rej06b0115_h8300hap| Application Note

rej06b0115_h8300hap PDF

rej06b0115_h8300hap| Application Note


APPLICATION NOTE

H8/300H Tiny Series
EEPROM Back-Up Processing upon Detecting Low Voltage
Introduction
An internal low-voltage detection circuit is used to back up data stored in RAM into EEPROM.

Target Device
H8/3687G

Contents
1. 2. 3. 4. 5. 6. Specifications .................................................................................................................................... 2 Description of Functions ................................................................................................................... 3 Description of Operation ................................................................................................................... 5 Description of Software..................................................................................................................... 8 Flowcharts....................................................................................................................................... 15 Program Listing............................................................................................................................... 22

REJ06B0115-0200Z/Rev.2.00

May 2004

Page 1 of 31


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