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参数资料
| 型号： | ST92186B3BK |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP32 |
| 封装： | PLASTIC, SDIP-32 |
| 文件页数： | 131/148页 |
| 文件大小： | 1664K |
| 代理商： | ST92186B3BK |
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ST92186B - ON SCREEN DISPLAY CONTROLLER (OSD)
OSD CONTROLLER (Cont’d)
All colors are taken from a double Palette set
(Background and Foreground) which are both OS-
DRAM mapped and thus definable in real-time.
The priority of all color layers is, from highest to
lowest:
Underline, foreground & rounding, fringe, back-
ground and border.
Character code 00h is a test character and has no
user customized content. It is always displayed
with a border color and will appear as a “non-dis-
played character”.
7.4.3.4 Character Matrix Definition
A character is described by a matrix of dots stored
in the Font ROM memory. Two matrix sizes are
can be used to define each character pattern: ei-
ther a 9x13 matrix or a 18x26 matrix. The matrix
size can be redefined for each row Display buffer;
mixing the 2 matrix sizes on a same screen is
therefore possible.
Refer to Figure 54, for an example of the Font
ROM content.
The 9x13 matrix is a compressed format where
each bit represents a 2x2 pixel dot (with no magni-
fication applied). In interlaced mode, for each dot,
2 pixels are generated on a field, the 2 others on
the other field; each row of the matrix is used for
both fields.
The 18x26 matrix is an “expanded” format where
each bit represents a 1x1 pixel dot (if no magnifi-
cation). In interlaced mode, if no magnification is
applied, each odd row of the matrix is displayed on
a field, each even row on the other field.
Warning: As a result, when displaying the 18x26
matrix with no vertical magnification and in inter-
laced mode, flicker may be visible on characters
containing long single-pixel rows. To avoid this ef-
fect, either use double pixel horizontal lines, if pos-
sible, when designing the font (see Figure 46). Al-
ternatively, use the double height attribute or
choose the foreground and background colors for
reduced contrast.
Figure 46. Avoiding flicker on unmagnified 18x26 characters
Modified character design
with visible flicker
Original character design
相关PDF资料 |
PDF描述 |
|---|---|
| ST92195B2T1/XXX | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP64 |
| ST92195B3B1/XXX | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP56 |
| ST92195B4B1/XXX | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP56 |
| ST92195B5T1/XXX | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP64 |
| ST92195B6T1/XXX | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP64 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST92195 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER |
| ST92195B | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER |
| ST92195B1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER |
| ST92195B1B1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER |
| ST92195B1T1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:32-64K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY AND TELETEXT DATA SLICER |
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