DQ7
DQ0
DQS
DQS#
DQ7
DQ0
DQS
DQS#
CK#
8-Bit DDR3
Devices
0.1 µF
49.9
1 , 20 mW
Ω
(± %
)
0.1 µF
0.1 µF
16-Bit DDR3
Interface
DDR_D15
DDR_D8
DDR_DQS1
DDR_DQSn1
DDR_D7
DDR_D0
DDR_DQS0
DDR_DQSn0
DDR_CK
DDR_CKn
DDR_ODT
DDR_CSn0
DDR_BA0
DDR_BA1
DDR_BA2
DDR_A0
DDR_A15
DDR_CASn
DDR_RASn
DDR_WEn
DDR_CKE
DDR_RESETn
DDR_VREF
DDR_VTP
8
8
15
CK
ODT
BA1
BA0
BA2
CS#
A0
A15
CAS#
RAS#
WE#
RESET#
CKE
ZQ
VREFDQ
VREFCA
ZQ
CK#
CK
ODT
BA1
BA0
BA2
CS#
A0
A15
CAS#
RAS#
WE#
RESET#
CKE
ZQ
VREFDQ
VREFCA
Termination is required. See terminator comments.
Zo
Value determined according to the DDR3 memory device data sheet.
ZQ
0.1 µF
ZQ
Zo
Zo
Zo
Zo
DDR_VREF
DDR_VTT
VDDS_DDR
TDQS#
NC
NC
TDQS#
0.1 µF
DM/TDQS
DDR_DQM1
DM/TDQS
DDR_DQM0
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Figure 7-49. 16-Bit DDR3 Interface Using Two 8-Bit DDR3 Devices
Copyright © 2011–2015, Texas Instruments Incorporated
Peripheral Information and Timings
175
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