参数资料
型号: IP-RLDRAMII
厂商: Altera
文件页数: 51/62页
文件大小: 0K
描述: IP RLDRAM II CONTROLLER
标准包装: 1
系列: *
类型: MegaCore
功能: RLDRAM II 控制器
许可证: 初始许可证
Getting Started
Figure 3–2. System Naming
example_top
Example Top-Level Design
Other Logic
my_system
System
my_sub_system
Subystem
RLDRAM II
my_rldram
RLDRAM II Controller
Interface
RLDRAM II
PLL
Datapath
14. IP Toolbench uses a prefix (for example, rldramii_ ) for the names of
all memory interface pins. Enter a prefix for all memory interface
pins associated with this custom variation.
15. Enter the pin loading for the FPGA pins.
1
You must enter suitable values for the pin loading, because
the values affect timing.
16. Click Finish .
Step 2: Constraints
To choose the constraints for your device, follow these steps:
1.
2.
Click Step 2: Constraints in IP Toolbench.
Choose the positions on the device for each of the RLDRAM II byte
groups. To place a byte group, select the byte group in the drop-
down box at your chosen position.
Altera Corporation
November 2009
1
The floorplan matches the orientation of the Quartus II
floorplanner. The layout represents the die as viewed from
above. A byte group consists of data (DQ) pins for CIO
devices; or data (Q) pins for SIO devices, and a data strobe
signal (DQS) pin. The number of data pins per byte group
matches your choice of DQ (or Q ) per DQS .
MegaCore Version 9.1 3–7
RLDRAM II Controller MegaCore Function User Guide
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