User`s manual

Piranha HS 4x User’s Manual 49
DALSA Corp. PRELIMINARY 03-32-10040-03
Camera Link Video Timing
Figure 15. HS-41 Overview Timing Showing Input and Output Relationships
Table 12: HS-41 Timing Values
Symbol Definition Value (µs)
twSYNC The minimum low width of the EXSYNC
pulse.
0.33
twSYNC_INT The minimum width of the high pulse 0.33
tLINE PERIOD
(t LP)
The minimum and maximum line times
made up of tTransfer, tREADOUT plus
tOVERHEAD to meet specifications.
18.83
tTransfer The time from the reception of the falling
edge of EXSYNC to the rising edge of
LVAL.
1.2
tREADOUT Is the number of pixels per tap times the
readout clock period.
17.060
tOVERHEAD Is the number of pixels that must elapse
after the falling edge of LVAL before the
EXSYNC signal can be asserted.
0.57
Camera Link™ Configuration Table
The following table provides tap reconstruction information. DALSA is working with the
machine vision industry to use this table as the basis for auto configuration. Visit the
http://vfm.dalsa.com Web site and view the DALSA Camera Link Implementation Road
Map document, 03-32-00450, for further details.
Piranha HS 4x Interface Parameters
Table 13: Framegrabber Interface Parameters
Item (when programmable configuration the
options are separated with a | )
Piranha HS 4x
Imager Dimension <1,2 or 1|2> 1
Imager Columns<number of active columns, X> 2048
Imager Rows<number of active rows, Y> Line
Scan/TDI are defined as 1
1
Number of Imager Taps <1,2,3…..> 4
Tap Clock Rate <xx MHz> 30