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Contents
Blue Chip Technology Ltd.
01271014.doc
INTRODUCTION................................................................................ 1
1.0 SPECIFICATION.......................................................................... 1
1.1 Electrical Specification ............................................................ 1
1.2 Physical Specification ............................................................. 2
Electromagnetic Compatibility (EMC)............................................. 2
EMC Specification ......................................................................... 3
2.0 USER ADJUSTMENTS ................................................................ 4
2.1 Selecting the Base Address...................................................... 4
2.2 Port Map .................................................................................. 5
3.0 INPUT CONNECTIONS ............................................................... 6
Pin Detail ....................................................................................... 6
3.1 Pin Connections ...................................................................... 7
4.0 USING THE ADC ......................................................................... 7
4.1 Analogue Inputs ....................................................................... 7
4.1.1 Analogue Input Options ........................................................ 8
4.1.2 Example Program ............................................................... 14
4.2 Analogue Outputs................................................................... 15
4.3 Programmable Digital I/O...................................................... 16
4.4 Interrupts................................................................................ 21
APPENDIX A ................................................................................... 24
APPENDIX B ................................................................................... 26
PC/XT/AT Port Map ..................................................................... 26
APPENDIX C ................................................................................... 28
PC/XT Interrupt Map .................................................................... 28
APPENDIX D ................................................................................... 29
AT Interrupt Map .......................................................................... 29