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AS3701 Scheda tecnica(PDF) 37 Page - ams-OSRAM AG |
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AS3701 Scheda tecnica(HTML) 37 Page - ams-OSRAM AG |
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37 / 110 page  Page 36 ams Datasheet Document Feedback [v1-11] 2016-Dec-14 AS3701 − Detailed Description – System Functions Figure 42: Start-Up Sequence Diagram 1/5 Start-Up Sequence: This diagram shows the timing of a startup from scratch (battery or charger insertion) Figure 43: Start-Up Sequence Diagram 2/5 Start-Up Sequence: This diagram shows the timing of a startup from power-off mode via ON key press (battery connected, VSUP > ResVoltRise) Reg1_addr (b0:3 fuse aah) VSUP Reset Voltage Rise level 5ms debounce VSUP > ResVoltRise Reg2_addr (b4:7 fuse aah) 0ms delay (if Reg2_delay =0) 1ms delay (if Reg2_delay = 1 and del_time =0) 4ms delay (if Reg2_delay = 1 and del_time =1) Reg4_addr (b4:7 fuse adh) 0ms delay (if Reg1_delay =0) 1ms delay (if Reg1_delay = 1 and del_time =0) 4ms delay (if Reg1_delay = 1 and del_time =1) 10..150ms set by res_timer in O TP XRES 0ms delay (if Reg4_delay =0) 1ms delay (if Reg4_delay = 1 and del_time =0) 4ms delay (if Reg4_delay = 1 and del_time =1) Reg3_addr (b0:3 fuse adh) 0ms delay (if Reg3_delay =0) 1ms delay (if Reg3_delay = 1 and del_time =0) 4ms delay (if Reg3_delay = 1 and del_time =1) PWRGood 1ms delay between last timeslot (regulator) and PWRGood signal going high reg1_V (b0:7 fuse abh) reg2_V (b0:7 fuse ach) reg3_V (b0:7 fuse aeh) reg4_V (b0:7 fuse afh) PO R level reached 2ms oscillator stable Reg1_addr (b0:3 fuse aah) VBAT = VSUP > ResVoltRise 5ms debounce VSUP > ResVoltRise 0ms delay (if Reg4_delay =0) 1ms delay (if Reg4_delay = 1 and del_time =0) 4ms delay (if Reg4_delay = 1 and del_time =1) Reg4_addr (b4:7 fuse adh) 0ms delay (if Reg1_delay =0) 1ms delay (if Reg1_delay = 1 and del_time =0) 4ms delay (if Reg1_delay = 1 and del_time =1) 10..150ms set by res_timer in O TP XRES PWRGood 1ms delay between last timeslot (regulator) and PWRGood signal going high reg1_V (b0:7 fuse abh) reg4_V (b0:7 fuse afh) 2ms oscillator stable ON 20ms ON debounce |
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