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143
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2
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Last activity 2017-09-05 15:37:25 +0100 by md9981

nRF52832 Bare Chip programming

Hello, I want to program the bare nRF52832 MCU over SWDIO, SWCLK, GND and +3,3V Connections with a Segger J-Link programmer. Unfortunately the programmer could not connect to the target mcu. Does the nRF52832 MCU Need any other external ... (more)

228
views
2
votes
2
answers
Last activity 2017-08-12 12:12:39 +0200 by slowcoder

Minimum clock speed for SWD?

We're trying to bit-bang SWD to program an nRF52832, and we're running into some problems getting the nRF52 to respond. One theory is we're not generating a high enough clock speed. Right now we're using a ... (more)

71
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2
votes
1
answer
Last activity 2017-08-01 16:50:57 +0100 by Nguyen Hoan Hoang flag of Canada

SWD Interface sharing between nRF52 and MCU

We have an nRF52832 and an MSP430 on a custom board. We would like to program both the devices using SWD interface.

Would it be possible that both these devices can share the same SWDCLK pin? ( and using a jumper ... (more)

623
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3
votes
2
answers
Last activity 2017-06-29 09:40:05 +0200 by Artem Efremov

Error when programming a custom board using nRF52-DK [closed]

Dear colleagues,

I am trying to erase / program the custom board ( with nRF52832 SoC installed) using nRF52-DK. The setup looks like that:

nRF52-DK Custom / External Board

VDD ------+-------------> VDD

VTG ----+/

GND ------------------------> GND

GND DETECT -----/

SWD IO -----------------> SWD IO

SWD CLK ----------------> SWD ...

(more)

135
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1
vote
1
answer
Last activity 2017-06-13 14:31:34 +0100 by Kristin flag of Norway

ESD protection and programming on customized PCB

I am currently designing a customized pcb with the nrf52832 with other two sensors. I have two questions related with the design:

  1. I know that the nrf52832 has the HBM ESDprotection, but is this enough when the chip is added ...

(more)

736
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3
votes
4
answers
Last activity 2017-06-02 19:07:14 +0200 by gamnes

Using SWD with nRF52832 via custom software

Hello all,

I need to program nRF52 via the SWD pins. I cannot use the nrfjprog or J-link or Segger etc. I have connected 3 wires to the nRF52 - SWCLK, SWDIO and GND.

These wires are now driven by a ... (more)

82
views
2
votes
1
answer
Last activity 2017-04-07 18:29:02 +0100 by rastik flag of Czech Republic

Cannot boot after power off/on

I'm trying to program Sparkfun nRF52832 board using SWD (via nRF52 DK). I've erased original bootloader/softdevice/app and programmed S132 and my app. The app works, but only until power is disconnected and connected again.Then the ... (more)

68
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no
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no
answers
Last activity 2017-03-28 12:40:37 +0200 by bluelife

i can't reach main function.

image description

this is capture image.

what does that happen?

The debugger is I-Jet and debugging via SWD.

The connection did below. and I'll assume the red line is number one. I made it based on the debugger.

  1. First line -> Power ...
(more)

490
views
no
votes
2
answers
Last activity 2017-03-22 19:02:28 +0100 by daguro

programming nRF52832 via SWD

I am trying to program an nRF52832 on an nRF52DK via the Debug in port (P18).

I am driving it with an STM32L073.

Should I put the nRF52832 into reset via the Debug in port before attempting to reset the ... (more)

307
views
3
votes
2
answers
Last activity 2016-12-19 14:58:47 +0200 by Nguyen Hoan Hoang flag of Canada

nrfjprog supported SWD devices

I'm trying to flash the nrf52832 with a SWD debugger called Atmel Ice. As a reference, I have the Laird BL652 dev board.

I was planning on flasihg the nrf52832 by using the nrfjprog on Linux.

It seems that ... (more)

6k
views
6
votes
3
answers
Last activity 2016-12-01 11:46:11 +0200 by Shriram

Programming nRF52 with OpenOCD

Hi, I have a BMD-300 (nRF52) module that I'm attempting to program with OpenOCD and an ST-link from Linux (it worked great for nRF51 so I was trying to keep the same tools).

$OPENOCD/src/openocd -s $OPENOCD/tcl ...
(more)

597
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2
votes
2
answers
Last activity 2016-11-29 16:33:55 +0200 by Algocraft

nRF52832 production programming

Hello!

nRF52832 IC supports programming OTA the first time after its soldered onto a custom design?

We are designing a very small form factor wearable product and would like to avoid having programming connectors on the product board.

TIA

207
views
1
vote
1
answer
Last activity 2016-11-22 12:51:54 +0200 by Bjørn Spockeli flag of Norway

Can I debug BMD300 through SWD interface

Hi developers,

I am trying to collect data from an AFE (ADS1298) and could get some values. Inorder to check the accuracy I need to plot this value. I am programming this external board using PCA10040 nRF 52DK. I did ... (more)

1k
views
2
votes
1
answer
Last activity 2016-06-18 09:43:34 +0200 by Inspectron flag of Switzerland

JLink Info: Could not power-up debug power domain.

image descriptionHi all,

until now, I used nRF51 Chips on my board. I programed them trough the nRF51DK(PCA10028). But now I would like to work with nRF52832 Chip. I have a nRF52DK(PCA10040) and an application which is working fine ... (more)

676
views
no
votes
no
answers
Last activity 2016-05-02 22:43:18 +0200 by Ratatoskr

nRF52 - SWD - ICSP

//Hi Everyone! //I am programming a nRF52832 through the SDW interface and am having trouble answering some questions.

//So, first off is simply checking my understanding of the programming flow.

power chip //apply power to device.

// I have seen some ... (more)

1k
views
no
votes
1
answer
Last activity 2016-01-30 14:55:53 +0200 by Anunnaki

nRF52832 chip erase failed

Hello,

After i uploaded a program on my nRF52832 i couldn't enter debug or reprogram the chip. This is the error i get when trying to erase the chip using Segger J-Flash Lite (I get the same error while ... (more)

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