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參數(shù)資料
| 型號： | MTV030 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | On-Screen Display with Auto-Sizing Controller |
| 中文描述： | 屏幕顯示與自動上漿控制器 |
| 文件頁數(shù)： | 12/21頁 |
| 文件大?。?/td> | 372K |
| 代理商： | MTV030 |
12/21
MTV030 Revision 1.0 10/15/1999
MTV030
MYSON
TECHNOLOGY
FSS - Font size selection.
= 1
12x18 font size selected.
= 0
12x16 font size selected.
VMEN - Auto sizing video measurement enable bit. All video measurements commence at the following VFLB
pulse after the VMEN bit is set, complete the measurement after one vertical frame.
SELVCL - Enable auto detection for horizontal and vertical syncs input edge distorition to avoid unstable
Vsync leading mismatch with Hsync signal while the bit is set to "1". The initial value is 0 after
power up.
HSP -
= 1
Accept positive polarity Hsync input.
= 0
Accept negative polarity Hsync input.
VSP -
= 1
Accept positive polarity Vsync input.
= 0
Accept negative polarity Vsync input.
VCO1, VCO0 - Select the appropriate curve partitions of VCO frequency to voltage based on HFLB input and
horizontal resolution register (HORR).
= (0, 0)
6 MHz < Pixel rate < 28 MHz
= (0, 1)
28 MHz < Pixel rate < 56 MHz
= (1, 0)
56 MHz < Pixel rate < 112 MHz
= (1, 1)
112 MHz < Pixel rate < 150 MHz
where Pixel rate = VCLK Freq = HFLB Freq * HORR * 12
The initial value is (0, 0) after power up.
Notes :
1. That is, if HORR is specified, then (VCO1, VCO0)
= (0, 0) if 6000/(HORR * 12) < HFLB Freq (KHz) < 28000/(HORR * 12)
= (0, 1) if 28000/(HORR * 12) < HFLB Freq (KHZ) < 56000/(HORR * 12)
= (1, 0) if 56000/(HORR * 12) < HFLB Freq (KHZ) < 112000/(HORR * 12)
= (1, 1) if 112000/(HORR * 12) < HFLB Freq (KHZ) < 150000/(HORR * 12)
2. It is necessary to wait for the PLL to become stable while (i) the HORR register is changed; (ii) the (VCO1, VCO0)
bits is changed; (iii) the horizontal signal (HFLB) is changed.
3. When PLL is unstable, don't write data in any address except Column 15,17,18 of Row 15. If data is written in any
other address, a malfunction may occur.
Fonts designed to be 12x18 display
FIGURE 7. 12x18 and 12x16 Fonts
Output display if FSS=0; first and last lines omitted
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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