串口工具连接问题

Serein

CH340串口工具正常连接：

对应的引脚也正常

这里的端口是CH340的端口

可是还是烧不进去固件



[17:53:43.263] [UI] [I] Current Topo ID:0, Nameefault0
[17:53:43.292] [UI] [I] The current algorithm mode should be selected : 128
[17:53:43.292] [UI] [I] The mode has been loaded.
[17:54:04.301] [UI] [E] "Failed to download firmware!"
[17:54:27.892] [UI] [E] "Failed to download firmware!"
[18:03:16.781] [UI] [E] "Failed to download firmware!"

Silas

首次烧录出现重启字样，请重启开发板，工具不操作，重启后进度条会自行加载

Serein

Silas 发表于 2026-6-12 11:04
首次烧录出现重启字样，请重启开发板，工具不操作，重启后进度条会自行加载
...

不是开发板，是我们自己的板子，下电重启之后，还是不行，提示host check timeout:16015,16000。是不是需要有上电时序呢？类似这个帖子里的：
AD1565 上电时序
https://forum.dash-chip.com/forum.php?mod=viewthread&tid=27
(出处: 炬迪科技 DSP 技术论坛)

chenp

有试过其他的串口芯片么，比如FT232

Serein

chenp 发表于 2026-6-12 19:36
有试过其他的串口芯片么，比如FT232

没，手里只有CH340