10.3 Board revision history
Table 31. Board revision history
Board reference Board variant and revision Board change description Board limitations
MB1551
MB1551-U585AI-C02 Initial revision
• JTAG is exclusive with
USB Type-C
®
.
• The CN17, CN16, CN14,
and CN13 female headers
of the ARDUINO
®
Uno V3
connector need to be carefully
manipulated. The user must
carefully remove the inserted
shield from the ARDUINO
®
connector to avoid breaking
the ARDUINO
®
connector or
damaging the ARDUINO
®
shield.
• CN4 Pmod
™
cannot be used
at the same time as CN3
STMod+.
MB1551-U585AI-D01
• Bluetooth
®
Low Energy
programmable now using
onboard STLINK-V3E
• Switch added on BOOT0 to
select the Boot mode
• Possibility to enable or shut
down the STSAFE added
• Octo‑SPI signal integrity
improved by resistors added on
the MCU clock and chip select
outputs
• Bluetooth
®
Low Energy module
footprint updated to the reflow
soldering
MB1551-U585AI1-D01
• Bluetooth
®
Low Energy
programmable now using
onboard STLINK-V3E
• Switch added on BOOT0 to
select the Boot mode
• Possibility to enable or shut
down the STSAFE added
• Octo‑SPI signal integrity
improved by resistors added on
the MCU clock and chip select
outputs
• Bluetooth
®
Low Energy module
footprint updated to improve
the reflow soldering
• VEML6030 replaced by
VEML3235
UM2839
Board revision history
UM2839 - Rev 4
page 45/54
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