rej06b0017_0200_h8300htinyan| Application Note
APPLICATION NOTE
H8/300H Tiny Series
Using External Interrupt to Start Incrementing Counter
Introduction
An IRQ0 interrupt is generated when the switch connected to the IRQ0 pin is turned on, and incrementing of the 16-bit counter set in the 16-bit general register, counter_sub, starts.
Target Device
H8/3664
Contents
1. 2. 3. 4. 5. 6. Specifications .................................................................................................................................... 2 Description of Functions Used .......................................................................................................... 2 Description of Operations ................................................................................................................. 4 Description of Software..................................................................................................................... 5 Flowcharts......................................................................................................................................... 7 Program Listing ................................................................................................................................. 9
REJ06B0017-0200/Rev.2.00
September 2006
Page 1 of 15
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