单片机英文资料+英文文献

单片机英文资料+英文文献

Dormancy of the one-chip computer---restore to the throne in the operation way and improve anti- interference ability

Introduce a kind of dormancy of using- restore to the throne

in theoperation way and improve the anti-interference ability method

of

the one-chip computer;Analyse its scope of application, provide and

use

the circuit concretly; Combine the instance, analyse the

characteristic

of the hardware and software design under these kind of operation way.

Keyword: One-chip computer Restore to the throne /dormancy anti-interference Foreword

With the development at full speed of the microelectric technique,

the performance of the one-chip computer improves rapidly, demonstrate the outstanding advantage in the operation, logic control,

intelligent

respect, replaced and enlarged the measuring that the circuit made

up,

control circuit by digital logical circuit, operation originally to

a

great extent, use very extensivly. But because it have system halted,

procedure run critical defect of flying etc, make it limit in a lot of

important application of occasion. A lot of technology in

anti-interference , for example set up the software trap, add thehardware

to guard the gate in dog's circuit etc, can make this problem havebetter

settlement, but still the existing problem: ? Guard the gate dog at the

movement, mean and appear mistake already and run some time, this is not

allowed in some occasions; ?Procedure appear circulation mistake very

much sometimes, but just guard the gate dog control link include and enter,

adopt and guard the gate as to such a mistake dog unable to discern; ?

In measure and control cycle among the long system, one-chip computer

spend wait for the peripheral hardware a large amount of time, will be

interfered too when carry out and wait for the order. To these situations,

we have tried the method restored to the throne voluntarily in practice,

alternate pulse of adopting etc or restore to the throne waking according

to external terms to the one-chip computer up. After being restored to

the throne each time, the one-chip computer carries out the corresponding

procedure, enters dormancy in time after finishing carrying out the task,

wait to be restored to the throne nextly. Have solved above-mentioned

problems well with this method , and has got better result in the agricultural voltage transformer comprehensive protector experiment. Now

take 51 serial one-chip computers as an example and probe into the concrete

principle and implementation method, restored to the throne the signal

as the high level.

1.A principle and implementation method

1.1 Restored to the throne the law regularly unconditionally

Use timer, special-purpose clock chip or other pulse generator, produce signal of restoring to the throne regularly according to