Technical Manual
[Table of Contents]
1. OUTLINE OF LSI ………………………………………………………………………….. 1-1
1.1. FEATURE ……………………………………………………………….. 1-1
1.2. FUNCTIONS OF DIGITAL SIGNAL PROCESSING ……………….….. 1-1
2 PIN ASSIGNMENT …………………………………………………………………………... 2-1
3 SYSTEM ARCHECTURE ……………………………………………………………….. 3-1
3.1 SYSTEM ARCHITECTURE EXAMPLE …………………………………………. 3-1
3.2 OPERATION MODE SELECTION BY TERMINAL SETTINGS ………... 3-2
3.3 CCD SENSOR ………………………………………………………………... 3-2
3.4 ANALOG FRONT-END IC …………………………………………………….. 3-3
3.5 HOST I/F …………………………………………………………………………… 3-3
3.6 EEPROM …………………………………………………………………………… 3-3
3.7 HOST I/F ACCESS BY 2-WIRED SYSTEM BUS ………………………………. 3-4
3.8 EEPROM ACCESS BY 2-WIRED SYSTEM BUS ………………………………. 3-5
3.9 POWER SUPPLY SEQUENCE ………………………………………….. 3-6
3.10 MUTE CONTROL WHEN POWER SUPPLY SEQUENCE …………………… 3-6
4. FUNCTION EXPLANATION ………………………………………………………………... 4-1
4.1. INNER COMPOSITION …………………………………………………….. 4-1
4.2. DRIVING PULSE GENERATION …………………………………………. 4-2
4.2.1 Pha adjustment of the CCD drive pul ……………………………..................... 4-2
4.3. INPUT ADJUSTMENT …………………………………………………….. 4-3
4.3.1 Shading compensation …………………………………………………….. 4-3
4.3.2 Line crawl compensation …………………………………………………….. 4-5
4.3.3 Fixed blemish compensation …………………………………………………….. 4-6
4.3.4 Career balance ………………………………………………………………... 4-7
4.4. BRIGHTNESS SIGNAL PROCESSING ADJUSTMENT ………………….... 4-8
4.4.1 γ characteristic ………………………………………………………………… 4-8
4.4.2 White Clip ………………………………………………………………… 4-9
4.4.3 Middle-high frequency enhancement ………………………………………….. 4-9
4.4.4 Aperture correction ………………………………………………………………… 4-10
4.4.5 Self adjustment of parameter that synchronizes with automatic control ………… 4-11
4.5. EXPOSURE CONTROL ……………………………………………………... 4-13
4.5.1 Fixation of IRIS ………………………………………………………………… 4-13
4.5.2 Exposure fixation and restart hysteresis ………………………………………….. 4-14
4.5.3 Exposure operation speed …………………………………………………….. 4-15
4.5.4 Range of exposure control ……………………………………………………... 4-16
4.5.5 Adjustment of exposure multiplication ………………………………………….. 4-16
4.5.6 Range of multiplication …………………………………………………….. 4-17
4.6. COLOR SIGNAL PROCESSING ADJUSTMENT ………………………………. 4-18
4.6.1 RGB matrix ……………………………………………………................... 4-19
4.6.2 RGB γ characteristic ……………………………………………………... 4-20
4.6.3 Generation of color difference signal ………………………………………….. 4-21
4.6.4 Generation of three reference point ………………………………………….. 4-21
4.6.5 Gain of color difference signal ……………………………………………………... 4-22
4.6.6 Pha adjustment of color difference ………………………………………….. 4-23
4.6.7 Color suppression ………………………………………………………………… 4-24
4.6.8 Adjustment of white balance to white sample ………………………………. 4-25
4.7. WHITE BALANCE CONTROL ………………………………………….. 4-26
4.7.1 Fixation of AWB ………………………………………………………………… 4-26
4.7.2 Adjustment of AWB multiplication frame ………………………………………….. 4-26
4.7.3 Range of AWB multiplication part ………………………………………….. 4-29
4.7.4 Adjustment of AWB fixation frame ………………………………………….. 4-30
4.7.5 Restriction of AWB range of motion ………………………………………….. 4-31
4.7.6 AWB operation speed ……………………………………………………... 4-32
4.7.8 Self adjustment of parameter that synchronizes with automatic control ………… 4-33
4-34 ADJUSTMENT ……………………………………………………...
4.8. OUTPUT
4-34
encoders ……………………………………………………...消防职责
4.8.1 Adjustment经验交流发言材料
of
output ……………………………………………………... 4-35
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4.8.2 Adjustment
of
4.9. ADDITIONS ………………………………………………………………… 4-37
4.9.1 Table of exposure control ……………………………………………………... 4-37
5-1
月子餐食谱表格…………………………………………………………………
５ REGISTER
LIST
1. Outline of LSI
This product is the LSI equipped with the drive timing pul generator of the 270-thousand to 470-thousand pixels CCD area nsor, each pul generator for the television signal, the signal processing function for converting to the video signal from the CCD image converted to digital signal, driver of Vertical transfer pul for the CCD and
AFE captured CDS, PGA, AD converter.
1.1. Feature
·Supply voltage: 4power sources of 15V, -8V, 3.3V, and 1.8V.
·It corresponds to the CCD of 270-thousand and 410-thousand pixels for NTSC,
320-thousand and 470-thousand pixels for PAL
·18MHz 12bit A/D converter is contained.
·Generating circuit for the CCD drive signal and various puls for television signals is contained.
·The analog image is outputted (10bit DA converter).
·NTSC/PAL are corresponded.
·YUV digital output (8bit x 2).
·Each parameter for camera signal processing is variable.
1.2. Functions of digital signal processing
·The automatic exposure control function is equipped.
靖康元年·The automatic white balance control function is equipped.
·The automatic carrier balance equalizer function is equipped.
·The line crawl compensation function is equipped.
·The white blemish compensation function is equipped.
·The brightness signal and the color signal gamma correction function is equipped independently.
·Lens shading compensation function is equipped.
·The strong glare correction function is equipped.
·The video output of the image inversion function is equipped.
·4K bit EEPROM Read/Write function for the adjustment parameter storage.
(EEPROM us the one which has the Page-write function of equal to or more than 16 bytes).
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2 Pin assignment Pin No. Signal I/O Function
A1 NC - Make open. (It connect with A2 and B1 inside)
A2 NC - Make open. (It connect with A1 and B1 inside)
A19 NC - Make open. (It connect with A20 and B20 inside)
A20 NC - Make open. (It connect with A19 and B20 inside)
B1 NC - Make open. (It connect with A1 and A2 inside)
拳击操B2 NC - Make open.
B3 SHD I Data sampling pul input. (Connect to B14.)
B4 SHR I Reference sampling pul input. (Connect to B15.)
B5 ADCK I AD Converter sampling clock input. (Connect to B17.)熊猫简笔画
B6 DVSS GND Digital output driver ground terminal.
B7 TEST4 I_D Test terminal. Make open or ground (Note.1)
B8 GND_TG GND Ground terminal.
B9 VDDH_TG VDDH_TG Power source terminal for I/O.（3.3V ）
B10 VDDL_TG VDDL Power source terminal for internal core.（1.8V ）
B11 OBCP O_4 OB pixel clamp pul output terminal. (Connect to C4.)
B12 POFD O_20 Electronic shutter pul output Connect to the appropriate terminal of CCD via the capacitor.
B13 GND GND Ground terminal.
B14 FS O_4 Output terminal of sample hold pul. (Connect to B3.)
B15 FCDS O_4 Output terminal of sample hold pul. (Connect to B4.)
B16 FR O_4 Ret transistor gate clock pul output Connect to the appropriate terminal of CCD via the capacitor.
B17 ADCKD O_4 AD converter sampling clock output. (Connect to the B5.)
B18 FH1 O_16 Horizontal shift register gate clock pul output. Connect to the appropriate terminal of CCD.
B19 VDDH_TG VDDH_TG Power source terminal for I/O. (3.3V)
B20 NC - Make open. (It connect with A19 and A20 inside)
C2 A VDD A VDD Analog power source terminal. (3.3V)
C3 CLP I Clamp control signal input. (Connect to C12.)
C4 OBP I Pul input for the black level detection. (Connect to B11.)
C5 RESETN I AFE ret input terminal. (Active Low)
C6 DO10 O_1 AD converter output terminal bit10. (Connect to C7.)
C7 ADI10 IS Video input terminal bit10. (Connect to C6.)
C8 VL VL Power source terminal. (-8V)
C9 BLKX O_4 Blanking output terminal. (Make OPEN.）
C10 GND_TG GND Ground terminal.
C11 GND GND Ground terminal.
C12 ADCLP O_4 AD input clamp pul output terminal. (Connect toC3)
C13 VDD VDD Power source terminal. (3.3V)
C14 OFDX I_U Overflow drain shutter pul input. (Connect to C15.)
C15 OFDXD O_4 Overflow drain shutter pul output. (Connect to C14.)
C16 VDDH_TG VDDH_TG Power source terminal for I/O.（3.3V ）
C17 GND_TG GND Ground terminal.
C18 VDDL_TG VDDL Power source terminal for internal core.（1.8V ）
