Schematic Diagrams; Figure 4. X-Nucleo-Gnss2A1 Circuit Schematic (1 Of 3) - ST X-NUCLEO-GNSS2A1 User Manual

3

Schematic diagrams

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