參數(shù)資料
型號(hào): EP9315-CB
廠商: CIRRUS LOGIC INC
元件分類: 微控制器/微處理器
英文描述: Enhanced Universal Platform System-on-Chip Processor
中文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA352
封裝: 27 X 27 MM, PLASTIC, MO-151BAL-2, BGA-352
文件頁(yè)數(shù): 25/64頁(yè)
文件大?。?/td> 1031K
代理商: EP9315-CB
DS638PP4
Copyright 2005 Cirrus Logic (All Rights Reserved)
25
EP9315
Enhanced Universal Platform SOC Processor
Static Memory Burst Read Cycle
Note:
These characteristics are valid when the Page Mode Enable (Burst Mode) bit is set. See the User's Guide for details.
Parameter
Symbol
Min
Typ
Max
Unit
CSn assert to Address 1 transition time
t
ADd1
-
t
HCLK
×
(WST1 + 1)
t
HCLK
×
(WST2 + 1)
-
ns
Address assert time
t
ADd2
-
-
ns
AD transition to CSn deassert time
t
ADd3
-
t
HCLK
×
(WST1 + 2)
-
ns
AD hold from CSn deassert time
t
ADh
t
HCLK
-
-
ns
CSn to RDn delay time
t
RDd
-
-
3
ns
CSn to DQMn assert delay time
t
DQMd
-
-
1
ns
DA setup to AD transition time
t
DAs1
15
-
-
ns
DA setup to CSn deassert time
t
DAs2
t
HCLK
+ 12
-
-
ns
DA hold from AD transition time
t
DAh1
0
-
-
ns
DA hold from RDn deassert time
t
DAh2
0
-
-
ns
Figure 12. Static Memory Burst Read Cycle Timing Measurement
AD
CSn
WRn
RDn
DQMn
DA
t
ADd1
t
ADd2
t
ADd2
t
RDd
t
DQMd
t
DAs1
t
DAh1
t
DAs1
t
DAh1
t
DAs1
t
DAh1
t
DAs2
t
DAh2
t
ADh
WAIT
t
ADd3
t
ADs
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