MC68HC908LB8_05 データシートの表示（PDF） - Freescale Semiconductor

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MC68HC908LB8_05

On-Chip FLASH Programming Routines

Freescale Semiconductor 

Freescale Semiconductor

Application Note

AN2635

Rev. 4, 10/2005

On-Chip FLASH Programming

Routines

For MC68HC908LB8, MC68HC908QL4, MC68HC908QB8,

MC68HC908QB4, MC68HC908QY8, and MC68HC908QY4A Series1

By: Kazue Kikuchi

MCU Applications Engineering

Austin, Texas

Introduction

This application note applies to the MC68HC908LB8, MC68HC908QL4, MC68HC908QB4/QB8/QY8,

and MC68HC908QY4A Series1 FLASH-based microcontroller units (MCUs). To program, erase, and

verify FLASH, these MCUs have on-chip FLASH support routines residing in ROM (read-only memory).

These routines may be accessed in either user mode or monitor mode and eliminate the need to develop

separate FLASH routines for applications.

This application note describes how to call each of the routines in user software, what is performed, and

what is returned as confirmation of routine execution. The software files are available as a zip file,

AN2635SW, from the Freescale Semiconductor website: www.freescale.com

NOTE

With the exception of mask set errata documents, if any other

Freescale Semiconductor document contains information that conflicts with

the information in the device data sheet, the data sheet should be

considered to have the most current and correct data.

1. MC68HC908QY4A Series includes MC68HC908QY4A, MC68HC908QY2A, MC68HC908QY1A, MC68HC908QT4A,

MC68HC908QT2A, MC68HC908QT1A

© Freescale Semiconductor, Inc., 2005. All rights reserved.

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