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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AXP288D датащи(PDF) 23 Page - Shenzhen X-Powers Technology Co ., Ltd |
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AXP288D датащи(HTML) 23 Page - Shenzhen X-Powers Technology Co ., Ltd |
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23 / 110 page  AXP288 PMIC Optimized For Multi-Core High-Performance System AXP288 Datasheet V1.06 Copyright © 2014 X-Powers Limited. All Rights Reserved. 23 Off State Charger Insertion Battery level > boot threshold? Standby State (S0iX) Charging PMIC Boots to standby state yes SoC de-asserts SLP_S0IX_B Pin Active State (S0) PMIC completes boot process asserts PWRGOOD signals SoC Boots OS Figure 9-1 Power on from battery insertion The PMIC should be able to start the boot sequence from a battery insertion. A battery insertion is detected from a rising voltage on the battery node. If the battery level is above the battery boot threshold, the PMIC will continue the boot process. Off State Battery insertion Battery level > boot threshold? Standby State (S0iX) Shutdown PMIC Boots to standby state yes SoC de-asserts SLP_S0IX_B Pin Active State (S0) PMIC completes boot process asserts PWRGOOD signals SoC Boots OS Figure 9-2 Power on from power key pressed POK----Power On Key The Power On Key(POK) can be connected between PWRON pin and GND of AXP288. AXP288 can automatically identify the status and then correspond respectively. The PMIC should be able to start the boot sequence from a power on key pressed. The PMIC has a configurable timer to detect the power on key hold time. Power on key signal in AXP288 is referred as POK. Once falling edge is detected on |
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