Closed kaolpr closed 5 years ago
Connect EN pin of IC1 to MMC. It will allow full control over power supply sequence. Now P5V0 must be present prior to 1V, 1V5, 1V8 and 3V3 what means that P3V3 is also present prior to those voltages.
added
Connect EN pin of IC1 to MMC. It will allow full control over power supply sequence. Now P5V0 must be present prior to 1V, 1V5, 1V8 and 3V3 what means that P3V3 is also present prior to those voltages.