參數(shù)資料
型號(hào)： STV9937P
廠商： 意法半導(dǎo)體
英文描述： 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays
中文描述： 120 - MHz的屏幕的顯示器，其中包括PictureBooSTTM和4個(gè)真正的獨(dú)立的窗口顯示顯示
文件頁(yè)數(shù)： 30/49頁(yè)
文件大?。?/td> 441K
代理商： STV9937P
Picture BooSTTM
STV9937
30/49
7
Picture BooST
TM
Picture BooST
TM
allows images to be boosted either within a window, a screen area or over the
entire screen. To perform this function, the STV9212 preamplifier is required as well as the Picture
BooST
TM
software which sends the window or screen area coordinates (X1, X2,Y1,Y2) to the RGB
video channels.
The Picture BooST
TM
system embedded in the STV9937 includes:
●
The RGB Comparator
●
The Coordinate Decoder
●
The Control and Data registers
The STV9937 computes the data received on the RGB channel and generates a BooST signal
which is then sent to the STV9212. The coordinates can be received through the I2C bus by the
MCU as well.
The STV9937 also includes three 8 bits register used to store data received by RGB.
7.1
Video RGB Input Stage
The input stage is a triple analog-digital buffer for the video RGB inputs.
●
The input voltage range is 0 to 0.7 V
●
The inputs have to be supplied through a serial capacitor (100nF)
●
The input RGB must be set to ‘0’ during the horizontal sync.
The input stage includes a clamping function using the Hsync signal to fix the DC level of inputs.
The input stage is configured by three control bits; THCTL, CLP and ENCL as shown in
Figure 37
.
Figure 13: Hsync Clamping Function
THTCL
ENCL
HSYNC
CLP
AND
100nF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STV9937P/AA 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays
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