IAR工程单步调试时提示下载程序失败

There were warnings while generating flash loader input.

Tue Sep 22, 2020 14:41:52: Flash download warning: 160530 out of 618854 bytes from data record CODE:[0x080101AC,0x080A7311] will not be flashed

Tue Sep 22, 2020 14:41:52: There were warnings while generating flash loader input.

Tue Sep 22, 2020 14:44:21: There were 1 error and 1 warning during the initialization of the debugging session.

原因：工程选项配置错误

project>>option>>Debugger>>Download>>

$TOOLKIT_DIR$\config\flashloader\ST\FlashSTM32F446xE.board

该文件与工程所使用的IC不相符。

解决：使用默认配置，不选择特定文件