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TAG-BASED IMPLEMENTATIONS ENABLING HIGH SPEED DATA CAPTURE AND TRANSPARENT PRE-FETCH FROM A NOR FLASH
TAG-BASED IMPLEMENTATIONS ENABLING HIGH SPEED DATA CAPTURE AND TRANSPARENT PRE-FETCH FROM A NOR FLASH
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机译:基于标记的实现可实现高速数据捕获和来自NOR闪存的透明预取
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摘要
Embodiments disclosed herein generally relate for efficiently retrieving boot code for a processor from serial NOR flash memory. When a boot code request is received, a request handler in data capture logic tags successive address read requests to indicate whether the requests indicate contiguous addresses in the NOR flash memory for the boot code. Different circuitry in the data capture logic operates on different mesochronous clock signals. One clock signal drives the capture of boot code from NOR flash, and the other controls synchronized tagging, storing, pre-fetching, and transmitting of the captured boot code data.
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