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AN3216 датащи(PDF) 28 Page - STMicroelectronics

номер детали AN3216
подробное описание детали  Getting started with STM32L1xxx hardware development
PDF  33 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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AN3216 датащи(HTML) 28 Page - STMicroelectronics

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Reference design
AN3216
28/33
DocID17496 Rev 7
7.2
Component references
Table 5. Mandatory components
Reference
Components name
Value
Quantity
Comments
U1A
Microcontroller
STM32L152VB(T6)
1
100-pin package
C5, C10, C11,
C12, C13, C14
Capacitor
100 nF
3 ... 6
Ceramic capacitors (decoupling
capacitors)
C9
Capacitor
10 µF
1
Ceramic capacitor (decoupling
capacitor)
C4, C6
Capacitor
1 µF
2
Ceramic capacitor (LCD booster or
decoupling capacitor)
Table 6. Optional components
Reference
Components name
Value
Quantity
Comments
R2, R4, R5,
R7, R8
Resistor
10 k
Ω
9
Pull-up and pull-down for JTAG and
Boot mode.
R6
Resistor
390
Ω
1
Used for HSE: the value depends on the
crystal characteristics.
R1
Resistor
x
Ω
1
Used for LSE: the value depends on the
crystal characteristics.
This resistor value depends on the
chosen crystal (refer to application
note AN2867).
R3
Resistor
0
Ω
1
For low pass filter
C3, C15
Capacitor
100 nF
2
Ceramic capacitors (decoupling
capacitors)
C1, C2
Capacitor
6.8 pF
2
Used for LSE: the value depends on the
crystal characteristics. Fits for MC-306
32.768K-E3, which has a load
capacitance of 6 pF.
C7, C8
Capacitor
20 pF
2
Used for HSE: the value depends on the
crystal characteristics.
X2
Quartz
8 MHz
1
Used for HSE
X1
Quartz
32 kHz
1
Used for LSE
CN1
JTAG connector
HE10
1
SW1, SW2
Switch
2
Used to select the right boot mode
B1
Push-button
1
L1
Ferrite bead
1
For EMC reduction on VDDA supply



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