Ibm uPD78082 Manual do Utilizador Página 222

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CHAPTER 13 STANDBY FUNCTION
STOP
Instruction
Wait
(Time set by OSTS)
Oscillation Stabilization
Wait Status
Operating
Mode
Oscillation
Operationg
Mode STOP Mode
Oscillation StopOscillation
Standby
Release Signal
Clock
(2) STOP mode release
The STOP mode can be cleared with the following two types of sources.
(a) Release by unmasked interrupt request
An unmasked interrupt request is used to release the STOP mode. If interrupt acknowledge is enabled
after the lapse of oscillation stabilization time, vectored interrupt service is carried out. If interrupt
acknowledge is disabled, the next address instruction is executed.
Figure 13-4. STOP Mode Release by Interrupt Generation
Remark The broken line indicates the case when the interrupt request which has cleared the standby
status is acknowledged.
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