rej06b0546_h838076r| Application Note
APPLICATION NOTE
H8/38076R
Transition to the Subactive Mode
Introduction
In this example the power-down mode function of the H8/38076R is used to transition from the active (high-speed) mode to the subactive mode. After a reset is cleared, the SLEEP instruction is executed to directly enter the subactive mode from the active (high-speed) mode and one-second interrupts are generated from the RTC (realtime clock). The SLEEP instruction is then executed a second time to perform a direct transition to the active (high-speed) mode. P92 is connected to an LED, which illuminates when the device is in the subactive mode.
Target Device
H8/38076R
Contents
1. 2. 3. 4. 5. Specifications .................................................................................................................................... 2 Description of Functions ................................................................................................................... 3 Principles of Operation.................................................................................................................... 10 Description of Software................................................................................................................... 11 Flowcharts....................................................................................................................................... 21
REJ06B0546-0100/Rev.1.00
March 2005
Page 1 of 25
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