3
Schematic diagrams
Figure 4.
X-NUCLEO-GNSS2A1 circuit schematic (1 of 3)
GNSS Module
Battery
SMD0402
SMD0603
SMD0603
SMD0603
SMD0603
SMD0603
SMD0603
SMD0603
ODO Connector
SMD0402
+VCC_IO
Battery Holder (CR2032)
+VCC_IO
+VBatt
GND
GND
GND
GND
+VBatt
GND
+VCC_IO
GND
GND
GND
GND
+VCC_IO
SYS_RESETn
TX
SYS_WAKEUP
RX
I2C_CLOCK
I2C_DATA
AntOFF
RF_IN
VCC_RF
SYS_FWD
SYS_WHEELTICK
SYS_IRQ
SYS_PPS
C14100pF
R10
330E
D3
Green_LED
J16
1
2
3
4
con4-strip-male
D5
BAT20J
R38
0E
J14
HEADER1x2
1
1
Closed
2
2
R8
330E
R11
0E
R420E
D2
Red_LED
R2
R1
Q1
1
2
MUN2214T1G
3
R44
0E
R41
0E
R37
0E
R33
NM
R40
0E
R390E
C13100nF
R36
0E
JR14
R35
0E
SHUNT 2.54 mm.
JR15
TP1
R43SHUNT 2.54 mm.0E
J15
HEADER1x2
1
1
Closed
2
2
D1
BAT20J
U1
1
TESEO-VIC3DATR
WakeUp
2
Reserved
PPS
3
4
WHEELTICK
5
IRQ
6
Reserved_1
7
Reserved_2
8
nReset
9
VCC_RF
GND
10
11
RF_IN
GND
12
GND
13
14
AntOFF
FWD
15
16
Reserved_3
17
Reserved_4
18
I2C_SDA
19
I2C_SCL
20
UART-TX
21
UART-RX
22
V_BAT
VCC
23
GND
24
VL1
NM
R9
0E
PPS
RESETn
SYS_RESETn
SYS_WAKEUP
WAKEUP
RX
UART_TX
TX
I2C_SDA
I2C_SCL
I2C_DATA
I2C_CLOCK
UART_RX
UART_TX
UART_RX
I2C_SCL
I2C_SDA
WAKEUP
PPS
AntOFF
RF_IN
RESETn
VCC_RF
FWD
WHEELTICK
FWD
WHEELTICK
IRQ
FWD
SYS_FWD
WHEELTICK
IRQ
SYS_WHEELTICK
SYS_IRQ
PPS
SYS_PPS
UM3020
-
Rev 1
page 9/21
UM3020
Schematic diagrams
