AM3359_12 Datasheet, PDF (165/197 Pages) Texas Instruments – AM335x ARM® Cortex™-A8 Microprocessors (MPUs)

AM3359, AM3358, AM3357
AM3356, AM3354, AM3352
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SPRS717B – OCTOBER 2011 – REVISED JANUARY 2012
To save PCB space, the two DDR3 memories may be mounted as a mirrored pair at a cost of increased
routing and assembly complexity. Figure 5-50 and Figure 5-51 show the routing for CK and ADDR_CTRL,
respectively, for two DDR3 devices mirrored in a single-pair configuration.
VDDS_DDR
Rcp
Cac
A2
A3
AT
A2
A3
AT
Rcp
0.1 µF
=
Figure 5-50. CK Routing for Two Mirrored DDR3 Devices
Rtt
A2
A3
AT
Vtt
=
Figure 5-51. ADDR_CTRL Routing for Two Mirrored DDR3 Devices
Copyright © 2011–2012, Texas Instruments Incorporated
Peripheral Information and Timings 165
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