参数资料
型号: IP-RLDRAMII
厂商: Altera
文件页数: 26/62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
Interfaces
f
For more details on how to run the simulation script, see “Simulate the
Constraints
The constraints scripts set the following constraints:
Sets IO standards:
1.5 or 1.8-V HSTL voltage selection
Address and command—HSTL Class I
Data CIO mode—HSTL Class II
Data SIO mode—HSTL Class I
Sets output capacitance
Places data pins as per selection in pin placement constraints floor
plan. Allows automatic placement for DQS and non-DQS modes
Places all DM pins
Sets up correct output enable groups
Sets rldramii_a_0 , rldramii_ba_0 , rldramii_cs_n _0,
rldramii_ref_n _0 and rldrainii_we_n_0 as fast output
registers (see note 1 in Table 2–5 )
Sets rldramii_qk[] non-global signal in DQS capture mode
Add Hold Relationship and Setup Relationship to all I/O ports.
Interfaces
This section describes the following RLDRAM II commands:
Initialization
The control logic initializes the RLDRAM II devices. During initialization
the mode register is set and each bank is refreshed in turn. IP Toolbench
sets the following RLDRAM II initialization features:
On-die termination (ODT)
Impedance matching resistor
DLL enable
RLDRAM II configuration
Figure 2–11 shows the initialization sequence.
2–16 MegaCore Version 9.1
RLDRAM II Controller MegaCore Function User Guide
Altera Corporation
November 2009
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