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XAPP719 -利用USR_ACCESS寄存器实现PowerPC高速缓存配置

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  • 标      签: USR_ACCESS PowerPC XAPP 719

资 源 简 介

The Virtex™-4 user access register (USR_ACCESS_VIRTEX4) is a 32-bit register thatprovides direct access to bitstream data by the FPGA fabric. It is useful for loadingPowerPC™ 405 (PPC405) processor caches and/or other data into the FPGA after the FPGAhas been configured, thus achieving partial reconfiguration. The USR_ACCESS_VIRTEX4register is programmed through the bitstream with a command that writes a series of 32-bitwords.
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