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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZT датащи(PDF) 49 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 49 Page - Texas Instruments |
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49 / 104 page  NORMAL MODE SLEEP MODE NORMAL MODE RESUMEPIN TPS6586x MODE ENTER/EXIT SLEEP T RESUME(H) T RESUME(L) T RESUME(H) SET SLEEP EXIT SLEEP TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 Table 3-15. Sequencer Control, LDO5/LDO9 Enable SUPPLYENE [Addr 0x14] Defaults in BOLD Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name LDO9_ON LDO5_ON SYSINEN HOTDLY SLEEP MODE SETNORMAL EXITSLREQ SOFT RST SYS_IN LOW SET SLEEP SET SOFTWARE LDO9 ON/OFF LDO5 ON/OFF VOLTAGE HOT RESET TPS658620 IN REQUEST Function TPS658620 IN RESET CONTROL CONTROL SETS SLEEP DEGLITCH NORMAL EXIT SLEEP MODE CONTROL MODE MODE CONTROL NORMAL 5 µsec min, GO TO SLEEP When 0 OFF OFF DISABLED NOT ACTIVE MODE NOT NOT ACTIVE 16 µsec max at T>Twait SET FORCE ENABLE TRANSITION REBOOT When 1 ON ON ENABLED 5ms SET SLEEP NORMAL TO NORMAL REQUEST MODE STATE SLEEP STATE: When the SLEEP state is set all supplies are set to OFF mode (with exception of RTC_LDO) and the NOPOWER output is pulled low. A few internal blocks are still active, enabling detection of system status changes that trigger the SLEEP state exit. All I2C engines are reset and all RAM registers are reset to their default condition when the SLEEP state is set. The RAM bits that have a default set via the non-volatile memory will keep the value they had before the SLEEP state was set. The SLEEP state ends when one of the following sequences is executed: 1. If SLEEP was set by thermal fault: The SLEEP state will end only when all external input supplies and battery pack are removed and an UVLO condition is detected by the TPS658620, setting the POWER UP state. 2. If SLEEP was not set by thermal fault: The SLEEP state will end when a hardware sleep exit request is detected at RESUME pin EXITING THE SLEEP STATE: The figure below shows the timing relationship needed on the RESUME pin to exit the sleep mode. This applies for all cases where the sleep mode entry was triggered by any event other than a thermal fault. Note that only the RESUME pin can be used to exit the SLEEP state. Figure 3-12. Entering and Exiting Sleep Mode Resume REBOOT REQUEST: The REBOOT REQUEST state is entered from the NORMAL state. It can be set via software (SOFT_RST set to 1, register 0x14 Bit B0) or by a VIL level detection at HOTRST pin. When the reboot request state is set an internal timer TWAIT (10ms typ) is started, and the NOPOWER pin is pulled to ground. The reboot request ends when t > TWAIT. The REBOOT REQUEST will transition the device state machine to the HARD REBOOT state. The REBOOT REQUEST is set if the HOTRST low pulse width is greater than 10 µsec (typ). Submit Documentation Feedback DETAILED DESCRIPTION 49 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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