J2
C22
Capacitance
100nF
C6
Capacitance
100nF
C19
Capacitance
Capacitance
C10
Capacitance
22pF
C8
Capacitance
Capacitance
C3
Capacitance
100nF
R12
Resistance
10 Ω
C21
Capacitance
100nF
C13
Capacitance
22pF
R9
Resistance
330 Ω
R13
Resistance
0 Ω
R3
Resistance
10KΩ
R2
Resistance
10KΩ
C14
Capacitance
22pF
C12
Capacitance
22pF
R4
Resistance
15KΩ
TR
Resistance
220 Ω
C5
Capacitance
100nF
R10
Resistance
330 Ω
C9
Capacitance
22pF
C2
Capacitance
100nF
C20
Capacitance
Capacitance
C1
Capacitance
4.7uF
R11
Resistance
330 Ω
C4
Capacitance
100nF
C16
Capacitance
Capacitance
R1
Resistance
500 Ω
C7
Capacitance
Capacitance
C15
Capacitance
1uF
C17
Capacitance
Capacitance
C18
Capacitance
Capacitance
C23
Capacitance
100nF
R5
Resistance
500 Ω
R15
Resistance
4.7kΩ
C11
Capacitance
100nF
R14
Resistance
4.7kΩ
OSC_OUT
USB-
J4
SIM_VDD
OSC_IN
USB+
NRST
PB15
HSE_OUT
HSE_IN
POWERKEY
USB-
HSE_IN
SIM_DATA
BOOT1
OSC_IN
VDD_EXT
GSM
USB_IN
SIM_VDD
P3
BOOT1
GPS_ANT
SIM_RST
USB+
HSE_OUT
VBG
BOOT0
RXD
PWRKEY
VBG
TXD
SIM_DATA
PB15
SIM_CLK
VDD_EXT
OSC_OUT
GSM_ANT
USB_IN
SWCLK
SIM_CLK
RXD
J5
GPS
SWDIO
TXD
SIM_RST
VIN
BOOT0
U2
Q1
U1
R6
Resistance
Resistance
LED3
R7
Resistance
Resistance
R8
Resistance
Resistance
L1
Inductance
100nH
J3
LED4
LED2
SW1
Y1
Y2
J1
LED1
Not Recommended for New Designs
LED5