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PPC440SP-AFC667C 参数 Datasheet PDF下载

PPC440SP-AFC667C图片预览
型号: PPC440SP-AFC667C
PDF下载: 下载PDF文件 查看货源
内容描述: 的PowerPC 440SP嵌入式处理器 [PowerPC 440SP Embedded Processor]
分类和应用: PC
文件页数/大小: 85 页 / 1264 K
品牌: AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
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Revision 1.23 - Sept 26, 2006  
Data Sheet  
PowerPC 440SP Embedded Processor  
The following figure shows the timing relationship between SDRAM DDR Data at the input pin and the store of the  
data in stage 1.  
Figure 11. DDR SDRAM Read Cycle Timing Example  
Oversampling Guard Band  
DDR 1X Clock  
DDR 2X Clock  
Memclk (Diff.)  
DQS at  
MemCntl pin  
Data at pin  
D0  
D1  
D2  
D3  
D4  
T2  
D5  
D6  
D7  
D8  
D9  
Store 1st Data in Stage 2  
T3  
FeedBack  
output  
1X DDR Clk cycle  
T1  
T4  
Delayed DQS  
Data out Stage 1 (0)  
Data out Stage 1 (1)  
Data out Stage 1 (2)  
Valid  
High  
Low  
D0  
D1  
D2  
D3  
Data out Stage 2  
PLB 1X Clock  
82  
AMCC Proprietary  
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