Question: Failed to enter programming mode. Error code - 1 0 1 2 1 from MPLABCOMM when reading packet: [ The semaphore timeout period has expired.

Failed to enter programming mode. Error code -10121 from MPLABCOMM when reading packet: [The semaphore timeout period has expired.
]
Unable to enter programming mode. Verify device selection, interface settings, target power, security bit, and connections to the target device.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!