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AR0141CS(2016) View Datasheet(PDF) - ON Semiconductor

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AR0141CS
(Rev.:2016)
ON-Semiconductor
ON Semiconductor ON-Semiconductor
AR0141CS Datasheet PDF : 48 Pages
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AR0141CS: 1/4-Inch Digital Image Sensor
Changing Sensor Modes
Embedded Data and Statistics
The AR0141CS has the capability to output image data and statistics embedded within
the frame timing. There are two types of information embedded within the frame
readout.
• Embedded Data:
If enabled, these are displayed on the two rows immediately before the first active
pixel row is displayed.
• Embedded Statistics:
If enabled, these are displayed on the two rows immediately after the last active pixel
row is displayed.
Figure 32: Frame Format with Embedded Data Lines Enabled
Register Data
Image
HBlank
Status & Statistics Data
VBlank
Embedded Data
The embedded data contains the configuration of the image being displayed. This
includes all register settings used to capture the current frame. The registers embedded
in these rows are as follows:
Line 1: Registers R0x3000 to R0x312F
Line 2: Registers R0x3136 to R0x31BF, R0x31D0 to R0x31FF
Note: All undefined registers will have a value of 0.
In parallel mode, since the pixel word depth is 12 bits/pixel, the sensor 16-bit register
data will be transferred over 2 pixels where the register data will be broken up into 8 MSB
and 8 LSB. The alignment of the 8-bit data will be on the 8 MSB bits of the 12-bit pixel
word. For example, if a register value of 0x1234 is to be transmitted, it will be transmitted
over two, 12-bit pixels as follows: 0x120, 0x340.
Embedded Statistics
The embedded statistics contain frame identifiers and histogram information of the
image in the frame. This can be used by downstream auto-exposure algorithm blocks to
make decisions about exposure adjustment.
AR0141CS/D Rev. 6, 4/16 EN
37
©Semiconductor Components Industries, LLC, 2016.
 

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