Figure 35. Device High Voltage Power-Ground Network - STMicroelectronics SPC572L series Reference Manual

RM0400
Main regulator uses dedicated reference supplied by VDD_HV_PMC.
9.1.3.2 SPC572Lx power management controller integration
The power management controller has two separate supplies:
•
VDD_HV_PMC: provides the main module supply to the power management controller
• VDD_HV_IO_MAIN: provides the low voltage ballast supply.
Note: The internal ballasts are distributed around the device to reduce the temperature gradient
on the silicon.
VDD_HV_PMC should always be shorted with VDD_HV_IO_MAIN externally.
High Voltage
Power / Ground network
pin19/15
(VDD_LV_CORE)
pin101/81
pin20/16
pin20/16
pin20/16
BALLAST
pin20/16
BALLASTx2

Figure 35. Device high voltage power-ground network

VDD_HV_IO_MAIN
VDD_HV_IO_ETH
VDD_HV_IO_JTAG
VSS_HV_IO
POWER BAR - pin 85/67 (VDD_HV_IO_MAIN)
FLASH
S/Dn
REF
DocID027809 Rev 4
VDD_HV_PMC VDD_HV_ADV
VSS_HV_PMC VSS_HV_ADV
VDD_HV_FLA VDD_HV_ADR
VSS_HV_FLA VSS_HV_ADR
PMC
IRCOSC
XOSC
SAR
SARn
REF
Power management
pin 68(100 pin only)
pin 55/45
(VDD_HV_IO_JTAG)
pin101/81
(VSS_HV_IO)
pin 52/42
pin101/81
pin 51/41
BALLAST
221/2058
236