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Problem:
| | The book refers to register banks 1 and 2 for the Interrupt Registers.
This should refer to register banks 0 and 1.
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Solution:
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Page 34 explains how to use the Interrupt Registers and refers to PIE and PIR registers.
In table 2.1, earlier in the book, the PIE registers are called Interrupt Enable registers and the PIR registers are called Interrupt Flag registers.
- The PIE (Interrupt Enable) registers are in register bank 0 (and NOT in register bank 1 as it states on page 34).
- The PIR (Interrupt Flag) registers are in register bank 1 (and NOT in register bank 2 as it states on page 34).
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Further information:
| | I hope that this page helps you with your projects but if you have found any other problems or if you have any further questions please contact me though the email address of gares-AT-g4aym-DOT-org-DOT-uk.
Sorry about the email address but it seems to be the only way to avoid the spammers
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