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PRELIMINARY
Digital Camera Chipset; Customer Datasheet, Rev 3.0, March 2000
STV0680A + VV6444/6410/6500
CDSTV0680F-C
Commercial in confidence
8
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STV0680F_contents.fm
1.3
The following sensors are supported:
Sensor choices
1.4
The key features of a typical camera based on the STV0680A chipset are as follows:
Key system features
1.4.1
Image features (STV0680A-002)
Support for 5V or 3.3V CIF resolution sensor (VV6444 or VV6410) - 352 x 288 pixels
Support for 3.3V VGA resolution sensor (VV6500) - 640 x 480 pixels
80 picture storage capacity possible for CIF, with 64MB memory
26 picture storage capacity for VGA, with 64MBit memory
A greater number of images can be stored when ‘Low’ resolution mode is enabled (e.g. 80 QCIF images with 16Mbit memory,
106 QVGA images with 64Mbit memory). See Table 4 and Table 5.
Automatic anti-flicker exposure and gain control
1.4.2
Image features (STV0680-001)
Supports 5V CIF resolution sensor (VV6444) - 352 x 288 pixels.
20 picture storage capacity possible for CIF with 16MB memory.
80 picture storage capacity possible for QCIF with 16MB memory.
Automatic anti-flicker exposure and gain control
1.4.3
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.
Indicator LED.
1.4.4
PC software allows a number of features, including fast download of thumbnail images for picture selection, and automatic
detection and correction of sensor defects. Table 3 clarifies the driver compatibility available, including:
User features on PC software
TWAIN driver to suit all TWAIN compatible imaging applications
Video for Windows driver for tethered video mode (through USB), available at all resolutions, with fastest framerates at QCIF
resolution
Sensor
Resolution
Sensor supply
voltage
VV6444
CIF (352 x 288)
5v
VV6410
3.3v
VV6500
VGA (640 x 480)
Table 2 : Sensor choices with STV0680/STV0680A