AR0134CS datasheet(3/29 Pages) ONSEMI

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AR0134CS

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User interaction with the sensor is through the two-wire

serial bus, which communicates with the array control,

analog signal chain, and digital signal chain. The core of the

sensor is a 1.2 Mp Active-Pixel Sensor array. The

AR0134CS features global shutter technology for accurate

capture of moving images. The exposure of the entire array

is controlled by programming the integration time by

to readout. Once a row has been read, the data from the

columns is sequenced through an analog signal chain

(providing offset correction and gain), and then through an

analog-to-digital converter (ADC). The output from the

ADC is a 12-bit value for each pixel in the array. The ADC

output passes through a digital processing signal chain

(which provides further data path corrections and applies

digital gain). The pixel data are output at a rate of up to

74.25 Mp/s, in parallel to frame and line synchronization

signals.

FEATURES OVERVIEW

The AR0134CS Global Sensor shutter has a wide array of

features to enhance functionality and to increase versatility.

A summary of features follows. Please refer to the

AR0134CS

Developer

Guide

for

detailed

feature

descriptions, register settings, and tuning guidelines and

recommendations.

• Operating Modes

The AR0134CS works in master (video), trigger (single

frame), or Auto Trigger modes. In master mode, the

sensor generates the integration and readout timing.

In trigger mode, it accepts an external trigger to start

exposure, then generates the exposure and readout

timing. The exposure time is programmed through the

two-wire serial interface for both modes. Trigger mode

is not compatible with the HiSPi interface.

• Window Control

Configurable window size and blanking times allow

a wide range of resolutions and frame rates. Digital

binning and skipping modes are supported, as are

vertical and horizontal mirror operations.

• Context Switching

Context switching may be used to rapidly switch

between two sets of register values. Refer to the

AR0134CS Developer Guide for a complete set of

context switchable registers.

• Gain

The AR0134CS Global Shutter sensor can be

configured for analog gain of up to 8x, and digital gain

of up to 8x.

• Automatic Exposure Control

The integrated automatic exposure control may be used

to ensure optimal settings of exposure and gain are

computed and updated every other frame. Refer to the

AR0134CS Developer Guide for more details.

• HiSPi

The AR0134CS Global Shutter image sensor supports

two or three lanes of Streaming-SP or Packetized-SP

protocols of ON Semiconductor’s High-Speed Serial

Pixel Interface.

• PLL

An on chip PLL provides reference clock flexibility and

supports spread spectrum sources for improved EMI

performance.

• Reset

The AR0134CS may be reset by a register write, or by

a dedicated input pin.

• Output Enable

The AR0134CS output pins may be tri-stated using

a dedicated output enable pin.

• Temperature Sensor

The temperature sensor is only guaranteed to be

functional when the AR0134CS is initially powered-up

or is reset at temperatures at or above 0

°C.

• Black Level Correction

• Row Noise Correction

• Column Correction

• Test Patterns

Several test patterns may be enabled for debug

purposes. These include a solid color, color bar, fade to

grey, and a walking 1s test pattern.

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