Rainbow-electronics AT77C104B Uživatelský manuál stáhnout pdf (Strana 35)

AT77C104B

5347B–BIOM–08/04

Appendix D

Example of an Interrupt

Generated by a

Movement Detection

Interrupts Masked

SSS/ = 0

Yes

NAVIGATION Reading

Requested

Sending of 0b11100000

Transfer

Ended ?

Yes

STATUS Reading Requested

Sending of 0b11000000

Reception of the Command

Interrupts Control

Detection of Movement

Sending of Dummy Data

0b00000000

Reception of the 3 Navigations

3 Registers

Values Sent ?

Yes

Sending of the 3

Navigation Registers

SSS/ = 1

Interrupts enabled

Sensor

Controller

Reception of the Command

Reading of NAVIGATION

Sending of STATUS

Interrupts Cleared

Transfer

Ended ?

Transfer

Ended ?

Main Program

Interrup ?

Sending of Dummy Data

0b00000000

Reception of STATUS

Interrupt Generated

IRQ/ = 0

1 2 ... 30 31 32 33 34 35 36

Features 1
Description 1
Applications 1
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