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VCC-5CL1M
Rev.
905-0003-02
©2015 CIS Corporation. All rights reserved.
34
15.
HDR (High Dynamic Range) Mode
□
The mode to realize High Dynamic Range of approx. 40 [dB] wider against the normal linear response by making
CMOS sensor operate the nonlinear response.
□
When using HDR mode, set to the following operational modes beforehand.
・
Trigger Shutter Mode :
: Fixed Trigger Shutter Mode (Other modes are prohibited.)
・
Exposure Time:
: Setting of Address 23 becomes invalid and value of HDR setting (Address 91) is
applied.
・
Vertical Partial Mode
: OFF (Others are prohibited.)
・
Horizontal Partial Mode
: 2560pixels (Others are prohibited.)
・
Binning Mode
: OFF (Others are prohibited.)
□
The increment of the dynamic range can be selected among 4 modes by HDR Mode Settings
(
Address 90
)
.
※
The above table shows reference values at 2048 lines of Exposure Time.
(
Depending on Exposure Time the slight fluctuation shall arise.
)
□
Precaution Statement
・
Exposure period setup (address 91) can only be changed when HDR Mode is 0 (OFF).
・
Overlap operation cannot be accepted. Input the next trigger after read-out is completed.
(Frame Rate is slower than at Normal Mode)
・
Exposure output does not indicate Exposure period. Only the falling edge is effective and the end of
exposure is shown. The rising edge and the pulse width are meaningless.
HDR Mode Setting
(
Address 90
)
Increase of High Dynamic Range [dB]
0
OFF
(
Normal Mode
)
1
Approx.
+
10dB
2
Approx.
+
20dB
3
Approx.
+
30dB
4
Approx.
+
40dB