Search found 4 matches

by twicejiggled
Wed Mar 30, 2022 11:13 am
Forum: Hardware
Topic: ESP32-S3 recommended RF CLC
Replies: 1
Views: 1691

Re: ESP32-S3 recommended RF CLC

*bump*
I should also specify i plan on having standard 2 layer FR4 1oz copper.
by twicejiggled
Wed Mar 30, 2022 11:02 am
Forum: Documentation
Topic: ESP32-S3 Hardware Design Guidelines | 硬件设计指南
Replies: 1
Views: 19039

Re: ESP32-S3 Hardware Design Guidelines | 硬件设计指南

Hi Rudi, Thanks for posting this! On page 12, section 2.5 RF of the esp32-s3 hardware guidelines it doesn't specify the pin impedance for the esp32s3 QFN 7x7 56 pin package, compared to the esp32 guidelines ( https://www.espressif.com/sites/default/files/documentation/esp32_hardware_design_guideline...
by twicejiggled
Wed Mar 23, 2022 11:30 pm
Forum: Hardware
Topic: ESP32-S3 recommended RF CLC
Replies: 1
Views: 1691

ESP32-S3 recommended RF CLC

Hi guys, I've been browsing around and so far can only find the impedances for the smaller 5x5 QFN output impedance is 35+j10 and larger 6x6 package is 30+j10, whereas the ESP32-S3 is a 7x7QFN with 56 pins, does anyone know the impedance of the pin at 2.4GHz, or recommend a CLC circuit to go with th...
by twicejiggled
Mon Feb 07, 2022 10:08 pm
Forum: ESP-IDF
Topic: Blinking an LED in ULP crashes when an external interrupt is setup from the main CPU
Replies: 3
Views: 6153

Re: Blinking an LED in ULP crashes when an external interrupt is setup from the main CPU

Hey, any updates for implementing interrupts on the ULP? I'm hoping to migrate my program from the esp32 which utilises a core for handling and streaming Wi-Fi data and another core for handling and receiving data from peripheral devices (spi, i2c) and was hoping to implement a bit-banged spi with g...