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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MB91F587LD датащи(PDF) 127 Page - SPANSION |
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MB91F587LD датащи(HTML) 127 Page - SPANSION |
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127 / 177 page  D at aS h ee t 124 MB91F587LA_DS705-00012-2v0-E, August 22, 2014 CONFIDENTIAL 4. AC characteristics (1) Main Clock Timing (TA: Recommended operating conditions, VCC =5.0V±10%, VSS=AVSS=0.0V) Parameter Symbol Pin name Conditions Value Unit Remarks Min Typ Max Source oscillation clock frequency FC X0, X1 - 4 - 20 MHz Source oscillation clock cycle time tCYL X0, X1 - 50 - 250 ns Internal operating clock frequency* FCP - - - - 128 MHz CPU clock FCPP - - - - 40 MHz Peripheral bus clock FCPT - - - - 40 MHz External bus clocks Internal operating clock cycle time* tCP - - 7.82 - - ns CPU clock tCPP - - 25 - - ns Peripheral bus clock tCPT - - 25 - - ns External bus clocks CAN PLL jitter (during lock) tPJ - - -10 - +10 ns Built-in CR oscillation frequency FCCR - - 50 100 150 kHz *: The maximum/minimum value is defined when using the main clock and PLL clock. • X0,X1 clock timing X0 t CYL • CAN PLL jitter t1 t2 t3 t1 t2 t3 tn-1 tn tn-1 tn Deviation time from the ideal clock is assured per cycle out of 20, 000 cycles. Ideal clock PLL output Slow Fast |
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