参数资料
型号: 405EX
厂商: Applied Micro Circuits Corp.
英文描述: PowerPC 405EX Embedded Processor
中文描述: 嵌入式处理器的PowerPC 405EX
文件页数: 59/67页
文件大小: 457K
代理商: 405EX
PPC405EX – PowerPC 405EX Embedded Processor
62
AMCC Proprietary
Revision 1.09 - August 21, 2007
Preliminary Data Sheet
Figure 8. DDR SDRAM Read Data Path
DDR SDRAM Read Cycle Timing
The following diagram illustrates the relationship of the signals involved with a DDR read operation.
Figure 9. DDR SDRAM Memory Data and DQS
PLB bus
DQ
Programmed
Delay
Package
Mux
Read DQS
C
D
FF: Flip-Flop
Q2
DQS
DDR 1X Clock
Mux
Data
(x32)
Read FIFO
PLB 1X Clock
Stage 2
Stage 1
Stage 3
FF
PLB bus
[0:63]
[64:127]
DQS Rising
DQS Falling
Q3
0
6
4
2
(x32)
Coarse Delay
Cycles
Driver
Rec
MemDCFdbkD
MemDCFdbkR
Ext FeedBack
Read Start
Feedback
Data Capture
Window
DDR 1X Clock
Stage 2 Store
Oversampling
DQS aligned
CAS Lat Delay
FeedBack
Signal Gen
Fine Delay
T1 T2 T3 T4
Fine Delay
FF
7
5
3
1
0
7
Edge Sync
Upper
Lower
Signals
pins
FF
Q2_Ovs
FF
FBK signal
Delay
+1
Compare
DDR 1X Clock
Oversampling
Clock
Read Latency adjust circuit
C
D
FF
adjust
DQS
MemData
TSD
THD
相关PDF资料
PDF描述
405EZ PowerPC 405EZ Embedded Processor
405GPR Power PC 405GPr Embedded Processor
405GP Power PC 405GP Embedded Processor
4060120000 RELAY,MICROSERIES 24 V,1CO
4060EFE Standalone Linear NiMH/NiCd Fast Battery Charger
相关代理商/技术参数
参数描述
405EXR 制造商:AMCC 制造商全称:Applied Micro Circuits Corporation 功能描述:Embedded Processor
405EZ 制造商:AMCC 制造商全称:Applied Micro Circuits Corporation 功能描述:PowerPC 405EZ Embedded Processor
405F 功能描述:鼓风机 40x10mm 5VDC 4.7CFM .7W 5400RPM 23dBA SB RoHS:否 制造商:Murata 产品:Blowers 电流类型:DC 电源电压:5.3 V 气流:1 l/min 轴承类型: 噪声: 速度: 功率额定值: 框架尺寸 (mm):20 mm x 20 mm x 1.85 mm 外壳材料: 端接类型:SMD/SMT 系列:MZB
405F 制造商:ebm-papst Inc 功能描述:FAN 40MM 5VDC
405F/2H 功能描述:风扇 40x40x10mm 5VDC RoHS:否 制造商:Sanyo Denki 产品:Fans 电流类型: 电源电压:48 V 气流:636 CFM 轴承类型: 噪声:83 dBA 速度:6400 RPM 功率额定值:264 W 框架尺寸 (mm):172 mm x 150 mm x 102 mm 外壳材料:Aluminum 端接类型:Wire 系列: