ICD1 question

[Haplo]

Hi all,
I've noticed if I program a chip using ICD1 (debug mode disabled) and the disconnect the ICD connection from the target circuit without powering it down, the code starts running immediately in the target chip. My question is, is it safe to disconenct the ICD1 from the target circuit without powering it down first? Thanks.

Ali
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This message was ported from CCS's old forum
Original Post ID: 144516664

[Douglas Kennedy]

:=Hi all,
:= I've noticed if I program a chip using ICD1 (debug mode disabled) and the disconnect the ICD connection from the target circuit without powering it down, the code starts running immediately in the target chip. My question is, is it safe to disconenct the ICD1 from the target circuit without powering it down first? Thanks.
:=
:=Ali

The ICD1 holds MCLR down when connected and not debugging. The disconnect releases MCLR allowing it to be pulled up by the target circuit and the code to start running just as if it had been reset. I've had no problem with this but I suppose there could be some transients on B6 B7 B3 and Vdd Vss.
You probably know that you can leave the debug statement #device *=16 CCSICD=TRUE in your your code and by using the tools option to run ICD you will get the same result when you disconnect the ICD.
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This message was ported from CCS's old forum
Original Post ID: 144516667