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參數(shù)資料
型號(hào)： LC749870LG
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA64
封裝： 5 X 5 MM, FLGA-64
文件頁(yè)數(shù)： 35/44頁(yè)
文件大小： 538K
代理商： LC749870LG
LC749870LG
No.A1765-40/44
14. No Signal Detection
This function detects no signal state.
The result of no signal detection is output to the INTREQ pin.
No signal detection function can be turned ON or OFF using I2A_NSDON [1]. Note that I2A_NSDON [0] is available
when no signal detection is OFF.
15. Clock Rate Conversion
The sampling rate converter converts an input video signal sampled at 4fsc into 13.5MHz, and outputs synchronized
signals with video data.
16. Sharpness
Sharpness of the image can be adjusted by detecting and forcibly correcting the edge of the luminance signal when the
image is scanned horizontally. Adjustments to the enhancing frequency range and level of enhancement are possible.
Sharpness can be turned ON or OFF using I2DSH_ON. The enhancing frequency range can be selected using
I2DSH_FILTER, and the level of enhancement can be adjusted using I2DSH_ATT.
17. Contrast/Brightness
Brightness adjusts the brightness of the entire screen and Contrast adjusts the brightness gain.
1) Contrast
Contrast can be controlled using I2DCB_CONT.
00H: 0 × to 80H: 1 × to FFH: 2 ×
2) Brightness
Brightness can be controlled using I2DCB_BRIGHT.
00H: -128 to 80H: ±0 to FFH: +127
18. CTI (Color Transient Improvement)
The color transient can be improved by steepening the slope of the input signal. Processed video without overshoot or
undershoot can provide more natural video images. The CTI can be switched between ON and OFF using
I2DCT_CTIEN. The gain can be controlled using I2DCT_GAIN. The higher the I2DCT_GAIN is set, the more
effective the CTI will be. CTI coring can be controlled using I2DCT_CORR. The higher the I2DCT_CORR is set, the
less effective coring will be for extremely small amounts of noise. The CTI’s tap parameter can be selected using
I2DCT_SMP. The higher the I2DCT_SMP is set, the more the CTI characteristics shift toward lower frequencies.
19. HUE
The hue of the screen as a whole can be adjusted. (Refer to Fig.17.)
The phase angle can be selected using I2DHU_HUE.
0H: -45° to -80H: 0° to FFH: 44° (with approx. 0.7° increments)
Fig.17 HUE
R
B
Standard
Plus
Standard
Minus
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC749870W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Silicon gate NTSC/PAL/SECAM Digital Video Decoder
LC749880T 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Silicon gate Image controller LSI for LCD-TV
LC749880T-E 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
LC74FCT162245T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
LC74FCT16245T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 8-bit Bus Transceiver
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