Applicability

This document applies to the part numbers of STM32L552xx/562xx devices and the device variants as stated in this page.

It gives a summary and a description of the device errata, with respect to the device datasheet and reference manual RM438.

Deviation of the real device behavior from the intended device behavior is considered to be a device limitation. Deviation of the

description in the reference manual or the datasheet from the intended device behavior is considered to be a documentation

erratum. The term “errata” applies both to limitations and documentation errata.

Table 1. Device summary

Reference Part numbers

STM32L552xx

STM32L552CE, STM32L552CC, STM32L552ME, STM32L552QC, STM32L552QE, STM32L552RC,

STM32L552RE, STM32L552VC, STM32L552VE, STM32L552ZC, STM32L552ZE

STM32L562xx STM32L562CE, STM32L562ME, STM32L562QE, STM32L562RE, STM32L562VE, STM32L562ZE

Table 2. Device variants

Reference

Silicon revision codes

Device marking

(1)

REV_ID

(2)

STM32L552xx/562xx

A 0x1000

STM32L552xx/562xx B 0x2000

STM32L552xx/562xx Z 0x2001

1. Refer to the device datasheet for how to identify this code on different types of package.

2. REV_ID[15:0] bitfield of DBGMCU_IDCODE register.

STM32L552xx/562xx device errata

STM32L552xx STM32L562xx

Errata sheet

ES0448 - Rev 9 - September 2023

For further information contact your local STMicroelectronics sales office.

www.st.com

1 Summary of device errata

The following table gives a quick reference to the STM32L552xx/562xx device limitations and their status:

A = limitation present, workaround available

N = limitation present, no workaround available

P = limitation present, partial workaround available

“-” = limitation absent

Applicability of a workaround may depend on specific conditions of target application. Adoption of a workaround

may cause restrictions to target application. Workaround for a limitation is deemed partial if it only reduces the

rate of occurrence and/or consequences of the limitation, or if it is fully effective for only a subset of instances on

the device or in only a subset of operating modes, of the function concerned.

Table 3. Summary of device limitations

Function Section Limitation

Status

Rev.

Core

2.1.1

Floating-point state can be incorrectly cleared on some exception

return faults

N N N

2.1.2

Access permission faults are prioritized over unaligned Device

memory faults

N N N

System

2.2.1 Full JTAG configuration without NJTRST pin cannot be used A A A

2.2.2 Overconsumption in Stop 2 mode A - -

2.2.3 PWR_SRR register is not secure N - -

2.2.4

SDMMC1SMEN bit of RCC_AHB2SMENR register only modifiable

with word access

A - -

2.2.5 HSE oscillator long startup at low voltage P P P

2.2.6 SMPS step down converter low-power mode N - -

2.2.7 Unstable LSI when it clocks RTC or CSS on LSE P - -

2.2.8

Regulator startup failure at low V

N - -

2.2.9 Voltage scaling range not selectable in SMPS bypass mode P - -

2.2.10 Read of Bank 2 while writing may give unpredictable results N - -

2.2.11 USB, CRS and UCPD may not wake properly from Stop 2 N - -

2.2.12 Low-power run mode not transiting to “Standby with” modes A - -

2.2.13

PA15_PUPEN option bit setting inhibits the UCPD dead battery pull-

down resistor on PB15

A - -

2.2.14 Spurious setting of PC1 as secure N - -

2.2.15 Missing GPIOs on UFBGA132 and WLCSP81 packages N - -

2.2.16 SMPS regulation loss upon transiting into SMPS LP mode P P -

2.2.17 Unpredictable SMPS state at power-on - N -

2.2.18

FLASH_ECCR corrupted upon reset or power‑down occurring during

flash memory program or erase operation

A A A

2.2.19 SRAM write error A A A

2.2.20

Corrupted content of the backup domain due to a missed power-on

reset after this domain supply voltage drop

A A A

2.2.21 LSE crystal oscillator may be disturbed by transitions on PC13 N N N

GPIO 2.3.1

GPIO assigned to DAC cannot be used in output mode when the

DAC output is connected to on-chip peripheral

N N N

STM32L552xx STM32L562xx

Summary of device errata

ES0448 - Rev 9

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