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124 Register-Based Programming Appendix B
Register Descriptions
There are twenty WRITE and thirty-one READ registers on the digitizer.
This section contains a description of the registers followed by a bit map of
the registers in sequential address order. Undefined register bits appear as
"0" when the register is read, and have no effect when written to.
WRITE Registers You can write to the following digitizer registers:
Description Address
Status/Control Register
base + 04
16
Offset Register
base + 06
16
Interrupt Control Register
base + 0C
16
Calibration Flash ROM Address Register
base + 1C
16
Calibration Flash ROM Data Register
base + 1E
16
Calibration Source Register
base + 20
16
Range, Filter, Connect Channels 1 and 2 Register
base + 24
16
Range, Filter, Connect Channels 3 and 4 Register
base + 26
16
Trigger/Interrupt Level Channel 1 Register
base + 28
16
Trigger/Interrupt Level Channel 2 Register
base + 2A
16
Trigger/Interrupt Level Channel 3 Register
base + 2C
16
Trigger/Interrupt Level Channel 4 Register
base + 2E
16
Sample Period High Word Register
base + 30
16
Sample Period Low Word Register
base + 32
16
Pre-Trigger Count High Register
base + 34
16
Pre-Trigger Count Low Register
base + 36
16
Post-Trigger Count High Register
base + 38
16
Post-Trigger Count Low Register
base + 3A
16
Trigger Control/Source Register
base + 3C
16
Sample Control/Source Register
base + 3E
16