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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MB91F528 датащи(PDF) 183 Page - SPANSION |
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MB91F528 датащи(HTML) 183 Page - SPANSION |
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183 / 241 page  D a t a S h e et 180 MB91F528_DS705-00016-1v0-E, March 28, 2014 CONFIDENTIAL Guaranteed operation range Internal operation clock frequency vs. Power supply voltage Internal operation clock frequency FCP (MHz) 80(MB91F52xR/MB91F52xU(LQFP)) 4 2 2.7 5.5 MB91F52x guaranteed operation range PLL guaranteed operation range 4.5 MB91F52xrecommended guaranteed operation range 128(MB91F52xR/MB91F52xU(TEQFP), MB91F52xM/MB91F52xY) 3.6 3.0 Note: The power supply voltage, which is the low-voltage detection setting voltage or lower, is in the reset state. Oscillation clock frequency vs. Internal operation clock frequency Internal operation clock frequency Main Clock PLL clock Multipli ed by 1 Multipli ed by 2 Multipli ed by 3 Multipli ed by 4 ... Multipli ed by 31 Multipli ed by 32 Oscillation clock frequency 4MHz 2MHz 4MHz 8MHz 12MHz 16MHz ... 124MHz 128MHz Example of oscillation circuit X1 X0 R=0Ω C2=10pF C1=10pF 4MHz Note: As to the product with its clock supervisor ’s initial value is “ON”, when the oscillator is unable to start within 20ms from the stop state the clock supervisor will detect the oscillation stop. As a result, the CPU moves to the fail safe operation. Design your print circuit board so that the oscillator can start oscillation within 20ms. Moreover, it is recommended to be designed after the match evaluation of the circuit is requested to the departure pendulum maker when the oscillation circuit is composed. |
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