ARM Technical Support Knowledge Articles

LPC PORT TESTING PROBLEMS

Applies to: uVision Debugger

Answer


Information in this article applies to:


SYMPTOMS

It appears that testing a port bit using the the JB and JNB instructions are not simulated correctly for the Philips LPC devices. Specifically, port bits are always evaluated to a 0.

CAUSE

There was a problem with the simulation driver for the LPC devices in early releases of the uVision Debugger.

RESOLUTION

This problem has been resolved in uVision V2.10. You may download the latest updates from the following URL: http://www.keil.com/update/.

Article last edited on: 2004-06-28 10:18:58

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