Bpi flash memory FPGA. Other Page 12 Master BPI flash memory using the onboard Linear BPI flash memory • JTAG using a standard-A to micro-B USB cable for connecting the host PC to the KC705 board configuration port Each configuration interface corresponds to 本文将详细探讨如何通过BPI FLASH实现FPGA的串口升级及MultiBoot功能，并提供一个实例演示。 一、BPI FLASH简介 BPI（Byte-Programmable Interface）FLASH是一种非易失性存储器，通过特定的接口与FPGA进行连接，用于存储FPGA的配置文件、引导加载程序（Bootloader）和应用程序。 BPI连接方式是通过使用FPGA的片内资源，将BPI Flash与FPGA相连，实现FPGA对BPI Flash的读取和写入操作。 在FPGA中，可以使用片内的专用IO引脚或通用IO引脚来连接BPI Flash。通常情况下，使用片内的专用IO引脚 FPGA支持直接连接BPI闪存的地址，数据和控制信号，以提取存储的比特流。 主BPI配置模式有两种BPI闪存读取模式：异步和同步。 与其他直接配置模式相比，使用BPI flash同步读取模式可以实现更快的配置时间。 上一节说了bpi flash的第一个操作：读芯片ID,这一节说说读ID的代码怎么写，（打工仔）没什么时间去慢慢分析代码了，直接把代码贴上来，有问题可以评论区联系。 By the way, in reply to markg's response, from data sheet 96ns is the initial read access time, not the time during synchronous read. X-Ref Target - Figure 4 Figure 4: QuickBoot Flash Memory Components and Configuration Method Flash Memory Component 2: Golden Bitstream Component 3: Update Bitstream Warm Boot Jump Sequence Critical Switch Linear BPI Flash Memory [Figure 1-2 , callout 3 ] The Linear BPI Flash memory located at U3 provides 128 MB of nonvolatile storage that can be used for configuration or software storage. x • Quad Serial Peripheral Interface (QSPI) flash memory for board revision 2. For applications that require faster configuration times, the x16 data bus width with synchronous re Linear BPI Flash Memory [Figure 1-2 , callout 3] The linear BPI flash memory located at U3 provides 128 MB of nonvolatile storage that can be used for configuration or software storage. 0. 5. Systems that use parallel NOR flash memory for random-access, non-volatile application data storage can also benefit from consolidating the configuration Many systems use Byte-wide Peripheral Interface (BPI) flash memory for FPGA configuration and system data storage. mcs • Select a 128 Mb flash target (16384 x 1024 bytes x 8 bits = 134,217,728, Hi, I want to program the config BPI flash on my board via PCIe DMA. Figure 1-4 shows the connections of the linear BPI Flash memory on the VC707 board. blodvhfcxmxsgssjiuqefiqxodrdgzykquyugecresjoaxpsqtlpxtzogobuvmnjuobytfsqfrhy