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參數(shù)資料
| 型號(hào)： | ST92195D5T1/XXX |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁(yè)數(shù)： | 249/250頁(yè) |
| 文件大?。?/td> | 3010K |
| 代理商： | ST92195D5T1/XXX |
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ST92195 ST92T195 ST92E195 - ON SCREEN DISPLAY (OSD)
ON SCREEN DISPLAY (Cont’d)
7.4.3.2 Color Processing
The color of any pixel on screen is the result of a
priority processing among several layers which
are (going from the lowest priority to the highest
one):
s
Full Screen Color where nothing is processed
s
Default Background Color (it assumes pixel is
off)
s
Serial
Background
Color
(pixel
off,
but
background color serial attributes activated)
s
Parallel
Background
Color
(pixel
off,
but
background color parallel attribute activated)
s
Default Foreground Color (pixel on, but no
foreground attribute activated)
s
Serial
Foreground
Color
(pixel
on
and
foreground serial attribute activated)
s
Parallel
Foreground
Color
(pixel
on
and
foreground parallel attribute activated)
Color processing is also the result of register con-
trol bits (for global color attributes) and color ori-
ented attribute bits (from serial or parallel at-
tributes), refer to the 7.4.4.3 on page 107
7.4.3.3 Pixel Clock Control
The pixel clock is generated outside of the display
macrocell by the on-chip Pixel Frequency multipli-
er which provides great frequency flexibility con-
trolled by software (refer to the RCCU chapter).
For example, reconfiguring the application from a
4/3 screen format to a 16/9 format is just a matter
of increasing the pixel frequency (i.e. reprogram-
ming the pixel frequency multiplier to its new val-
ue).
The output signal of the pixel frequency multiplier
is rephased by the Skew Corrector to be perfectly
in phase with the horizontal sync signal which
drives the display.
7.4.3.4 Display Character
Each character is made up of a 10 x 10 dots ma-
trix. All character matrix contents are fully user de-
finable and are stored in the pixel ROM (except the
G1 mosaic set which is hardware defined).
A set of colors defines the final color of the current
pixel.
In general, the character matrix content is dis-
played as it is, the pixel processing adding the
shape and the color information received from the
current attributes. Only three kinds of attributes al-
ter the displayed pixel. They are the following:
7.4.3.5 Rounding
Rounding can be enabled for the whole display us-
ing the GRE global attribute bit (See Table 18. on
page 100) In this effect one half-dot is added in or-
der to smooth the diagonal lines. This processing
is built into the hardware. The half-dot is painted
as foreground. This half-dot is field-sensitive for
minimum vertical size (Figure 52 on page 99).
An extra ‘smooth rounding’ capability is also built-
in (see Figure 53 on page 99). In smooth rounding,
a pixel is added even if dots make an ‘L’. This ca-
pability is activated using a parallel attribute (See
Table 21 Parallel Color and Shape Attributes.)
7.4.3.6 Underline
In this effect the last TV line of the character is dis-
played as foreground (Figure 52 on page 99).
7.4.3.7 Fringe
The fringe is a half-dot black border surrounding
completely the character foreground. This half-dot
is field sensitive for minimum vertical size (Figure
52 on page 99).
7.4.3.8 Translucency
Certain video processors are able to mix the RGB
and video signals. This function of the chroma pro-
cessor is then driven by the TSLU output pin of the
ST9 device. See Figure 55 on page 102.
7.4.3.9 Half-Tone
If the HT signal is activated, for example, while a
text box is displayed and a transparant back-
ground selected for all the display (MM bit =1 in
the FSCCR register), the HT signal performs a
contrast reduction to the background inside the
box. See Figure 56 on page 103.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST92195C8T1/XXX | 16-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQFP64 |
| ST92195C6B1/XXX | 16-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PDIP56 |
| ST92195C4B1/XXX | 16-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PDIP56 |
| ST9291N3 | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP56 |
| ST9291N6 | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP56 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST92195D6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER |
| ST92195D6B1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER |
| ST92195D6T1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER |
| ST92195D7 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER |
| ST92195D7B1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER |
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