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OMAP3530ECBC 数据表(PDF) 132 Page - Texas Instruments

部件名 OMAP3530ECBC
功能描述  OMAP3530 and OMAP3525 Applications Processors
PDF  265 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

OMAP3530ECBC 数据表(HTML) 132 Page - Texas Instruments

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OMAP3530, OMAP3525
SPRS507H – FEBRUARY 2008 – REVISED OCTOBER 2013
www.ti.com
3.6.2
Power-down Sequence
The following steps give an example of the power-down sequence supported by the OMAP3530/25
device.
1. Reset OMAP3530/25 device.
2. Stop all signals driven to OMAP3530/25 balls.
3. Option 1: Power down all domains simutaneously.
4. Option 2: If all domains cannot be powered down simultaneously, follow the below sequence:
(a) Power off all complex I/O domains (vdds_mmc1, vdds_mmc1a, vdda_dac)
(b) Power off all core domains (vdd_core, vdd_mpu _iva)
(c) Power off all PLL domains (vdds_dpll_dll, vdds_dpll_per)
(d) Power off all SRAM LDOs (vdds_sram)
(e) Power off all reference domains (vdds_wkup_bg)
(f) Power off all standard I/O domains (vdds, vdds_mem)
The OMAP3530/25 device proceeds with the power-down sequence shown in .
Note: Another possible power-down sequence:
•
vdd_mpu _iva shuts down before vdd_core.
•
vdds_sram, vdds_wkup_bg, vdds, and vdds_mem shut down simultaneously.
•
vdds_dpll_dll and vdds_dpll_per shut down anytime between all complex IO domains shut down and
vdds_sram shuts down.
132
ELECTRICAL CHARACTERISTICS
Copyright © 2008–2013, Texas Instruments Incorporated
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Product Folder Links: OMAP3530 OMAP3525



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