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The 10bit CCD output signal from the AFE chip is processed as follows:
1. The outline in the horizontal and vertical directions is corrected
2. The characteristics of gray-scale are corrected by gamma correction.
3. The white balance is corrected.
4. The RGB signal is converted to the luminance signal (Y signal) and the color difference signal (R-Y
(V), B-Y (U) signal).
5. The color saturation and phase are adjusted by color difference matrix.
6. It is output as YUV 8bit signal.
=CCD Driving Signal and Timing Signal Generation=
CCD Driving Signal [For horizontal (H1, H2, RG), vertical (V1, V2A, V2B, V3)], Timing Signal [HREF
Signal, Vsync Signal, and AFE (DS1, DS2, ADCLK, CPOB)] etc. are output. The timing of these signals is
set by a serial signal from the CAMERA CPU.
=AE Control Signal Generation=
Based on the luminance signal level detected by the image signal processing area, the AGC gain
control and the exposure time control to CCD of the AFE chip (by CCD shutter speed control signal
(SUBA Signal (IC2(pin V6) --> C7 --> C6 --> IC1(pin 10))) are performed.
3. Clock
Generated on 24.5454MHz crystal oscillator (X1) on the board.
4. Regulator (IC4)
Input +3.3V, 2.9V
Package: 5pinSOP
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Содержание BB-HCM371A - Outdoor Wireless Network Camera
Страница 3: ...1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED MAIN BOARD I O BOARD 3 ...
Страница 4: ...CAMERA BOARD 4 ...
Страница 5: ...SENSOR BOARD 5 ...
Страница 6: ...RF BOARD 6 ...
Страница 16: ...6 3 BOTTOM VIEW 6 4 REAR VIEW 16 ...
Страница 29: ...6 Remove Main Board and I O Board from Cabinet Body 7 Remove Connector A Connector B and Connector C 29 ...
Страница 36: ...36 ...
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Страница 40: ...9 5 CAUTIONS FOR CAMERA BOARD ATTACHMENT 40 ...
Страница 41: ...9 6 CAUTIONS FOR TILT MOTOR ATTACHMENT Attach the Tilt Motor and fix it with the Screws D 41 ...
Страница 44: ...44 ...
Страница 45: ...45 ...
Страница 47: ...10 TROUBLE SHOUTING 10 1 BASIC OPERATION 47 ...
Страница 48: ...10 2 CHECK FOR OTHER FUNCTION 48 ...
Страница 49: ...10 3 CHECK FOR SCREEN BLOCK 49 ...
Страница 50: ...50 ...
Страница 51: ...10 4 CHECK FOR SOUND BLOCK 51 ...
Страница 52: ...10 4 1 Built in Microphone 52 ...
Страница 53: ...10 4 2 External Microphone 10 4 3 Speaker Output 53 ...
Страница 54: ...10 4 4 Common Flow Of Built in Microphone External Microphone And Speaker Output 10 4 5 Check For LAN Block 54 ...
Страница 55: ...10 5 CHECK FOR MOTOR DRIVING BLOCK 10 5 1 Check For The Action Of Pan 55 ...
Страница 56: ...10 5 2 Check For The Action Of Tilt 56 ...
Страница 57: ...10 6 CHECK FOR SD CARD 57 ...
Страница 58: ...58 ...
Страница 59: ...10 7 CHECK FOR POWER SUPPLY BLOCK 59 ...
Страница 60: ...60 ...
Страница 61: ...10 8 CHECK FOR RTC CIRCUIT 10 9 CHECK FOR I O TERMINAL 61 ...
Страница 62: ...10 10 CHECK FOR LED CIRCUIT 62 ...
Страница 63: ...10 11 RF BLOCK 63 ...
Страница 64: ...10 12 CHECK FOR INITIALIZATION 64 ...
Страница 65: ...65 ...
Страница 90: ...C141 ECUV1E103KBV 0 01 90 ...
Страница 92: ...C330 ECUV1H150JCV 15P S 92 ...
Страница 94: ...L404 G1C100M00027 COIL 94 ...
Страница 96: ...R217 ERJ3EKF51R1 51 1 96 ...
Страница 98: ...R420 ERJ3EKF3302 33K 98 ...
Страница 109: ...L71 L72 L73 L74 Q71 CN71 1 8 BB HCM371A SENSOR BOARD ...
Страница 110: ...C72 R71 R72 C71 R73 IC71 CN72 PSUP1466Z PbF C BB HCM371A SENSOR BOARD ...
Страница 115: ...A1 A2 C1 C2 C3 F1 D1 D2 D3 D4 F2 B E G H1 ...
Страница 116: ...H2 I J O K L N M ...
Страница 117: ...Q P R1 R3 S1 S3 R2 S2 ...
Страница 119: ...X X Z2 Z3 Z4 Z5 ...