ST STM32U585 Series Application Note

8.2 Component references
The table below lists the components of STM32U5 reference designs (based on the STM32U5 Nucleo boards):
• including on a STM32U575xx device, without SMPS (see Figure 12)
• including on STM32U575xxQ device, with SMPS (see Figure 13)
Table 9. Components of STM32U575xx reference design
Reference Type Value Quantity Comments
B1 Push-button - 1 -
C4, C6
Ceramic
capacitor
1 µF 2
Decoupling capacitors
C6 used for the internal VREFBUF
C2, C20
Tantalum or
ceramic
capacitor
10 µF 2 Decoupling capacitors required for the package
C1, C3 (x9),
C5,C7, C9,
C10, C12, C17,
C21
Ceramic
capacitor
100 nF 17 For each external power pin
C18, C19
Tantalum or
ceramic
capacitor
2.2 µF
2
Required on each VDD11 pin of packages with
SMPS
C8, C11 4.7 µF
C8 as decoupling capacitor
C11 required by the internal LDO regulator
C13, C14 3.9 pF Used for LSE: the value depends on the
crystal characteristics (refer to the application note
Oscillator design guide for STM8AF/AL/S and
STM32 microcontrollers (AN2867)
C15, C16 6.8 pF
L1 Coil 2.2 µH 1 Required for SMPS packages on VLXSMPS pin
X1
Quartz
32.764 kHz 1 Used for LSE
X2 16 MHz 1 Used for HSE
R1
Resistor 10 KΩ
1 Used to limit the current on VBAT pin
R2, R3, R4 3 Used for the ST-LINK interface
SW1 Switch - 1 Used to select the right boot mode
AN5373
Component references
AN5373 - Rev 1
page 29/37

ST STM32U585 Series Specifications

General

Brand	ST
Model	STM32U585 Series
Category	Computer Hardware
Language	English