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您需要将板子设置为SCI BOOT模式,也就是将S2的boot设置为24(0)32(1)
而后打开serial_flash_programmer,如之前提示的使用-p和-b来提供COM口和波特率(我的设备识别为COM11)
serial_flash_programmer.exe -d f28004x -k f28004x_fw_upgrade_example\flashapi_ex2_sci_kernel.txt -a f28004x_fw_upgrade_example\led_ex1_blinky.txt -p COM11 -b 9600
更多详细信息可以参考下面文档的 6.2 PC Application: serial_flash_programmer
http://www.ti.com/lit/an/sprabv4c/sprabv4c.pdf?ts=1590465143043