PCL-818 Series User Manual
58
DMAE Disable/enable
DMA
transfers
0 Disables
DMA
transfers
1
Enables DMA transfer. Each A/D conversion initiates two
successive DMA request signals. These signals cause the
8237 DMA controller to transfer two bytes of conversion
data from the PCL-818HD/HG/L to memory.
ST1 to ST0 Trigger source
Note:
Make sure that the IRQ level you choose is not
being used by another I/O device.
Note:
You must program the PC's 8237 DMA controller
the DMA page register before you set DMAE to 1.
Trigger Source
ST1
ST0
Software trigger
0
X
External trigger
1
0
Pacer trigger
1
1
Summary of Contents for PCL-818 Series
Page 1: ...PCL 818 Series 12 bit ISA Multifunction Card User Manual ...
Page 14: ...PCL 818 Series User Manual 6 Figure 1 1 Installation Flow Chart ...
Page 28: ...PCL 818 Series User Manual 20 ...
Page 45: ...2 APPENDIX A Specifications ...
Page 49: ...2 APPENDIX B Block Diagram ...
Page 51: ...2 APPENDIX C Register Structure Format ...
Page 71: ...2 APPENDIX D Calibration ...