rej06b0261| Application Note
APPLICATION NOTE
H8/300L SLP Series
Transition to Subactive Mode
Introduction
This sample task shows an example of making transition to the subactive mode. The system enters the watch mode by executing a SLEEP instruction in the high-speed active mode. In the watch mode, an interrupt is generated on the IRQ0 pin, which causes the system to enter the subactive mode. The system then goes back to the high-speed active by executing a SLEEP instruction.
Target Device
H8/38024
Contents
1. 2. 3. 4. 5. 6. Specifications .................................................................................................................................... 2 Description of Functions ................................................................................................................... 2 Principle of Operation ....................................................................................................................... 4 Description of Software..................................................................................................................... 5 Flowchart........................................................................................................................................... 8 Program Listing............................................................................................................................... 11
REJ06B0261-0100Z/Rev.1.00
December 2003
Page 1 of 17
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