MC80F0804D View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

MC80F0804D

8-BIT SINGLE-CHIP MICROCONTROLLERS

Unspecified 

MC80F0704/0708/0804/0808

STOP

INSTRUCTION

STOP Mode

Interrupt Request

Corresponding Interrupt

Enable Bit (IENH, IENL)

IENH or IENL ?

=0

=1

STOP Mode Release

Master Interrupt

Enable Bit PSW[2]

I-FLAG

=0

=1

Interrupt Service Routine

Next

INSTRUCTION

Figure 18-4 STOP Releasing Flow by Interrupts

.

Oscillator

(XIN pin)

Internal Clock

External Interrupt

BIT Counter n n+1 n+2

Normal Operation

STOP Instruction

Executed

n+3

Stop Operation

01

FE FF

Clear

Stabilization Time

tST > 20ms

by software

012

Normal Operation

Before executing Stop instruction, Basic Interval Timer must be set

properly by software to get stabilization time which is longer than 20ms.

Figure 18-5 STOP Mode Release Timing by External Interrupt

90

October 31, 2011 Ver 1.03

Share Link: