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16
PCL-849 User's Manual
Interrupt Status Register S1
Bit
Function
0
Port 1
1
Port 2
2
Port 3
3
Port 4
4
Not Used
5
Not Used
6
Not Used
7
Not Used
The user may change the interrupt status address via S1. Please note
that the address decoder will occupy a continuous, 16-byte area
related to the switch setting. For example, if you set the switch to
210H, then the address 210H to 21FH will all be decoded. The
various DIP switch settings (S1) for the interrupt status register are as
shown in the table opposite.
Summary of Contents for PCL-849
Page 1: ...PCL 849 4 Port RS 232 Interface Card...
Page 4: ......
Page 5: ...Chapter 1 Introduction 3 1 Introduction C H A P T E R...
Page 9: ...Chapter 1 Introduction 7 Figure 1 1 Switch and jumper layout...
Page 10: ...8 PCL 849 User s Manual...
Page 11: ...2 Hardware Installation C H A P T E R...
Page 21: ...3 Software Installation C H A P T E R...
Page 31: ...Chapter 4 Wiring 29 4 Wiring C H A P T E R...
Page 35: ...Appendix A PC I O Address Assignments 33 A PC I O Address Reference A P P E N D I X...
Page 37: ...Appendix B Quick Reference 35 B Quick Reference A P P E N D I X...
Page 40: ...38 PCL 846 847 User s Manual...