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DM385 Datasheet(PDF) 134 Page - Texas Instruments

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Part # DM385
Description  DM385 and DM388 DaVinci??Digital Media Processor
PDF  281 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DM385 Datasheet(HTML) 134 Page - Texas Instruments

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POR
CVDD
CVDD_x
3.3 V Supplies
(DVDD, DVDD_x, VDDA_x_3P3)
1.8 V Supplies
(DVDD, DVDD_x, VDDA_x_1P8,
VDDA_1P8)
1
4
3
1.35 V/1.5 V/1.8 V DVDD_DDR[0]
2
DM385, DM388
SPRS821D – MARCH 2013 – REVISED DECEMBER 2013
www.ti.com
Both 1.8 V and DVDD_DDR[x] supplies must be powered up and stable prior to starting the ramp of the 3.3 V
supplies.
CVDD powered-up coincidently or prior to CVDD_ARM and CVDD_HDVICP supplies.
Figure 7-1. Power-Up Sequence
7.2.8.2
Power-Down Sequence
For proper device operation, the following power-down sequence in Table 7-6, Figure 7-2, Figure 7-3, and
Figure 7-4 must be followed.
Table 7-6. Power-Down Sequence Ramping Values
NO.
DESCRIPTION
MIN
MAX
UNIT
5
CVDD, CVDD_x variable supplies to 1.8 V supplies
0
ms
6
1.35-/1.5-/1.8-V DVDD_DDR[x] supplies to 1.8 V supplies
0
ms
7
3.3 V supplies to 1.8 V supplies
(1)
(1)
ms
8
CVDD_x supplies to CVDD supply
(2)
(2)
ms
(1)
The 3.3 V supplies must never be more than 2 V above the 1.8 V supplies (see Figure 7-3).
(2)
The CVDD supply must be powered down coincidentally or after CVDD_ARM and CVDD_HDVICP supplies (see Figure 7-4).
134
Power, Reset, Clocking, and Interrupts
Copyright © 2013, Texas Instruments Incorporated
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Product Folder Links: DM385 DM388



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