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MB9AF112LMA Datasheet(PDF) 73 Page - SPANSION |
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MB9AF112LMA Datasheet(HTML) 73 Page - SPANSION |
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73 / 121 page ![]() D a t a S h e e t 70 MB9A110A-DS706-00011-3v0-E, December 16, 2014 CONFIDENTIAL 4. AC Characteristics (1) Main Clock Input Characteristics (Vcc = 2.7V to 5.5V, Vss = 0V, Ta = - 40°C to + 105°C) Parameter Symbol Pin name Conditions Value Unit Remarks Min Max Input frequency FCH X0 X1 Vcc ≥ 4.5V 4 48 MHz When crystal oscillator is connected Vcc < 4.5V 4 20 Vcc ≥ 4.5V 4 48 MHz When using external clock Vcc < 4.5V 4 20 Input clock cycle tCYLH Vcc ≥ 4.5V 20.83 250 ns When using external clock Vcc < 4.5V 50 250 Input clock pulse width - PWH/tCYLH PWL/tCYLH 45 55 % When using external clock Input clock rising time and falling time tCF tCR - - 5 ns When using external clock Internal operating clock* 1 frequency FCM - - - 40 MHz Master clock FCC - - - 40 MHz Base clock (HCLK/FCLK) FCP0 - - - 40 MHz APB0 bus clock* 2 FCP1 - - - 40 MHz APB1 bus clock* 2 FCP2 - - - 40 MHz APB2 bus clock* 2 Internal operating clock* 1 cycle time tCYCC - - 25 - ns Base clock (HCLK/FCLK) tCYCP0 - - 25 - ns APB0 bus clock* 2 tCYCP1 - - 25 - ns APB1 bus clock* 2 tCYCP2 - - 25 - ns APB2 bus clock* 2 *1 : For more information about each internal operating clock, see "CHAPTER 2-1: Clock" in "FM3 Family PERIPHERAL MANUAL". *2 : For about each APB bus which each peripheral is connected to, see "BLOCK DIAGRAM" in this data sheet. X0 |
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