DataSheet4U.
com Freescale Semiconductor Order this document by AN2104/D AN2104 Using Background Debug Mode for the M68HC12 Family Freescale Semiconductor, Inc.
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By Timothy J.
Airaudi Applications Engineering, Microcontroller Division Austin, Texas Introduction This application note describes the basic operation of the background debug mode (BDM) and some of its applications, as it relates to Motorola’s M68HC12 Family of microcontrollers (MCU).
Examples of incircuit programming of internal FLASH memory and in-circuit debugging, using P&E Microcomputer Systems’ BDM interface cable and its software, are also contained in this document.
The BDM’s main purpose is to allow debugging of the actual microcontroller being used in the user’s target application.
This takes the place of hardware such as an in-circuit emulator, which uses external components to attempt to duplicate operation of the MCU from outside of the target application.
Instead of having this external hardware, and a...


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