LPC PORT TESTING PROBLEMS
Applies to: uVision Debugger
Answer
Information in this article applies to:
- C51 Version 6.01
- uVision Version 2.01
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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