參數(shù)資料
型號(hào)： OV7620
廠商： Electronic Theatre Controls, Inc.
英文描述： OV7620 SINGLE-CHIP CMOS VGA COLOR DIGITAL CAMERA
中文描述： OV7620的單芯片CMOS VGA彩色數(shù)碼相機(jī)
文件頁(yè)數(shù)： 7/60頁(yè)
文件大?。?/td> 313K
代理商： OV7620
OV7620 Product Specifications - Rev. 1.2 (5/13/00)
OMNIVISION TECHNOLOGIES INC.
7
Preliminary
Company Confidential
1.3 CHIP OPERATION
Referring to FIG 1.1, OV7620 includes a 664x492 resolution image array, an analog signal pro-
cessor, dual 10bit A/D converters, analog video mux, digital data formatter and video port, SCCB
interface with its registers, the digital controls including timing block, exposure block and white
balance.
FIG 1.1 OV7620Block Diagram
OV7620is a 1/3 inch CMOS imaging device. The sensor contains approximately 326,688 pixels.
It is base on field integration read-out system with line-by-line transfer and an electronic shutter
with synchronous pixel read out scheme. The color filter of the sensor consists of primary color
RG/GB array arranged in line alternating fashion.
RVO
GYO
image
array
r
column sense amp
Cb
Cr
Y
VcSAT
GAMMA
white
balance
detect
exposure
detect
WB
control
AWB
AGCEN
XVCLK1
(664X492)
RGB
1/2
sys-clk
AWBTH/
AWBTM
VcCNT
r
b
mx
FODD
VSYNC
HREF
PCLK
video
timing
generator
FZEX
exposure
control
VrEQ
VcSHP
FREZ
CHSYNC
mx
ADC
f
Y(7:0)
UV(7:0)
SCCB
interface
SIO-1
SIO-0
registers
v
ADC
analog
processing
FSIN
MIR
DENB
mx
PROG
SBB
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