SVS-VISTEK
Manual SHR series
Connectors
5.02.2017
4.1.3
Camera Link timing
It might be interesting to know when “valid data” can be expected exactly.
px
h
= pixel horizontal [count]
px
v
= pixel vertical [count]
LVAL – t
L v d
Every line has periods with no valid data. The Duration of None Valid
Data between two lines (
t
nvd
) is three time the Camera Link clock (clk).
Delay before every first line is 2 times clk.
𝑡
𝐿𝐿𝐿
=
𝑝𝑝
ℎ
𝐶𝐶
_
𝑔𝑔𝑔𝑔𝑔𝑡𝑔𝑔
_
𝑋
×
1
𝐶𝐶
_
𝑐𝑐𝑔𝑐𝑐
CL_clock = 85 MHz
FVAL – t
F v d
Frames are not sent permanently. Between two frames will be a gap –
even at highest frame rates. Minimum duration between two valid frame
signals is the duration of one line.
𝑡
𝐹𝐿𝐿
= 2 ×
1
𝐶𝐶
_
𝑐𝑐𝑔𝑐𝑐
+ (
𝑡
𝐿𝐿𝐿
+
𝑡
𝑛𝐿𝐿
) ×
𝑝𝑝
𝐿
𝐶𝐶
_
𝑔𝑔𝑔𝑔𝑔𝑡𝑔𝑔
_
𝑌