DALLAS 390 HANGS ON MATH OPERATIONS
Applies to: C51 C Compiler
Answer
Information in this article applies to:
- C51 All Versions
QUESTION
The Dallas 390 hangs when I try to use multiply, divide or shift operations. What's wrong?
ANSWER
You may have the On-Chip Arithmetic Accelerator enabled and are calling math functions from an interrupt routine. Math operations using the Dallas 390 math accelerator are not reentrant.
SEE ALSO
- C51: DALLAS 390 MATH ACCELERATOR OPERATIONS
- C51: REENTRANCY ISSUES WITH THE DALLAS 390 MATH ACCELERATOR
Article last edited on: 2005-10-06 16:54:39
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