Advantech 3718HG, User Manual

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4.6 A/Dstatus Register - BASE+8 .............................................. 29
4.7 Control Register - BASE+9 ................................................. 31
4.8 Pacer Enable Register - BASE+10 ....................................... 32
4.9 Programmable Pacer Registers - BASE+12/13/14/15........... 33
CHAPTER 5: A/D Conversion .............................. 35
5.1 A/D Data Format and Status Register ................................... 36
5.2 Input Range Selection ........................................................... 37
5.3 MUX Setting ....................................................................... 37
5.4 Trigger Mode ....................................................................... 38
5.5 A/D Data Transfer ................................................................ 39
5.6 How to Make an A/D Conversion ........................................ 40
CHAPTER 6: Digital Input/Output....................... 41
CHAPTER 7: Programmable Pacer .................... 43
7.1 The Intel 8254 ..................................................................... 44
7.2 Counter Read/write and Control Register.............................. 45
7.3 Counter Operating Modes.................................................... 48
7.4 Counter Operations .............................................................. 50
7.5 Counter Applications ............................................................ 51
CHAPTER 8: Direct Memory Access Operation 53
8.1 Using DMA Transfer with the PCM-3718H/3718HG ........... 54
CHAPTER 9: Calibration ...................................... 57
9.1 VR Assignment .................................................................... 58
9.2 A/D Calibration .................................................................... 58
APPENDIX A: Software Driver User Note ......... 61