SYNCHRONIZATION CIRCUIT FOR ELECTRONIC DEVICE AND METHOD FOR GENERATING AND SUPPLYING SYNCHRONIZATION SIGNAL
申请公布号:JPH10135940(A)
申请号:JP19970197499
申请日期:1997.07.23
申请公布日期:1998.05.22
发明人:MAGAZZU ANTONIO;FERRARIO BRUNO
分类号:G06F1/12;G06F1/10;H03L7/00;H04L7/00;H04L7/033;(IPC1-7):H04L7/00
主分类号:G06F1/12
摘要:<p>PROBLEM TO BE SOLVED: To evade reflection between signals and to eliminate changes in synchronization pulses by comparing an external synchronization signal and an internal synchronization signal and supplying one of the synchronization signals depending on whether a synchronization circuit is a master mode or a slave mode. SOLUTION: When the synchronization signal SINC is connected to the input/output terminal of this synchronization circuit 1, an oscillator 2 outputs sawtooth-shaped wave signals 3. Then, a clip circuit 4 clips the sawtooth-shaped wave signals 3, generates the internal synchronization signal 5 and supplies it to a comparator 6. The comparator 6 inputs the external synchronization signal SINC, compares it with the internal synchronization signal 5 and recognizes whether or not the external synchronization signal SINC arrives. In the case that it does not arrive, control is performed so as to close a normally opened switch 7. As a result, the internal synchronization signal generated in the clip circuit 4 is connected to a circuit node U and outputted to a circuit constitution part 8. Also, in the case that the external synchronization signal SINC arrives, it is directly outputted to the circuit constitution part 8.</p>
MAQUINA PARA LA FORMACION DE PIEZAS DE HOJALDRE
IMPIANTO DI FITODEPURAZIONE E RELATIVO KIT DI MONTAGGIO
FILTRO A CAVITA' RISONANTE A FREQUENZA DI RISONANZA VARIABILE
A PROCESS OF PRODUCING BOTTLED TILAPIA (OREOCHROMIS NILOTICUS) IN COCONUT (COCOS NUCIFERA) SAUCE
COMPOSITION OF MALUNGGAY (MORINGA OLEIFERA LAM.) HERBAL DRINK
IGNITION SYSTEM TRAINER / APPARATUS
DIFFERENTIATED PLURIPOTENT STEM CELL PROGENY DEPLETED OF EXTRANEOUS PHENOTYPES
METHOD AND DEVICE FOR CONVEYING LABELS
INSULATION-COATED ELECTROCONDUCTIVE PARTICLES
MUCINOUS GLYCOPROTEIN (MUC-1) VACCINE (MUC-1)
ISOXAZOLE DERIVATIVES AND THEIR USE AS METABOTROPIC GLUTAMATE RECEPTOR POTENTIATORS