You can use GLOBAL_EN to delay boot until the +5v is stable. Looking at the scope traces I would also suggest some more capacitance on the +5v rail.
Are you using an external SDCARD to boot from ? does it have the SDCARD power switch ?
Are you using an external SDCARD to boot from ? does it have the SDCARD power switch ?
Statistics: Posted by dp11 — Wed Jan 08, 2025 10:46 pm