MultiCam Boards Documentation > GRABLINK series Documentation > GRABLINK Base Handbook > Functional Specification > Camera Link Interface > Enable Signals

Enable Signals

The standard defines 4 enable signals:

The standard requires that all four enable signals are provided by the camera to all channel links.

The enable signals are used differently according to the selected acquisition mode.

Acquisition mode

FVAL usage

LVAL usage

DVAL usage

Spare usage (*)

Area-scan

Start of frame

Start of line

Clock enable (optional)

Unused

Line-scan

Unused

Start of line

Clock enable (optional)

Unused

Raw grabbing

Frame cover

Unused

Clock enable (optional)

Unused

(*) The spare signal is always ignored.