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HT82V42 数据表(PDF) 7 Page - Holtek Semiconductor Inc |
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HT82V42 数据表(HTML) 7 Page - Holtek Semiconductor Inc |
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7 / 24 page ![]() Serial Interface AVDD=DVDD1=DVDD2=3.3V, AGND=DGND=0V, Ta=25 °C, DCLK=30MHz unless otherwise stated. Symbol Parameter Min. Typ. Max. Unit tSPER SCK period 37.6 ¾¾ ns tSCKH SCK high 18.8 ¾¾ ns tSCKLz SCK low 18.8 ¾¾ ns tSSU SDI setup time 6 ¾¾ ns tSH SDI hold time 6 ¾¾ ns tSCE SCK to SEN setup time 12 ¾¾ ns tSEC SEN to SCK setup time 12 ¾¾ ns tSEW SEN pulse width 25 ¾¾ ns tSERD SEN low to SDO = Register data ¾¾ 30 ns tSCRD SCK low to SDO = Register data ¾¾ 30 ns tSCRDZ SCK low to SDO = ADC data ¾¾ 30 ns Note: Parameters are measured at 50% of the rising/falling edge. HT82V42 Rev. 1.20 7 December 8, 2010 Serial Interface Timing |
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