Module4
Voltage Regulator Current Limit Module 3.3V Out
Module3
Voltage Regulator SMPS 3.3V Out
Module6
External Flash Module
U1
Module5
SD Card Module
Module2
Power Source Selector Module
Module1
Crystal Oscillator (12 MHz) Module
C10
Capacitance
0.1µF
STORAGE & FLASH
C12
Capacitance
0.1µF
C13
Capacitance
0.1µF
R7
Resistance
27.4 Ω
C6
Capacitance
0.1µF
C8
Capacitance
0.1µF
R15
Resistance
50 Ω
R8
Resistance
27.4 Ω
C2
Capacitance
0.1µF
C4
Capacitance
0.1µF
C7
Capacitance
0.1µF
DECOUPLING CAPACITORS 1.1V
Line 1
Place as close as possible to the MCU 1.1V lines - DVDD and GND pins
C9
Capacitance
0.1µF
R19
Resistance
1.5kΩ
CONTROL CIRCUIT (MCU)
C11
Capacitance
0.1µF
MOUNTING HOLES
C3
Capacitance
0.1µF
R16
Resistance
50 Ω
LED1
Color
Green
C1
Capacitance
1µF
C5
Capacitance
1µF
04_19
