Laird Vela IF820, User Manual

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Table 2: Configuration switches and jumpers
Connector Descriptions
J1,J2,J3
1” dual row header pins for connecting the Vela IF820 IO pins to on DVK peripherals
SW1 Button for user interaction with Vela IF820
SW2
Recovery button, used in combination with the reset button to ensure user can program the Vela IF820 over
the HCI UART.
SW301 Reset button for Vela IF820
J6
for user control the power source
J6 with jumper -- USB 5V source
J6 open -- user can use external source connect to J6
J9 Current measurement header for Vela IF820
J4 Current measurement header for Vela IF820 VBAT
J5 Current measurement header for Vela IF820 VDDIO
J8 Header exposing RP2040 VDDIO
J7
TAG connector (TC2030) for programming the RP2040
Default not fitted
SW4 Reset button for RP2040
SW3 For firmware programming to RP2040
P202 Qwiic connector connected with Vela IF820 for I
2
C interface
J201, J202 mikroBUS connector provides SPI, I
2
C, HCI UART, GPIO, Reset interface connected with Vela IF820
P900 Micro USB connector