Part Number: AM3352
Hi
We are using AM3352 processor in our design and TPS65218DO PMIC. As per details provided in doc "SPRABN2–March 2019
" Table 2. RTC, please clarify following points
- VDDS_RTC: If we connect to any 1.8V supply then RTC will not be running once the main supply is off. So can we connect o/p from (PMIC TPS65218DO) DCDC5 to VDDS_RTC?
- CAP_VDD_RTC: If we connect to VDD_CORE, we will not have 1.1V o/p if we change the OPP mode, so can we enable the internal LDO by connecting RTC_KALDO_ENn to VSS?
- RTC_PWRONRSTn: We will AND with PWRONRSTn signal with maintaining voltage level; is it okay?
- PMIC_POWER_EN:We will make it as NC and what to do PWR_EN signal available on TPS65218d0, can we connect to main chain of power sequence of other rails available on-board?
- EXT_WAKEUP: We will connect to VSS; what to do WAKEUP_N signal available on TPS65218do, can we make it as NC?
PGOOD_BU: What to do this signal available on TPS65218do, can we make it as NC?
Please let us know if any special care required to be taken for above stated RTC mode.
Regards,
Nitish
