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DM385 bảng dữ liệu(PDF) 135 Page - Texas Instruments

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tên linh kiện DM385
Giải thích chi tiết về linh kiện  DM385 and DM388 DaVinci??Digital Media Processor
PDF  281 Pages
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nhà sản xuất  TI [Texas Instruments]
Trang chủ  http://www.ti.com
Logo TI - Texas Instruments

DM385 bảng dữ liệu(HTML) 135 Page - Texas Instruments

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CVDD_x
CVDD
8
3.3 V Supplies
V Delta
(A)
1.8 V Supplies
(Excluding DVDD_DDR[x])
7
1.35 V/1.5 V/1.8 V DVDD_DDR[0]
CVDD, CVDD_x
3.3 V Supplies
(DVDD, DVDD_x, DVDD_C, VDDA_x_3P3)
1.8 V Supplies
(DVDD, DVDD_x, VDDA_x_1P8,
VDDA_1P8)
6
5
DM385, DM388
www.ti.com
SPRS821D – MARCH 2013 – REVISED DECEMBER 2013
Figure 7-2. Power-Down Sequence
A.
V Delta Max = 2 V.
Figure 7-3. 3.3 V Supplies Falling After 1.8 V Supplies Delta
Figure 7-4. CVDD and CVDD_x Power-Down Sequence
7.2.9
Power-Supply Decoupling
7.2.9.1
Analog and PLL
PLL and Analog supplies benefit from filters or ferrite beads to keep the noise from causing problems. The
minimum recommendation is a ferrite bead along with at least one capacitor on the device side of the
bead. An additional recommendation is to add one capacitor just before the bead to form a Pi filter. The
filter needs to be as close as possible to the device pin, with the device side capacitor being the most
important component to be close to the device pin. PLL pins close together can be combined on the same
supply, but analog pins should all have their own filters. PLL pins farther away from each other may need
their own filtered supply.
Copyright © 2013, Texas Instruments Incorporated
Power, Reset, Clocking, and Interrupts
135
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Product Folder Links: DM385 DM388



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