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DA9062 датащи(PDF) 11 Page - Dialog Semiconductor |
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DA9062 датащи(HTML) 11 Page - Dialog Semiconductor |
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11 / 93 page ![]() DA9062 Entry level PMIC for applications requiring up to 8.5 A Datasheet Revision 3.2 18-Feb-2015 11 of 93 © 2016 Dialog Semiconductor 4.2 Watchdog Unless otherwise noted, the following is valid for TA = -40 to +85 ºC, VSYS = 2.8 to 5.5 V. Table 6: Watchdog electrical characteristics Parameter Symbol Test conditions Min Typ Max Unit Minimum watchdog time tWDMIN External 32 kHz oscillator 110 ms Internal 25 kHz oscillator 200 ms Maximum watchdog time tWDMAX External 32 kHz oscillator 2 s Internal 25 kHz oscillator 2.5 s Minimum assert time of WDKICK tWDKICKMIN 150 µs 4.3 2-wire interface Figure 3: 2-wire interface timing Unless otherwise noted, the following is valid for TA = -40 to +85 ºC, VSYS = 2.8 to 5.5 V. STOP SDA SCL tF tR tF START tH_STA tH_D 1/fSCL VIH VIL VIH VIL tSU_D tLOW tHIGH tVD_D ACK tVD_ACK tSU_STO |
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