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Forum Post: AM2432: AM2432BSFFHIALXR; AM2432-ALX package, Power on sequencing

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Part Number: AM2432 Tool/software: Hi, In my custom design I am using AM2432BSFFHIALXR package IC. I have attached the below Image my MCU Reset pins schematic. Due to the space constrain we have not use the MCU Reset Inputs voltage monitoring section of PROC109 LP AM243 schematic page no:10. For power supply the AM2432, we are using LP87334DRHDR PMIC IC. I am getting the proper output on PMIC and I have checked the AM2432ALX MCU power rails, But due to some reset logic characteristic of MCU_PORz The MCU is not able to communicate with Boot mode selections. We are facing the difficulties on MCU power on. Is it recommended to follow the LP Reset inputs voltage monitoring or we can play with pull up / down function for MCU reset sections. Please guide as we are struggling to power on the MCU.

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