AN4661
7.2
Component references
Id
1
2
3
Components
Id
1
2
3
Capacitor
4
Capacitor
5
Capacitor
6
Capacitor
7
Capacitor
8
9
10
connector
11
12
13
Push-button
14
15
Ferrite bead
Table 7. Mandatory components
Component name
Microcontroller
STM32F756NGH6
Capacitor
Capacitor
Table 8. Optional components
Reference
name
Resistor
10 kΩ
Resistor
0 Ω
100 nF
1.5 pF
1 μF
2.2 μF
20 pF
Quartz
25 MHz
Quartz
32.768 kHz
JTAG
HE10-20
Battery
3V
Switch
SPDT
B1
Jumper
3 pins
FCM1608KF
-601T03
DocID027559 Rev 2
Reference
Quantity
1
100 nF
19
4.7 µF
1
Quantity
Pull-up and pull-down for JTAG, BOOT pin, PDR and
6
bypass regulator
– Used as star connection point between V
V
REF+
2
– Used as star connection point between V
and V
DDUSB
5
Ceramic capacitor.
Used for LSE: the value depends on the crystal
2
characteristics.
3
Used for V
DDA
2
Used for internal regulator when it is on.
Used for HSE: the value depends on the crystal
2
characteristics.
1
Used for HSE.
1
Used for LSE.
1
If no external battery is used in the application, it is
1
recommended to connect V
1
Used to select the right boot mode.
1
Reset button
2
Used to select V
1
Additional decoupling for V
Reference design
Comments
TFBGA216 package
Ceramic capacitors
(decoupling capacitors)
Ceramic capacitor
(decoupling capacitor)
Comments
and V
and V
.
REF
DDUSB
-
externally to V
BAT
source, and BYPASS_REG pin.
BAT
DDA
and
DDA
DD_MCU
.
DD
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