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AI3152 Schematic ( PDF Datasheet ) - A1 PROs

Teilenummer AI3152
Beschreibung Digital Signal Processor
Hersteller A1 PROs
Logo A1 PROs Logo 




Gesamt 9 Seiten
AI3152 Datasheet, Funktion
1 A1 PROs
A1 PROs
Ver1.0
Ai3152
Digital Signal Processor for Color CCD Camera
General Description
The Ai3152 is the digital signal-processing chip for color video camera. It includes timing generator
and digital/analog output. Supports 250K / 380K NTSC system CCD sensors and 290K / 440K PAL
system CCD sensors with complementary color filter. It also provided line lock function.
Features
Support Ye, Cyan, Magenta, Green complementary color filter CCD sensors for
NTSC : Ai325CA(250K), Ai338CA(380K)
PAL : Ai329CA(290K), Ai344CA(440K)
Flexible Color Adjustment.
Digital Noise Reduction.
High performance AWB (5 set linear matrix).
IRIS coexists with AES and AGC.
Day or Night notice output.
Timing adjustment by 1 ns delay
White clip / Setup level / Sync level adjustment independent.
Build-in blemish compensation circuit to store the data in EEPROM,
the blemish pixel can up to 176 pixels.
Programmable pull-up / pull-down GPIO and DVIO pin.
Horizontal resolution up to 500 TVL
Video drive for IRIS lens is possible by simple drive circuit
even no CCD signal pin (CCDLEVEL or Mon_out) from AFE.
Hi-speed AE.
Support external EEPROM to store parameter.
Build-in auto white balance control.
Build-in auto exposure control.
Build-in backlight compensation.
Build-in 10bit digital to analog converter.
Build-in mirror function.
Support NTSC/PAL analog composite video output.
Build-in timing generator for vertical driver and CDS/AGC/ADC peripheral chips.
Single 3.3V power supply. (Horizontal drive pins can be 3.3V/5V)
Support GPIO pin Define function.
Programmable CCD Timing and Driving Current.
Support Digital Line Lock function.
LQFP-80 (10x10mm ; 0.4mm pin pitch)
1






AI3152 Datasheet, Funktion
Ai3152
DSP Register Table
EEP
Adr.
Start
Bit
Bit
Num
Data
L
(HEX)
Data
H
(HEX)
Bit
Symbol
0F 0 2
1:0 TV_MONO[1:0]
42 0 5
11
4:0 AP_FIRGA[4:0]
1 AP_CTRL_EN
Description
TV color/mono display mode selection.
00: color display mode with color burst.
01: mono display mode with color burst.
10: color display mode without color burst.
11: mono display mode without color burst.
Initial value of APT_FIRGA
(gain of FIR horizontal edge signal)
1: Enable Horizontal and Vertical aperture control.
21
2 APKNEE_EN
1: Enable Aperture KNEE.
49 3 1
3 AP_CORING_EN 1: Enable Aperture CORING.
51
5 YGAMMA_EN
1: Enable Y Gamma.
61
51
4D 6 1
71
4E 0 8
4F 0 8
50 0 8
51 0 8
52 0 8
53 0 8
54 0 8
55 0 8
56 0 8
6 Y_LCRAWL_EN 1: Enable Line Crawl.
5 DENOISE
DENOISE enable
0: Disable
1: Enable
6 NONLINEAR
NONLINEAR enable
0: Disable
1: Enable
RGB gamma enable
7 RGB_GAMMA_EN 0: Disable
1: Enable
7:0 APKNEE_Y128
7:0 APKNEE_Y256
7:0 APKNEE_Y384
7:0 APKNEE_Y512
7:0 APKNEE_Y640
7:0 APKNEE_Y768
7:0 APKNEE_Y896
7:0 APKNEE_Y1024
Y for APKNEE curve when X=128.
Y= APKNEE_Y128 *2, Note: Y0=0.
Y for APKNEE curve when X=256.
Y= APKNEE_Y256 *2
Y for APKNEE curve when X=384.
Y= APKNEE_Y384 *2
Y for APKNEE curve when X=512.
Y= APKNEE_Y512 *2
Y for APKNEE curve when X=640.
Y= APKNEE_Y640 *2
Y for APKNEE curve when X=768.
Y= APKNEE_Y768 *2
Y for APKNEE curve when X=896.
Y= APKNEE_Y896 *2
Y for APKNEE curve when X=1024.
Y= APKNEE_Y1024 *2
5:0 AP_CORN[5:0]
Aperture corn control -> Corn = AP_CORN * 2
6

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