VV6501 datasheet(7/44 Pages) STMICROELECTRONICS

7 / 44 page

ADCS 7283313C

7/44

STV0681

Introduction

1.2.2

User features on camera

Self-timer mode allows a picture to be captured after several seconds.

Twin 7 segment LCD panel supported - showing number of pictures left, and modes.

Picture counter helps the user to know how much memory is left.

Un-tethered ‘Continuous’ mode allows capture of image sequences for storage in memory and

subsequent download to PC.

Piezo buzzer indicates a number of useful events to the user, e.g. whether enough light is present for

picture capture, etc.

LED indicator .

“Clear all” function clears camera.

“Low Resolution” mode increases number of images which can be captured by reducing image

resolution.

Audio Record function (if audio record hardware detected) allows sounds to be recorded.

Audio Playback function (if audio playback hardware fitted) allows sounds which have been recorded

to be played back.

“Delete last” function allows user to delete audio memos, pictures or continuous clips, deletion must

be carried out “most reset first”.

Camera can be configured by the user to play custom sounds at certain functions, using a PC

application.

“Go to sleep” function, whereby the camera can be put into standby mode while untethered.

1.2.3

User features on PC software

PC software allows a number of features such as fast download of thumbnail images for picture

selection, and automatic detection and correction of sensor defects. The driver compatibility

includes:

TWAIN driver to suit all TWAIN compatible imaging applications

Video for Microsoft Windows

™ PC driver for tethered video mode (through USB), available at all

resolutions, with fastest framerates at QCIF resolution

AVI video file creation from image sequences captured in ‘continuous’ mode

Quicktime Video driver and Adobe Photoshop stills plug-in for Mac

Custom OEM PC software can be developed by using the SDK (for SDK availability, contact ST), to

upload thumbnails/still images or ‘continuous’ images, e.g. for AVI file creation.

The SDK (version 2.90 or later) allows:

the OEM to write a custom application and upload sound memos based on the example LCDC demo

software.

the OEM to write a custom application and download custom sounds to the camera based on the

example CustomSound software.

1.2.4

Power management features and USB compliance

Retention of pictures, recorded sounds and downloaded custom sounds with extremely low power

operation. The camera seems to be “switched off”.

Auto power-off after 30 seconds of non usage.

Operates from 4.5-6V battery, although system voltage is 5V or 3.3V, dependant on sensor.

Low battery detection.

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