STV0680 datasheet(35/63 Pages) STMICROELECTRONICS

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STV0680B+ VV6410/6411/6500

STV0680 Camera System Defect Specification

Note:

The information in this chapter is subject to change without notice. Contact ST for precise details

and information on correct driver versions.

7.1

General

ST CMOS Sensors can contain defects as part of their standard sales specification. The sensor

defect specification, if required, can be found in the appropriate sensor datasheet, however this

specification is not the same as the camera system defect specification.

When an ST CMOS Sensor is used in a STV0680B camera system, a defect correction algorithm in

the camera system will correct the sensor defects so that in the vast majority of cases the user

should not see defects in the final colour image generated by the PC/Mac driver. This chapter

clarifies the defect specification for the overall camera system.

7.2

Defect specification

When using the specified Camera System, under the specified Test Conditions:

No Major Visible defects are allowed in the Final Colour Image from a CIF camera (VV6410/

6411/6444) or VGA Camera (using VV6500 shipped by ST until end of Q1 2001), except under

certain limitations given in

Section 7.2.1 and Section 7.3.7.

No Major Visible defects are allowed in the "Inner area" (within the central 242 x 322 pixels) of

the Final Colour Image from a VGA camera (VV6500 shipped by ST after start of Q2 2001),

except under certain limitations given in

Section 7.2.1 and Section 7.3.7.

Some Minor Visible defects are allowed in the "Outer area" (outside the central 242 x 322

pixels) of the Final Colour Image from a VGA camera (VV6500 shipped by ST after start of Q2

2001), but no Major Visible Defects are allowed in the "Outer area", except under certain

limitations given in

Section 7.2.1 and Section 7.3.7.

7.2.1

Appearance of defects under other conditions

During normal camera use (e.g. lensed camera used in a “real situation”), it is possible that defects

may be visible under certain conditions:

At the sharp edge of certain light/dark transitions

7.3

Definition of the "Camera System"

All of the following conditions must be met for the defect specification to be applicable to the

"Camera System".

Note that the EVK units STV-DCA/CIF-E01 or -E04 and STV-VGA/VGA-E01 or -E04 both conform

to these conditions, hence have the same defect specification as detailed in

Section 7.2.

7.3.1

CMOS Imaging Sensor

The defect specification applies to the Camera System if any of the following sensors are used.

VV6444-C001

VV6410-C036

VV6411-C036

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