I am trying to use J-Link to debug my custom board with arm microcontroller - LPC2148FBD64-S.
I am using SEGGER J-Link Commander V6.20h with Firmware: J-Link Pro V4.
S/N : 174403384
When trying to use the JTAG debugger I get the error - Could not measure total IR len. TDO is constant high.
I do read Vtref close to 3.3V as expected.
So, when I couldn't get the JTAG to communicate with the board, I tried SWD and this time Jlink driver tries to download the application on the board, but it just gets stuck in the reset handler and I just see the debugger stopping at the reset vector line of code in my cstartup file.
Also find attached the debug log when I used the SWD.
SWD.txt
Do you have any suggestions for a fix or what the problem might be?
Thanks.
I am using SEGGER J-Link Commander V6.20h with Firmware: J-Link Pro V4.
S/N : 174403384
When trying to use the JTAG debugger I get the error - Could not measure total IR len. TDO is constant high.
I do read Vtref close to 3.3V as expected.
So, when I couldn't get the JTAG to communicate with the board, I tried SWD and this time Jlink driver tries to download the application on the board, but it just gets stuck in the reset handler and I just see the debugger stopping at the reset vector line of code in my cstartup file.
Also find attached the debug log when I used the SWD.
SWD.txt
Do you have any suggestions for a fix or what the problem might be?
Thanks.
The post was edited 1 time, last by burn ().