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U1
list all J4 pins in a table format. For each pin provide its pin number, pin nam...

@copilot list all J4 pins in a table format. For each pin provide its pin number, pin name and function.
1y
Here is the table listing all the pins for the J4 connector:

Table


Pin NumberPin NameFunction
1VTrefVoltage Reference
3GNDGround
5GNDGround
9GNDDetectGround Detection
10RESETReset
8NC/TDINo Connection/Test Data In
6SWO/TDOSingle Wire Output/Test Data Out
4SWDCLK/TCKSerial Wire Debug Clock/Test Clock
2SWDIO/TMSSerial Wire Debug I/O/Test Mode Select
Each pin serves various functions, primarily for debugging and programming purposes. If you need further clarification on these functions or their specific uses in your project, feel free to ask!
1y
1
R7
Resistance
1KΩ
VBAT
VUSB
3V3
C3
Capacitance
4.7uF
R8
Resistance
10KΩ
3V3
3V3
C4
Capacitance
4.7uF
C5
Capacitance
1uF
VBAT
VUSB
R4
Resistance
5KΩ
R6
Resistance
2KΩ
R5
Resistance
5KΩ
VBAT
J1
J3
LED2
U4
IC1
VUSB
SIM_RST
SIM_TX
SIM_RX
SIM_RST
GPS_RX
SWCLK
SIM_TX
SWDIO
GPS_TX
SIM_RX


Pet Tracker Device

Pet Tracker Device thumbnail
This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server #STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #smartHomeDevices #referenceDesign #edge-computing #edgeComputing #stm #template #referenceDesign

Pricing & Availability

Distributor

Qty 1

Arrow

$3.64–$3.78

Digi-Key

$7.39–$8.69

LCSC

$15.16–$15.18

Mouser

$6.99

Verical

$6.26–$7.05

Controls