Debug out port P20 on nrf52840-DK debugging custom board?

Question

Is it enough just to connect from custom board to P20 header(nrf52840-dk) SWDIO, SWCLK, RESET, from custom board GND to P20( GND_DETECT) and power supply to custom board from external supply ( battery)?

gnrboy · Accepted Answer

on P20 are two nRF VDD pins (2.8V DC), on p1 header is VDD pin which have 2.8V DC. One of nRF VDD pins on P20 connect to VTG and other nRF VDD i can use for VCC of custom board? reset? I ask just to confirm because on post you have send me is nrf52 dk board and i use nrf52840 DK

Debug out port P20 on nrf52840-DK debugging custom board?

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