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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9965T 데이터시트(PDF) 12 Page - STMicroelectronics |
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L9965T 데이터시트(HTML) 12 Page - STMicroelectronics |
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12 / 62 page  5 Functional description 5.1 Device functional states The following figure shows all possible L9965T and L9965TS states. Figure 5. L9965T/TS functional state mode (FSM) Table 7. Device functional states State Purpose Reached from Condition Active resources OFF Device OFF Any state When VB voltage falls below the POR threshold None DEEPSLEEP Ultra-low power state for managing long inactivity periods NORMAL • GO2SLP command received AND no CYCLIC_WAKEUP timer enabled (GEN_CFG5.WAKEUP_CYCLIC_ENB=0) • OSC STUCK detected • V5V_OT detected Wake up Via VIF Wake up via SPI Target CYCLIC_ WAKEUP • OSC STUCK detected • V5V_OT detected OFF VB > POR threshold + hysteresis CYCLIC_COUNT Performs count in order to cyclically wake- up the system CYCLIC_ WAKEUP CYCLIC_WAKEUP routine finished without internal fault detected Wake up Via VIF Wake up via SPI Target Cyclic wakeup timer as configured during NORMAL mode NORMAL GO2SLP command validated AND CYCLIC_WAKEUP timer enabled (GEN_CFG5.WAKEUP_CYCLIC_ENB=1) L9965T/L9965TS Functional description DS14987 - Rev 1 page 12/62 |
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