Avalue ECM-VX900 - Manual (Page 62)

ECM-VX900
62 ECM-VX900 User ’s Manual
3.6.6.1.1 DRAM Frequency/Timing configuration
Item Option
Description
DRAM Clock
Auto
400MHz
533MHz DRAM Clock selection
Bank Interleave
SPD
Non-page
2-way
4-way
8-way Bank Interleave selection
Output Impedance Control
Normal
Weak
Output Impedance Control
selection
DDR2 Memory Chip ODT
[DDR2/DDR3]
Auto
Disabled
75 ohm/60 ohm
150 ohm/120 ohm
50 ohm/40 ohm
NA/20 ohm
NA/30 ohm
DDR2 Memory Chip ODT
[DDR2/DDR3] selection
DDR3 Dynamic ODT
Auto
Disabled
RZQ/4
RZQ/2
DDR3 Dynamic ODT selection
BA0 SEL
A11
A13
A15
A17
A19
BA0 SEL selection