Acces I/O products PCI-DIO-48S, User Manual

Page 1: ...3 Roselle Street San Diego CA 92121 858 550 9559 FAX 858 550 7322 contactus accesio com www accesio com DIGITAL INPUT OUTPUT CARD Models PCI DIO 48JP and PCI DIO 48JPS USER MANUAL File MPCI DIO 48JPS...

Page 2: ...CES nor the rights of others IBM PC PC XT and PC AT are registered trademarks of the International Business Machines Corporation Printed in USA Copyright 1998 2005 by ACCES I O Products Inc 10623 Rose...

Page 3: ...or parts not excluded by warranty Warranty commences with equipment shipment Following Years Throughout your equipment s lifetime ACCES stands ready to provide on site or in plant service at reasonabl...

Page 4: ...ss Selection 10 Chapter 5 Software 11 Chapter 6 Programming 13 Table 6 1 Address Assignment Table 13 Table 6 2 Control Register Bit Assignment 14 Table 6 3 Control Register Configuration 15 Table 6 4...

Page 5: ...interface to 48 lines Each PPI provides three 8 bit ports A B and C Each 8 bit port can be software configured to function either as inputs or as latched outputs Port C can also be software configured...

Page 6: ...ddress space The base address is selected by the system An illustrated setup program is provided on the diskette or CD shipped with your card Interactive displays show locations and proper configurati...

Page 7: ...ns for usage of the various card options CD Software Installation The following instructions assume the CD ROM drive is drive D Please substitute the appropriate drive letter for your system as necess...

Page 8: ...ned resources 10 Run one of the provided sample programs that was copied to the newly created card directory from the CD to test and validate your installation The base address assigned by BIOS or the...

Page 9: ...ng or disabling the 74LS245 input output buffers under program control is provided at the jumper position labeled TST BEN When the jumper is in the BEN Buffer Enable position the I O buffers are alway...

Page 10: ...of the cards and the respective IRQs allotted Alternatively some operating systems Windows95 and WindowsNT 5 0 can be queried to determine which resources were assigned In these operating systems you...

Page 11: ...ions are in the form of a DLL a GBL and a VisualBASIC sample Together these files allow you to access the port and main memory space in a fashion similar to BASIC QuickBASIC Pascal C C Assembly and mo...

Page 12: ...t less intuitive All integers in BASIC are signed numbers wherein data are stored in two s complement form All bit patterns must be converted to and from this two s complement form if meaningful displ...

Page 13: ...0 Port C Group 0 Control Group 0 Port A Group 1 Port B Group 1 Port C Group 1 Control Group 1 Enable Disable Buffer Grp 0 Enable Disable Buffer Grp 1 Enable Chg of St Interrupt Clear Chg of St Interru...

Page 14: ...sociated PPI chip as well as the mode can be set For example a write to Base Address 3 with data bit D7 high programs port direction at group 0 ports A B and C If for example hex 80 is sent to Base Ad...

Page 15: ...ow See item d above outportb BASE_ADDRESS 3 0x09 PROGRAMMING EXAMPLE BASIC The following example in BASIC is provided as a guide to assist you in developing your working software In this example the c...

Page 16: ...ite to the Control Register with bit D7 low If you wish to subsequently disable the buffers you can write to the Control Register with bit D7 high In this way you can enable disable the output buffers...

Page 17: ...dress Bh Toggle bit C3 high for at least 1 uS then low Note that this pulse will show up at pin 5 or 41 of the connector Example 2 External interrupt The interrupt option jumper for the group must be...

Page 18: ...0 Port B Group 0 Port B Group 0 Port B Group 0 Port B Group 0 Port B Group 0 Port B Group 0 Port B Group 0 Port B Group 0 Port A Group 0 Port A Group 0 Port A Group 0 Port A Group 0 Port A Group 0 Po...

Page 19: ...rt B Group 1 Port B Group 1 Port B Group 1 Port B Group 1 Port A Group 1 Port A Group 1 Port A Group 1 Port A Group 1 Port A Group 1 Port A Group 1 Port A Group 1 Port A 5 VDC PC7 PC6 PC5 PC4 PC3 PC2...

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