AR0141CS datasheet(37/64 Pages) ONSEMI

37 / 64 page

AR0141CS/D Rev. 6, 4/16 EN

©Semiconductor Components Industries, LLC, 2016.

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

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.

Image

Status & Statistics Data

HBlank

VBlank

AR0141CS Datasheet(PDF) 37 Page - ON Semiconductor