1 Features
• STM32L552ZET6QU microcontroller (Arm
®
Cortex
®
-M33 at 110 MHz) in LQFP144 package, featuring
512 Kbytes of Flash memory and 256 Kbytes of SRAM
• Internal SMPS to generate V
core
logic supply, identified by '-Q' suffixed boards
(1)
• USB FS
• 3 user LEDs
• RESET and USER push-buttons
• 32.768 kHz crystal oscillator
• Board connectors:
–
USB Type-C
™
connector
– SWD
–
ARDUINO
®
Uno V3 expansion connector
– ST morpho expansion connector
• Flexible power-supply options: ST-LINK, USB V
BUS
or external sources
• On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, Virtual
COM port, and debug port
• Comprehensive free software libraries and examples available with the STM32CubeL5 MCU Package
• Support of a wide choice of Integrated Development Environments (IDEs) including IAR
™
, Keil
®
, and
STM32CubeIDE
1. SMPS significantly reduces power consumption in Run mode, by generating V
core
logic supply from an internal DC/DC
converter.
Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
UM2581
Features
UM2581 - Rev 2
page 2/48
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