Data Sheet

Order code
Board
reference
User
manual
Target STM32 Differentiating features
NUCLEO-L552ZE-Q MB1361 UM2581 STM32L552ZET6QU
• Device-only USB FS on USB Type-C
™
connector
• ST-LINK/V2-1
• Internal SMPS
1.1 Product marking
Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready to be used as reference
design or in production. Any consequences deriving from such usage will not be at ST charge. In no event, ST will
be liable for any customer usage of these engineering sample tools as reference design or in production.
“E” or “ES” marking examples of location:
• On the targeted STM32 that is soldered on the board (for illustration of STM32 marking, refer to the STM32
datasheet “Package information” paragraph at the www.st.com website).
• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.
Some boards feature a specific STM32 device version, which allows the operation of any bundled commercial
stack/library available. This STM32 device shows a "U" marking option at the end of the standard part number
and is not available for sales.
In order to use the same commercial stack in his application, a developer may need to purchase a part number
specific to this stack/library. The price of those part numbers includes the stack/library royalties.
1.2 Codification
The meaning of the codification is explained in Table 2.
Table 2. Codification explanation
NUCLEO-XXYYZT
NUCLEO-XXYYZT-P
NUCLEO-XXYYZT-Q
Description Example: NUCLEO-L496ZG-P
XX MCU series in STM32 Arm Cortex MCUs STM32L4 Series
YY MCU product line in the series STM32L496
Z STM32 package pin count 144 pins
T
STM32 Flash memory size:
• E for 512 Kbytes
• G for 1 Mbyte
• H for 1.5 Mbytes
• I for 2 Mbytes
1 Mbyte
-P STM32 has external SMPS function External SMPS
-Q STM32 has internal SMPS function -
The order code is mentioned on a sticker placed on the top side of the board.
NUCLEO‑XXXXZX NUCLEO‑XXXXZX‑P NUCLEO‑XXXXZX‑Q
Product marking
DB3171 - Rev 9
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