![background image](http://html1.mh-extra.com/html/ics/ics-130/ics-130_operating-manual_3549493034.webp)
DOC E10523 Rev.D
Interactive Circuits And Systems Ltd. 2000
30
5.7 Control Register (CR)
Read/Write
The Control Register controls the overall configuration of the ICS-130.
5.7.1 CR<0> - Trigger Select
This bit determines if the external ADC Trigger is used to start an acquisition. When using
an external trigger, triggering occurs following the rising edge of the trigger signal. The
signal must remain high for at least one complete acquisition (clock) cycle.
CR<0>
ADC Trigger Select
READ/WRITE
0
Use Internal (software) Trigger
1
Use External Trigger input
5.7.2 CR<1> - Sampling Clock Select
This bit selects between internal and external sampling clocks for the ADC.
CR<1>
ADC Sampling Clock Select
READ/WRITE
0
Internal sample clock selected.
1
External sample clock selected.