Advantech PCI-1739U Instrukcja Użytkownika Pobierz pdf (Strona 10)

PCI-1737U/PCI-1739U User Manual x

4.1 Configuration ................................................................. 26

4.2 8255 Mode 0 Function Definitions ................................ 26

4.2.1 Interrupt Function of the DIO Signals ......................... 27

4.2.2 Input/Output Control .................................................... 27

Table 4.1:Bit map of port configuration register ......... 27

4.2.3 Initial Configuration .................................................... 28

4.3 Interrupt Handling .......................................................... 28

4.3.1 IRQ Level .................................................................... 28

4.3.2 Interrupt Control Register (Base + 8) .......................... 28

Table 4.2:Interrupt control register bit map ................. 28

4.3.3 Interrupt Source Control .............................................. 29

Table 4.3:Interrupt mode bit values ............................. 29

4.3.4 Interrupt Triggering Edge Control ............................... 29

Table 4.4:Triggering edge control bit values ............... 29

4.3.5 Interrupt Flag Bit ......................................................... 30

Table 4.5: Interrupt flag bit values ............................... 30

Appendix A Specifications ................................................. 32

A.1 PCI-1737U ...................................................................... 32

A.2 PCI-1739U ...................................................................... 33

Appendix B Function Block............................................... 36

Figure B.1:PCI-1737U ................................................. 36

Figure B.2:PCI-1739U ................................................. 36

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Advantech PCI-1739U Instrukcja Użytkownika Strona 10