AS260 datasheet(6/45 Pages) ONSEMI

6 / 45 page

AR0260 DS Rev. G Pub. 4/15 EN

©Semiconductor Components Industries, LLC,2015.

AR0260: 1/6-Inch 1080P High-Definition (HD) Digital Image Sensor

Functional Description

The ON Semiconductor AR0260 can be operated in its default mode or programmed for

frame size, exposure, gain, and other parameters. The default mode output is a 1080p-

resolution image at 30 frames per second (fps). It outputs 8-bit or 10-bit raw data, using

either the parallel or serial (MIPI) output ports.

FRAME_VALID and LINE_VALID signals are output on dedicated pins, along with a

synchronized pixel clock in parallel mode.

The AR0260 includes additional features to allow application-specific tuning:

windowing and offset, auto black level correction, mirroring, and sub-sampling.

Optional register information can be embedded in the first and last 2 lines of the image

frame.

The sensor is designed to operate in a wide temperature range (–30°C to +70°C).

Architecture Overview

The AR0260 is a 1/6-inch 2.0Mp progressive-scan sensor that generates a stream of pixel

data at a constant frame rate. It uses an on-chip, phase-locked loop (PLL) that can be

optionally enabled to generate all internal clocks from a single master input clock

running between 6 and 54 MHz. The maximum output pixel rate is 96 MHz. Figure 1

shows a block diagram of the sensor.

Figure 1:

AR0260 Block Diagram

User interaction with the sensor is through the two-wire serial bus, which communi-

cates with the array control, analog signal chain, and digital signal chain. The core of the

sensor is a 2.0 Mp Active- Pixel Sensor array. The timing and control circuitry sequences

through the rows of the array, resetting and then reading each row in turn. In the time

interval between resetting a row and reading that row, the pixels in the row integrate

incident light. The exposure is controlled by varying the time interval between reset and

readout. Once a row has been read, the data from the columns is sequenced through an

Sensor Core

Control Registers

System Control

10-Bit

Data Out

Parallel or MIPI

G1/G2

R/B

G1/G2

R/B

Green1/Green2

Channel

Red/Blue

Channel

1080p

Active-Pixel

Sensor (APS)

Array

Analog

Processing

ADC

Digital

Processing

Timing

and

Control

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