Search found 2 matches
- Fri Mar 24, 2023 8:09 am
- Forum: Hardware
- Topic: ESP32-S3 uploading firmware via internal serial/JTAG without EN and Boot buttons
- Replies: 1
- Views: 820
ESP32-S3 uploading firmware via internal serial/JTAG without EN and Boot buttons
I'm designing a PCB that is using the built in serial/JTAG controller and OTG peripheral of the ESP32-S3. It cannot have physical boot or reset buttons. It has a USB-C receptical with the D+/D- lines connected to GPIO20 and GPIO19, respectively. Are there any ways of going without buttons for reset ...
- Sun Mar 12, 2023 6:49 am
- Forum: Hardware
- Topic: Powering VDD3P3_RTC with 3.3V 30mA always on LDO
- Replies: 1
- Views: 585
Powering VDD3P3_RTC with 3.3V 30mA always on LDO
Is it possible to power RTC from a 3.3V 30mA always on output from LDO to keep RTC running while chip is off? I know the pin supplies VDD_SPI and i'm using that to power flash and psram running at 25mA and 40mA, respectively. Can I power flash and psram from external LDO and have VDD3P3_RTC dedicate...