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KC705 Evaluation Board
UG810 (v1.3) May 10, 2013
Chapter 1:
KC705 Evaluation Board Features
DDR3 Memory Module
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, callout
]
The memory module at J1 is a 1 GB DDR3 small outline dual-inline memory module
(SODIMM). It provides volatile synchronous dynamic random access memory (SDRAM)
for storing user code and data.
•
Part number: MT8JTF12864HZ-1G6G1 (Micron Technology)
•
Supply voltage: 1.5V
•
Datapath width: 64 bits
•
Data rate: Up to 1,600 MT/s
The DDR3 interface is implemented across I/O banks 32, 33, and 34. Each bank is a 1.5V
high-performance (HP) bank having a dedicated DCI VRP/N resistor connection. An
external 0.75V reference VTTREF is provided for data interface banks 32 and 34. Any
interface connected to these banks that requires a reference voltage must use this FPGA
voltage reference. The connections between the DDR 3 memory and the FPGA are listed in
Table 1-4:
DDR3 Memory Connections to the FPGA
U1 FPGA Pin
Net Name
J1 DDR3 Memory
Pin Number
Pin Name
AH12
DDR3_A0
98
A0
AG13
DDR3_A1
97
A1
AG12
DDR3_A2
96
A2
AF12
DDR3_A3
95
A3
AJ12
DDR3_A4
92
A4
AJ13
DDR3_A5
91
A5
AJ14
DDR3_A6
90
A6
AH14
DDR3_A7
86
A7
AK13
DDR3_A8
89
A8
AK14
DDR3_A9
85
A9
AF13
DDR3_A10
107
A10/AP
AE13
DDR3_A11
84
A11
AJ11
DDR3_A12
83
A12_BC_N
AH11
DDR3_A13
119
A13
AK10
DDR3_A14
80
A14
AK11
DDR3_A15
78
A15
AH9
DDR3_BA0
109
BA0
AG9
DDR3_BA1
108
BA1
AK9
DDR3_BA2
79
BA2
AA15
DDR3_D0
5
DQ0