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componentes Descripción

Fabricante

VV6411

DUAL-MODE DIGITAL CAMERA CHIPSET

STMicroelectronics 

STV0680B + VV6444/6410/6500

Detailed features

3 A CIF camera with STV0680B-001 and 64Mbit SDRAM can store up to 320 images by using QCIF

mode. Where >99 images are still available, the LCD display will remain at 99. Where (no. of

images available) <99, the LCD display will show the number of images available, as is the case

with all other modes.

2.1.1 VV6444

VV6444 is a CIF resolution, 5V CMOS imaging sensor and has been superseded by VV6410/6411.

2.1.2

VV6410

VV6410 is a CIF resolution, 3.3V CMOS imaging sensor. A brief specification is shown in Chapter 6.

A dual design to support VV6444 and VV6410/6411 is not possible, since VV6410/6411 is a 3v3

sensor. A single footprint for VV6410/6411 and VV6500 is not possible since the package types

differ, however, the same support circuit is used.

For IR filter design, the best choice filter follows the GS0034 dielectric stack filter specification,

which is available from ST. An alternative, although not optimal filter, would be Schott S8612 doped

glass, also sold as CM500.

2.1.3

VV6411

VV6411 is a CIF resolution, 3.3V CMOS imaging sensor. A brief specification is shown in Chapter 6.

The functionality, pixel size, resolution and support circuit are identical to VV6410, however, the

colour filter material is slightly different, and the package type and pinout may differ to VV6410.

Contact ST for further details.

A single footprint to support VV6411 and VV6500 is not possible because of the package difference.

A single footprint to support VV6410 and VV6411 may be possible, dependant on the final package

for VV6411.

2.1.4

VV6500

VV6500 is a VGA resolution, 3.3V CMOS imaging sensor. A brief specification is shown in

Chapter 6

A dual design to support VV6444 and VV6500 is not possible, since VV6500 is a 3v3 sensor. A

single footprint for VV6410/6411 and VV6500 is not possible since the package types differ,

however, the same support circuit is used. See Chapter 6.

For IR filter design, the best choice filter follows the GS0034 dielectric stack filter specification,

which is available from ST. An alternative, although not optimal filter, would be Schott S8612 doped

glass, also sold as CM500.

2.1.5 SDRAM

This is covered in more details in Chapter 4.

2.2 User interface

The user interface supported by STV0680B comprises of user controls, buzzer sounds or

customised audio sounds and visual displays.

2.2.1

Push buttons

The following are the functions which are supported by the chipset. These functions are achievable

with no more than 2 push buttons.

Version 3.4

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