Search found 3 matches

by tchapin
Wed Jan 17, 2024 6:51 pm
Forum: Hardware
Topic: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration
Replies: 4
Views: 12131

Re: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration

Hi Michael, 1. The normal temperature we are testing under is room temperature which for us is around 20-22C. After heating the board in a curing oven, the board temperature reads no higher than 35C. The testing atmosphere doesn't change so it is tested again after being heated up in a 20-22C ambien...
by tchapin
Tue Jan 16, 2024 2:24 pm
Forum: Hardware
Topic: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration
Replies: 4
Views: 12131

Re: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration

Hi, I can provide more details for you. 1. We are using IDF version 5.1.2 and also have tried master on commit (b3f7e2c8a). Both showed the same issue. 2. As of right now, it is only a few of the modules we have. The thing is though, that we can not confirm if the other modules have the same issue 1...
by tchapin
Mon Jan 15, 2024 6:36 pm
Forum: Hardware
Topic: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration
Replies: 4
Views: 12131

BBPLL Calibration never finishes in second stage bootloader in RTC Configuration

We are experiencing issues with our ESP32-S3-WROOM-1 modules, they are hanging in the bootloader and then resetting, then repeat. The ESP32-S3 modules are blocking in the second stage bootloader and being continuously reset by TG0WDT. We have narrowed the issue down to the rtc_clk_bbpll_configure() ...