AM3359_017 Datasheet, PDF (160/253 Pages) Texas Instruments – Sitara Processors

AM3359, AM3358, AM3357, AM3356, AM3354, AM3352, AM3351
SPRS717J – OCTOBER 2011 – REVISED APRIL 2016
www.ti.com
AM335x
DDR_D0
DDR_D7
DDR_DQM0
DDR_DQS0
DDR_DQSn0
DDR_D8
DDR_D15
DDR_DQM1
DDR_DQS1
DDR_DQSn1
DDR_ODT T
DDR_BA0 T
16-Bit DDR2
Device
DQ0
DQ7
LDM
LDQS
LDQS
DQ8
DQ15
UDM
UDQS
UDQS
ODT
BA0
DDR_BA2 T
DDR_A0 T
BA2
A0
DDR_A15 T
A15
DDR_CSn0 T
CS
DDR_CASn T
DDR_RASn T
DDR_WEn T
DDR_CKE T
DDR_CK T
DDR_CKn T
CAS
RAS
WE
CKE
CK
CK
VDDS_DDR^(A)
0.1 µF
1 K Ω 1%
DDR_VREF
VREF
DDR_VREF
DDR_RESETn
0.1 µF^(B)
NC
0.1 µF^(B)
0.1 µF
1 K Ω 1%
DDR_VTP
49.9 Ω
(±1%, 20 mW)
A. VDDS_DDR is the power supply for the DDR2 memories and the AM335x DDR2 interface.
B. One of these capacitors can be eliminated if the divider and its capacitors are placed near a DDR_VREF pin.
C. For all the termination requirements, see Section 7.7.2.2.2.9.
Figure 7-39. 16-Bit DDR2 Interface Using One 16-Bit DDR2 Device
160 Peripheral Information and Timings
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