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TMS320DM814x Datasheet(PDF) 314 Page - Texas Instruments

Part # TMS320DM814x
Description  DaVinci Video Processors
PDF  376 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TMS320DM814x Datasheet(HTML) 314 Page - Texas Instruments

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A1
A2
Processor
Differential Clock
Output Buffer
DDR Differential CK Input Buffers
Routed as Differential Pair
A3
AT
Rcp
Clock Parallel
Terminator
A1
A2
A3
AT
Rcp
Cac
DDR_1V5
0.1 µF
+
–
+ –
+ –
=
Rtt
A2
A3
A4
AT
Vtt
A3
TMS320DM8148, TMS320DM8147
SPRS647E – MARCH 2011 – REVISED DECEMBER 2013
www.ti.com
Figure 8-63. ADDR_CTRL Routing for Four Mirrored DDR3 Devices
8.13.4.2.4.11.4 Two DDR3 Devices
Two DDR3 devices are supported on the DDR EMIF consisting of two x8 DDR3 devices arranged as one
bank (CS), 16-bits wide, or two x16 DDR3 devices arranged as one bank (CS), 32-bits wide. These two
devices may be mounted on a single side of the PCB, or may be mirrored in a pair to save board space at
a cost of increased routing complexity and parts on the backside of the PCB.
8.13.4.2.4.11.5 CK and ADDR_CTRL Topologies, Two DDR3 Devices
Figure 8-64 shows the topology of the CK net classes and Figure 8-65 shows the topology for the
corresponding ADDR_CTRL net classes.
Figure 8-64. CK Topology for Two DDR3 Devices
314
Peripheral Information and Timings
Copyright © 2011–2013, Texas Instruments Incorporated
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Product Folder Links: TMS320DM8148 TMS320DM8147



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