Technical description Chapter 9
PA 3110
35
9.2 Interrupt
9.2.1 Interrupt routine under DOS and Windows 3.11
a) Flow chart for DOS, Windows 3.11 and Windows NT / 95 (asynchronous mode)
Interrupt mask
Interrupt routine
Begin
Interrupt routine
End
DMA conversion
cycle is completed.
Save buffer
Timer 2 has run
down
Interrupt mask = 8
Interrupt mask = 16
Conversion driven
by timer is
completed.
Save buffer
End of
conversion(EOC).
Save buffer
Interrupt mask = 2
Interrupt mask = 1
Watchdog has run
down
Interrupt mask = 32
Conversion driven
by EOC is
completed.
Save buffer
Interrupt mask = 4
Summary of Contents for ADDIALOG PA 3110
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