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AX58200BI Folha de dados(PDF) 128 Page - ASIX Electronics Corporation |
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AX58200BI Folha de dados(HTML) 128 Page - ASIX Electronics Corporation |
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128 / 180 page ![]() 128 Copyright © 2019 ASIX Electronics Corporation. All rights reserved. AX58200 EtherCAT Slave Controller SoC 3.4.3 External 32.768 KHz Low Speed Crystal (LXT) characteristics LXT Crystal AC Characteristics Symbol Parameter Conditions Min Typ Max Units VDD Operation Voltage 1.8 3.6 V fLXT Oscillator frequency VDD = 1.8 ~ 3.6 V 32.768 KHz TLXT Temperature -40 105 C ILXT Operating current VDD = 3.3V 0.5 A Duty cycle 45 55 % TS Stable Time 500 ms LXT Crystal Typical Crystal Application Circuits CRYSTAL C1 C2 R1 32.768 KHz 20pF 20pF without XT_IN XT_OUT C1 R1 C2 3.4.4 External 32.768 KHz Low Speed Clock Input (OSC) Characteristics Symbol Parameter Conditions Min Typ Max Units tCHCX Clock High Time 450 - - nS tCLCX Clock Low Time 450 - - nS tCLCH Clock Rise Time - - 50 nS tCHCL Clock Fall Time - - 50 nS Xin_VIH LXT Input Pin Input High Voltage 0.7*V DD V Xin_VIL LXT Input Pin Input Low Voltage 0.3*V DD V tCHCX 90% 10% tCLCH tCHCL tCLCX tCLCL Xin_VIL Xin_VIH Note: Duty cycle is 50%. |
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