ESP32 Boot Issue

AlanChen
Posts: 1
Joined: Thu Dec 30, 2021 2:02 am

ESP32 Boot Issue

Postby AlanChen » Thu Dec 30, 2021 2:15 am

我用Arduino烧录了ESP32的代码后,显示是烧录成功的。然后给模块重新上电,发现芯片每次会进入烧录模式,测量IO0脚为3.3V。手上有几片模块,有些模块烧录代码后能正常启动,有些会进入BOOT模式,为什么会出现这种情况呢?
rst:0x1 (POWERON_RESET),boot:0x3 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_REO_V2))
waiting for download

ESP_LJH
Posts: 387
Joined: Tue May 18, 2021 9:21 am

Re: ESP32 Boot Issue

Postby ESP_LJH » Tue Jan 04, 2022 4:00 am

你可以看下 GPIO0 是不是有电容。

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