参数资料
型号: IP-RLDRAMII
厂商: Altera
文件页数: 14/62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
Block Description
Figure 2–2. Datapath Block Diagram
Datapath
control_a[]
control_ba[]
control_cs_n
control_ref_n
control_we_n
Optional
Pipeline
Registers
Address &
Command
Output
Registers
Memory
Clock
Generator
DM
Group
rldramii_a_0[]
rldramii_ba_0[]
rldramii_cs_n_0
rldramii_ref_n_0
rldramii_we_n_0
rldramii_clk[]
rldramii_clk_n[]
rldramii_dm[]
DQS Group
control_dm[]
control_doing_wr
control_wdata[]
control_wdata_valid
Optional
Pipeline
Registers
Write
Data
Logic
rldramii_dq[]
rldramii_d[]
Optional
control_rdata[]
capture_clk[]
Pipeline
Registers
Read
Data
Logic
rldramii_q[]
rldramii_qk[]
non_dqs_capture_clk
dqs_delay_ctrl[]
control_qvld[]
Optional
Pipeline
Registers
QVLD
Group
rldramii_qvld[]
Note to Figure 2–2 :
(1)
The default signal is < signal >_0. When you specify additional address and command busses, both < signal >_0 and
< signal >_1 are present.
The datapath performs the following functions:
Interfaces to CIO or SIO RLDRAM II devices
Outputs write data to the RLDRAM II interface
Captures RLDRAM II read data and data valid (QVLD) signals with:
In DQS mode, a delayed rldramii_qk[] generated by the
dedicated DQS delay circuitry
In non-DQS mode, an external capture clock
2–4 MegaCore Version 9.1
RLDRAM II Controller MegaCore Function User Guide
Altera Corporation
November 2009
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