IPR-SDRAM/DDR2 Altera, IPR-SDRAM/DDR2 Datasheet - Page 83
IPR-SDRAM/DDR2
Manufacturer Part Number
IPR-SDRAM/DDR2
Description
IP CORE Renewal Of IP-SDRAM/DDR2
Manufacturer
Altera
Type
MegaCorer
Specifications of IPR-SDRAM/DDR2
Software Application
IP CORE, Memory Controllers, SDRAM
Supported Families
Cyclone, HardCopy, Stratix
Features
Data Mask Signals For Partial Write Operations, Bank Management Architecture
Core Architecture
FPGA
Core Sub-architecture
Cyclone, HardCopy, Stratix
Rohs Compliant
NA
Function
DDR2 SDRAM Controller
License
Renewal License
Lead Free Status / RoHS Status
na
Lead Free Status / RoHS Status
na
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Resynchronization
Resynchronization Registers
Figure A–1. Resynchronization Registers
Notes to
(1) IP Toolbench automatically inserts the intermediate resynchronization registers, depending on your choice of resynchronization phase.
(2) IP Toolbench automatically inserts these registers if the design needs them.
© March 2009 Altera Corporation
Figure
local_rdata
PLL
A–1:
resynch_clk
Intermediate resynchronization registers
Figure A–1
clk
Clocked by delayed DQS Clock
Clocked by Resynchronization Clock
Clocked by System Clock
(see Note 1)
Reclock resynchronized data
shows the resynchronization registers.
to rising edge registers
(see Note 2)
Resynchronization registers
DDR and DDR2 SDRAM Controller Compiler User Guide
Capture registers
90
o
DQS
DQ
A–5
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