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EPC4XXX

更新时间: 2022-11-26 11:57:30
品牌 Logo 应用领域
阿尔特拉 - ALTERA PC
页数 文件大小 规格书
36页 387K
描述
2. Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet

EPC4XXX 数据手册

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Enhanced Configuration Devices (EPC4, EPC8 & EPC16) Data Sheet  
Figure 2–1. Enhanced Configuration Device Block Diagram  
JTAG/ISP Interface  
Enhanced Configuration Device  
Shared Flash  
Interface  
FPGA  
Flash  
Controller  
Shared Flash Interface  
The enhanced configuration device features multiple configuration  
schemes. In addition to supporting the traditional passive serial (PS)  
configuration scheme for a single device or a serial device chain, the  
enhanced configuration device features concurrent configuration and  
parallel configuration. With the concurrent configuration scheme, up to  
eight PS device chains can be configured simultaneously. In the FPP  
configuration scheme, 8-bits of data are clocked into the FPGA each cycle.  
These schemes offer significantly reduced configuration times over  
traditional schemes.  
Furthermore, the enhanced configuration device features a dynamic  
configuration or page mode feature. This feature allows you to  
dynamically reconfigure all the FPGAs in your system with new images  
stored in the configuration memory. Up to eight different system  
configurations or pages can be stored in memory and selected using the  
PGM[2..0]pins. Your system can be dynamically reconfigured by  
selecting one of the eight pages and initiating a reconfiguration cycle.  
This page mode feature combined with the external flash interface allows  
remote and local updates of system configuration data. The enhanced  
configuration devices are compatible with the Stratix Remote System  
Configuration feature.  
Altera Corporation  
August 2005  
2–3  
Configuration Handbook, Volume 2  

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