ZHCSKS2E april 2020 – june 2023 DRA821U , DRA821U-Q1
PRODUCTION DATA
Power is supplied to the Phase-Locked Loop circuitries (PLLs) by internal regulators that derive their power from off-chip power sources.
There are total of three PLLs in the device in WKUP and MCU domains:
There are total of ten PLLs in MAIN domain:
For more information, see:
The input reference clock (OSC1_XI/OSC1_XO) is specified and the lock time is ensured by the PLL controller, as documented in the Device Configuration chapter in the device TRM.