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Table of Contents
1. INTRODUCTION ........................................................................................................................4
1.1 SPECIFICATIONS..................................................................................................................4
1.2 PRODUCT CHECK LIST ........................................................................................................4
2. HARDWARE CONFIGURATION ............................................................................................5
2.1 BOARD LAYOUT..................................................................................................................5
2.2 I/O PORT LOCATION...........................................................................................................6
2.3 ENABLE I/O OPERATION .....................................................................................................6
2.4 D/I/O ARCHITECTURE ........................................................................................................7
2.5 INTERRUPT OPERATION ......................................................................................................8
2.6 DAUGHTER BOARDS.........................................................................................................13
2.6.1 OME-DB-37 ...............................................................................................................13
2.6.2 OME-DN-37 & OME-DN-50 .....................................................................................13
2.6.3 OME-DB-8125 ...........................................................................................................13
2.6.4 OME-ADP-37/PCI & OME-ADP-50/PCI ..................................................................14
2.6.5 OME-DB-24P/24PD Isolated Input Board.................................................................15
2.6.6 OME-DB-24R/24RD Relay Board..............................................................................16
2.6.7 OME-DB-24PR/24POR/24C ......................................................................................17
2.6.8 Daughter Board Comparison Table ...........................................................................18
2.7 PIN ASSIGNMENT .................................................................................................................19
3. I/O CONTROL REGISTER.....................................................................................................21
3.1 HOW TO FIND THE I/O ADDRESS........................................................................................21
3.1.1 PIO_DriverInit ...............................................................................................................23
3.1.2 PIO_GetConfigAddressSpace ........................................................................................24
3.1.3 Show_PIO_PISO............................................................................................................25
3.2 THE ASSIGNMENT OF I/O ADDRESS......................................................................................26
3.3 THE I/O ADDRESS MAP........................................................................................................28
3.3.1 RESET\ Control Register...........................................................................................28
3.3.2 AUX Control Register.................................................................................................29
3.3.3 AUX data Register......................................................................................................29
3.3.4 INT Mask Control Register.........................................................................................29
3.3.5 Aux Status Register .....................................................................................................30
3.3.6 Interrupt Polarity Control Register ............................................................................30
3.3.7 Read/Write 8-bit data Register ...................................................................................31
3.3.8 Active I/O Port Control Register.................................................................................31
3.3.9 I/O Selection Control Register....................................................................................32
OME-PIO-D144 User’s Manual (Ver.2.1, Sep/2001) ---- 2