6.2
Component references
Component
Microcontroller
Capacitor
Capacitor
Component
Resistor
Capacitor
Capacitor
Capacitor
Capacitor
Quartz
Quartz
Push-button
SWD connector
AN5673 - Rev 2
Table 4.
Mandatory components
Reference
Value
U1
STM32C031CxT
C1
100 nF
C6
4.7 μF
Table 5.
Optional components
Reference
Value
R1
390 Ω
C4
100 nF
C5
100 nF
C7/C8
10 pF
C9/C10
20 pF
X1
8 MHz
X2
32 kHz
B1
-
CN1
FTSH-105-01-L-DV
Component references
Quantity
Comments
1
48-pin package
1
Ceramic capacitors (for decoupling)
1
Used for VDD
Quantity
Comments
Used for HSE, the value depends on
1
the crystal characteristics
1
Ceramic capacitor for RESET button
1
Ceramic capacitors (for decoupling)
Used for LSE, the value depends on
2
the crystal characteristics
Used for HSE, the value depends on
2
the crystal characteristics
1
Used for HSE
1
Used for LSE
1
Used as reset button
1
Used for program/debug
AN5673
page 26/32
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