Functional Description -- HPC II Controller, External Memory ... - Altera

5-8
ODT Generation Logic
Note:
There is no ODT for reads.
emi_rm_004
2013.12.16
Table 5-2: ODT—DDR2 SDRAM Single Slot Dual Chip-select Per DIMM (Write)
Write On
ODT Enabled
mem_cs[0]
mem_odt [0]
mem_cs[1]
mem_odt[1]
Table 5-3: ODT—DDR2 SDRAM Dual Slot Single Chip-select Per DIMM (Write)
Write On
ODT Enabled
mem_cs[0]
mem_odt [1]
mem_cs[1]
mem_odt[0]
Table 5-4: ODT—DDR2 SDRAM Dual Slot Dual Chip-select Per DIMM (Write)
Write On
ODT Enabled
mem_cs[0]
mem_odt[2]
mem_cs[1]
mem_odt[3]
mem_cs[2]
mem_odt[0]
mem_cs[3]
mem_odt[1]
DDR3 SDRAM
Note: There is no ODT for reads.
Table 5-5: ODT—DDR3 SDRAM Single Slot Single Chip-select Per DIMM (Write)
Write On
ODT Enabled
mem_cs[0]
mem_odt [0]
Note:
There is no ODT for reads.
Altera Corporation
Functional Description—HPC II Controller
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