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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DA9021 датащи(PDF) 82 Page - Dialog Semiconductor |
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DA9021 датащи(HTML) 82 Page - Dialog Semiconductor |
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82 / 142 page  DA9021/22 System PMIC with high efficiency USB power manager Datasheet Revision 2.5 17-Feb-2017 CFR0011-120-00 Rev 5 82 of 142 © 2017 Dialog Semiconductor NO POWER Mode RESET Mode POWER-DOWN Mode DOMAIN SYSTEM DOMAIN POWER OTP READ ( with 10ms debouncing) OTP READ ( with 10ms debouncing) Charger provides VDDOUT OTP READ Supplies and Sequencer timer EXT_WAKEUP = 1 SYS_UP = 1 Process sequencer IDs up to pointer SYSTEM_END Process sequencer IDs down to pointer PART_POWN or step 0 SYS_UP = 0: no supply is preset 1: SYSTEM supplies are preset PWR_UP = 1 Process sequencer IDs up to pointer POWER_END Wakeup event nONKEY SYS_EN, PWR_EN, PWR1_EN asserted E_GPI_x (incl. ADC threshold) Voltage comparator 1.2V Pen down detection ID_FLOAT (falling edge) VBUS attach/removal End of battery charging VDDOUT low warning RTC Alarm Access of 2-WIRE IF VDDOUT > VDDOUT_MIN VDDCORE > VPOR_UPPER VDDCORE < VPOR_LOWER nVDD_FAULT or TEMP_OVER or TWD_ERROR or nSD_SHUT or KEY_SHUT or WAIT_SHUT asserted SHUTDOWN= ’1' PWR_EN= ’1' nVDD_FAULT or TEMP_OVER or TWD_ERROR or nSD_SHUT or KEY_SHUT or WAIT_SHUT asserted SYS_EN= ’0' DEEP_SLEEP= ’1' SHUTDOWN= ’1' Process sequencer IDs down to pointer SYSTEM_END PWR_UP = 0: no supply is preset 1: POWER supplies are preset nVDD_FAULT or TEMP_OVER or TWD_ERROR or nSD_SHUT or KEY_SHUT or WAIT_SHUT asserted SYS_EN= ’0' PWR_EN= ’0' DEEP_SLEEP= ’1' SHUTDOWN= ’1' ACTIVE MODE Wait for ‚alive’ signal from host Process sequencer IDs up to pointer MAX_COUNT PWR1_EN= ’1' DOMAIN POWER1 Process sequencer IDs down to pointer POWER_END nVDD_FAULT or TEMP_OVER or TWD_ERROR or nSD_SHUT or KEY_SHUT or WAIT_SHUT asserted SYS_EN= ’0' PWR_EN= ’0' PWR1_EN= ’0' DEEP_SLEEP= ’1' SHUTDOWN= ’1' LDOCORE Band-gap 32K oscillator BCD counter VDDOUT, VBUS_PROT and VDDCORE comparators Reset SHUTDOWN Expire over-temperature VDDCORE comparators Reset FAULTLOG and BCD-counter LDOCORE Band-gap 32K oscillator BCD counter VDDOUT, VBUS_PROT and VDDCORE comparators Supplies with preset voltage Non-disabled features Internal oscillator (if GP-ADC or a buck is enabled not in sleep mode) LDOCORE Band-gap 32K oscillator BCD counter VDDOUT, VBUS_PROT and VDDCORE comparators Supplies Non-disabled features Internal oscillator (if GP-ADC or a buck is enabled not in sleep mode) LDOCORE Band-gap 32K oscillator BCD counter VDDOUT, VBUS_PROT and VDDCORE comparators Supplies Internal oscillator VDDOUT > VDD_FAULT_UPPPER POWERING DOWN POWERING UP VDDOUT > VDD_FAULT_UPPPER VDDOUT > VDDOUT_MIN 128ms Time out VBUS > VCH_THR VBUS_DET rising nVDD_FAULT or TEMP_OVER or TWD_ERROR or nSD_SHUT or KEY_SHUT or WAIT_SHUT asserted SYS_EN= ’0' PWR_EN= ’0' DEEP_SLEEP= ’1' SHUTDOWN= ’1' EXT_WAKEUP = 0 Figure 38: Power mode transitions |
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