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openrisc_vision_hardware's Introduction

使用須知:  本專案用ISE 14.7 做開發,若使用不同的ISE版本需要重建專案  目前使用的FPGA是Xilinx Spartan-6系列的XC6SLX75T

專案須包含  1. 資料夾下的所有 .v 檔  2. 利用ISE 的 IP core generator生成 xilinx_ram_65536 module,此module 為一 width 32 bit,depth 65536 的 block memory  3. pin腳設定檔 ( top.ucf )

版本:  OpenRISC:OR1200 Rev. 1  Wishbone Bus:Opencores 提供的 wb_conmax ( Wishbone Rev. B2 )

特色:  將address 65535 mapping 到FPGA上提供的LED、button與 GPIO  不須接 RS232,可透過 USB 線做 UART 的輸出

Feature work:  OpenRISC更新到 Rev. 2 ( 或更新版本 )   新版core將可提供cache write through / back 的選擇   ( Rev. 1 僅實作 write through )

 Wishbone Bus 更新到 Rev. B3 ( 或更新版本 )

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