Specifications

Appendix D
– 33 – PCI-1762 User’s Manual
Advantech Co., Ltd.
www.advantech.com
Appendix D
D. Flow Chart
To write a command or confirm the command status, please follow
the follow chart below.
Interrupt Enable Start
Initial Sethug:
1. I n terrupt clear (IDOCLR or ID8CLR = “1”)
2. Interrupt enable (IDOEN or ID8EN = “1“)
3. Triggering edge control (Rising: IDORF or
ID8RF = “O” Fallin g: IDORF or ID8RF = “1“)
NO
YES
IDI0 or IDI8 has an
INT signal, or not.
Interrupt Service Routing:
1. Intenupt disable (IDOEN or ID8EN = “O”)
2. Read interrupt status from IDOF or ID8F
(No interrupt: IDOF or ID8F = “O”
I nt erru pt occur: IDOF or ID8F = “1“)
3. Interrupt clear (IDOCLR or ID8CLR = “1”)
4. P rocessing desired
5. Interrunt enable (IDOEN or ID8EN = “1”)
Interrupt Enable Ending