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VV6801 Ver la hoja de datos (PDF) - Vision

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VV6801 Datasheet PDF : 23 Pages
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VISION VV6801/5801 PRELIMINARY CUSTOMER DATASHEET Rev 1.1
9. Pin descriptions and Package Details ........................................................................................ 39
9.1 Pin List.......................................................................................................................................... 40
9.2 Package dimensions .................................................................................................................... 42
10. Support circuits and design guidelines...................................................................................... 43
10.1 ADC Interface Circuit.................................................................................................................... 43
10.2 Analogue Reference Buffering ..................................................................................................... 44
11. Evaluation kit (EVK)...................................................................................................................... 45
11.1 Key features ................................................................................................................................. 45
11.2 Block Diagram .............................................................................................................................. 45
12.
inary Ordering details ............................................................................................................................ 46
Prelim
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VISION VV6801/5801 PRELIMINARY CUSTOMER DATASHEET Rev 1.1
1. General description
The VV6801 sensor has been developed specifically for use in image processing applications requiring pixel
by pixel access. Flexible control options allow many operating modes, but the VV6801 is ideally suited to
Digital Stills Cameras with a frame store memory available for pixel offset noise cancellation, and ideally an
electromechanical shutter for exposure control and dark current / reset noise cancellation (see Section 4.)
The VV5801 monochrome sensor is identical in operation to the VV6801, but with higher sensitivity and
simpler image processing, due to the absence of colour filters. It is ideally suited to machine imaging
applications.
1.1 Sensor architecture
LCK
EVEN
FI
FR
PXRD
CDSR
VCLRB
VSETB
DOUT
y 1306 X 1028
r PHOTODIODE ARRAY
ina (1280 x 1024 valid pixels)
RESETB
VRT
Vbltw
Vbloom
VRTRef
Vbloomref
Vbltwref
VBG
DIN
DLAT
DCK
SERIAL
I/F
SAMPLE & HOLD
lim CONTROL REGISTER
HORIZONTAL SHIFT REGISTER
Cine Modes
5-Bit DAC
VCL1
PCK LS EC HCLRB VCL2
EVWT
COLSam
CLAMP
SELRef
SAMRef
AVO
AVORef
PreFigure 1.1 : Block diagram of VV6801/5801
1.2 Typical application
Lens
Flash
Sensor
Serial Data
Frame Buffer
ADC
Timing & Control
Exposure Control
I/O Processing
Timing
DSP
(Image/colour
processing)
ASIC/DSP
Figure 1.2 : Typical digital stills application
Picture
Storage
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09/09/98: PRELIMINARY
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