
8
Limitation
8.1
RSS/bootloader limitation
Issue observed:
The STM32L5 part soldered on NUCLEO-L552ZE-Q that embeds the bootloader V9.0 is affected by the
limitations described in
Proposed workaround:
Refer to
to detail workaround.
Parts impacted:
This applies only to the NUCLEO-L552ZE-Q with the finished good (FG)
NUL552ZEQ$AU1
(Sticker available on
the top side of the board).
8.2
SMPS limitation
Issue observed:
The STM32L5 part soldered on NUCLEO-L552ZE-Q embeds an internal SMPS. The sample revision rev B
embeds two SMPS limitations:
SMPS regulation loss upon transiting into SMPS LP mode
, and
Unpredictable SMPS state at power-on
. Refer to errata sheet
STM32L552xx/562xx device errata
(ES0448) for
more details.
Proposed workaround:
Refer to errata sheet
STM32L552xx/562xx device errata
(ES0448).
Parts impacted:
This applies only on the NUCLEO-L552ZE-Q with the finished good (FG)
NUL552ZEQ$AU1
(Sticker available on
the top side of the board).
UM2581
Limitation
UM2581
-
Rev 2
page 40/48