16 STM32U5A9J-DK product information
16.1 Product marking
The stickers located on the top or bottom side of all PCBs provide product information:
• First sticker: product order code and product identification, generally placed on the main board featuring
the target device.
Example:
Product order code
Product identification
• Second sticker: board reference with revision and serial number, available on each PCB.
Example:
MBxxxx-Variant-yzz
syywwxxxxx
On the first sticker, the first line provides the product order code, and the second line the product identification.
On the second sticker, the first line has the following format: “MBxxxx-Variant-yzz”, where “MBxxxx” is the board
reference, “Variant” (optional) identifies the mounting variant when several exist, “y” is the PCB revision, and “zz”
is the assembly revision, for example B01. The second line shows the board serial number used for traceability.
Parts marked as “ES” or “E” are not yet qualified and therefore not approved for use in production. ST is not
responsible for any consequences resulting from such use. In no event will ST be liable for the customer using
any of these engineering samples in production. ST’s Quality department must be contacted prior to any decision
to use these engineering samples to run a qualification activity.
“ES” or “E” marking examples of location:
• On the targeted STM32 that is soldered on the board (for an 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.
To use the same commercial stack in their applications, the developers might need to purchase a part number
specific to this stack/library. The price of those part numbers includes the stack/library royalties.
16.2
STM32U5A9J-DK product history
Table 35. Product history
Order
code
Product
identification
Product details Product change description Product limitations
STM32U5A9J-DK
DK32U5A9J$AT1
MCU:
• STM32U5A9NJH6Q
silicon revision "C"
Initial revision
The STM32U5A9NJH6Q silicon
revision "C does not support the
SFI. It is embedded by default on
the STM32U5A9J-DK with product
identification DK32U5A9J$AT1.
MCU errata sheet:
• STM32U59xxx and
STM32U5Axxx device
errata (ES0553)
Boards:
• MB1829-U5A9NJQ-
B01 main board
• MB1835-VDD1V8-B01
LCD daughterboard
UM2967
STM32U5A9J-DK product information
UM2967 - Rev 1
page 59/68
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