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TMS320DM814X Datasheet(PDF) 186 Page - Texas Instruments

Part # TMS320DM814X
Description  DaVinci Video Processors
PDF  377 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TMS320DM814X Datasheet(HTML) 186 Page - Texas Instruments

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3.3 V Supplies
(DVDD, DVDD_x, DVDD_C, VDDA_x_3P3)
1.5 V/1.8 V DVDD_DDR[x]
CVDD
1.8 V Supplies
(DVDD, DVDD_x, DVDD_M, VDDA_x_1P8,
VDDA_1P8)
TMS320DM8148, TMS320DM8147
SPRS647E – MARCH 2011 – REVISED DECEMBER 2013
www.ti.com
Figure 7-1. Power-Up Sequence
7.2.8.2
Power-Down Sequence
For proper device operation, the following power-down sequence in Table 7-7 and Figure 7-2 must be
followed. Ramping down all supplies at the same time is allowed, provided the requirements in Table 7-7
are met.
Table 7-7. Power-Down Sequence Ramping Values
NO.
DESCRIPTION
MIN
MAX
UNIT
8
CVDD, CVDD_x variable supply to 1.8 V supplies
See (1)
See (1)
ms
9
1.5-/1.8-V DVDD_DDR[x] supplies to 1.8 V supplies
See (1)
See (1)
ms
10
3.3 V supplies to 1.8 V supplies
See (2)
See (2)
ms
CVDD_x variable supplies ramp-down start to CVDD
14
0
ms
variable supply ramp-down start
(1)
The 1.5-/1.8-V DVDD_DDR[x] and CVDD, CVDD_x variable supplies can be powered down prior to or simultaneously with the 1.8-V
supplies.
(2)
The 3.3 V supplies must never be more than 2 V above the 1.8 V supplies (see Figure 7-3).
186
Power, Reset, Clocking, and Interrupts
Copyright © 2011–2013, Texas Instruments Incorporated
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Product Folder Links: TMS320DM8148 TMS320DM8147



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