Toshiba CD332 User Manual page 27

Toshiba change detect dc input module user's manual
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5. Programming
At the first scan, initializes the status of the CD332. − Important
End of the main program
Resets the interrupt flag and confirms the interrupt factor. − Important
Processing program for each interrupt factor
(Subroutine call can also be used)
End of the interrupt program
NOTE
When the Direct I/O instruction for the CD332 is executed, the internal
interrupt flag of the CD332 is reset. Therefore, do not use the Direct I/O
instruction for the CD332 on the main program, except
above.
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User's Manual

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