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Figure 5. X-NUCLEO-GNSS2A1 circuit schematic (2 of 3)
NUCLEO CONNECTORS
CN7 of NUCLEO BOARD
CN8 of NUCLEO BOARDCN6 of NUCLEO BOARD
CN10 of NUCLEO BOARD
CN5 of NUCLEO BOARDCN9 of NUCLEO BOARD
{Default}
{Default}
{D8 = PA9: STM32 USART1_TX}
{Default}
{Default}
{Default}
{Default}
{Default}
{Default}
+3V3
+3V3
IOREF
GND
RX
I2C_CLOCK
I2C_DATA
+VCC_IO
SYS_FWD
SYS_WHEELTICK
SYS_RESETn
TX
SYS_WAKEUP SYS_PPS
SYS_IRQ
J28
1 2
HEADER1X3
3
JR17
NM
CN10
1
ST morpho
2
3 4
5 6
7 8
9 10
11 12
1314
15 16
17 18
19 20
21 22
23 24
25 26
2728
29 30
31 32
3334
35 36
3738
CN6
1
Arduino
2
3
4
5
6
7
8
J11
1
HEADER1x2
1
Closed
2
2
J24
1 2
HEADER1X3
3
CN5
1
Arduino
2
3
4
5
6
7
8
9
10
CN8
1
Arduino
2
3
4
5
6
JR9
J26
SHUNT 2.54 mm.
1 2
HEADER1X3
3
CN9
1
Arduino
2
3
4
5
6
7
8
J23
1 2
HEADER1X3
3
J12
HEADER1x2
1
1
Closed
2
2
JR13
NM
CN7
1 2
ST morpho
3 4
5 6
7 8
9 10
11 12
13 14
1516
17 18
1920
21 22
23 24
25 26
27 28
29 30
31 32
3334
35 36
37 38
J25
1 2
HEADER1X3
3
JR11
SHUNT 2.54 mm.
JR12
SHUNT 2.54 mm.
JR19
SHUNT 2.54 mm.
JR18
J29
SHUNT 2.54 mm.
1 2
HEADER1X3
3
J30
1 2
HEADER1X3
3
JR2
J27
SHUNT 2.54 mm.
1 2
HEADER1X3
3
JR16
SHUNT 2.54 mm.
JR4
PC11
PD2
SHUNT 2.54 mm.
E5V
GND
IOREF
RESET
+3V3
+5V
GND
GND
VIN
PA0A0
PA1 A1
PA4 A2
PB0A3
PC1 A4
PC0 A5
D7 PA8
D5/PWMPB4
D6/PWMPB10
D4 PB5
PB3D3/PWM
D2 PA10
D1/RX PA2
D0/TXPA3
PC10
PC12
VDD
BOOT0
NC/PF6
NC/PF7
PA13
PA14
PA15
GND
PB7
PC13
PC14
PC15
PH0/PF0/PD0
PH1/PF1/PD1
PC2
VLCD/VBAT
PC3
PC8
PC6
PC5
U5V
PD8
PA12
PA11
PB12
PB11/NC
GND
PB2
PB1
PB15
PB14
PB13
AGND
PC4
NC/PF5
NC/PF4
PB8D15/SCL
PB9D14/SDA
AVDD
GND
PA5D13/SCK
PA6D12/MISO
PA7D11/MOSI/PWM
PB6D10/CS/PWM
PC7D9/PWM
D8 PA9
PC9
D15/SCL
D14/SDA
RX
D6/PWM
D7 D8
SHUNT 2.54 mm.
{Default}
D4
D9/PWM
D4
SHUNT 2.54 mm.
{Default}
D7
D13/SCK
D8
SYS_WAKEUP
D1/RX
D0/TX D2
D2D6/PWM
SYS_PPS
{D2 = PA10: STM32 USART1_RX}
TX
D13/SCK D9/PWM
SYS_IRQ
UM3020 - Rev 1
page 10/21
UM3020
Schematic diagrams