Search found 3 matches
- Tue Jul 14, 2020 8:29 am
- Forum: Hardware
- Topic: ESP32 + LAN8720A: problem on boot, goes into download mode
- Replies: 5
- Views: 6486
Re: ESP32 + LAN8720A: problem on boot, goes into download mode
Your reply is very helpful. Thank you!
- Mon Jul 13, 2020 8:38 pm
- Forum: Hardware
- Topic: ESP32 + LAN8720A: problem on boot, goes into download mode
- Replies: 5
- Views: 6486
Re: ESP32 + LAN8720A: problem on boot, goes into download mode
Thank you, do you have an working example schematic without external oscillator?
- Mon Jul 13, 2020 10:17 am
- Forum: Hardware
- Topic: ESP32 + LAN8720A: problem on boot, goes into download mode
- Replies: 5
- Views: 6486
ESP32 + LAN8720A: problem on boot, goes into download mode
Hello, I have an device with ESP32 and LAN8720A. It works fine, but sometimes after an power on reset the device is waiting for download instead boot normally. The GPIO0 has an pullup with 4.7K and is connected over 33R1% to PIN14 (INT/REFCLK0) on the LAN8720A. The oscillator output goes on the the ...