快速闪存编程

XJFlash

JTAG的串行特性意味着编程大型闪存设备可能会非常缓慢。如果有可编程逻辑器件(如FPGA)连接到FLASH器件,XJFlash可以用来大大加快编程过程,经常可达到设备的最大速度。

XJFlash模块使用板载FPGA的内部电路来创建一个简单的闪存编程器。这减轻了带宽受限制的JTAG扫描链的重复任务,如控制,地址和数据位的串行移位。通过从扫描链中除去数据流量,XJTAG系统能够对给定的闪存设备实现接近理论编程时间。

Non-volatile memory programming using PLD

XJDirect

不是所有的设计都包括一个合适的可编程逻辑器件,但许多设计可以使用处理器访问闪存设备。XJDirect 可用于访问处理器的调试端口,并再次大大提高了编程速度。

Non-volatile memory programming using a processor

如果JTAG速度是问题,用其他方法可以大大提高编程速度,但由于它们都依赖于特定的应用程序,最好是联系XJTAG找出最佳的解决方案。


PDF icon 白皮书 : 非易失内存的快速编程


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