参数资料
型号: M37221M8-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 87/114页
文件大小: 1653K
代理商: M37221M8-XXXSP
73
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4/M8/MA–XXXSP, M37221M6–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.11.9 Raster Coloring Function
An entire screen (raster) can be colored by setting the CRT port con-
trol register. Since each of the R, G and B pins can be switched to
raster coloring output, 8 raster colors can be obtained.
When the character color/the character background color overlaps
with the raster color, the color (R, G, B, OUT1, OUT2), specified for
the character color/the character background color, takes priority of
the raster color. This ensures that character color/character back-
ground color is not mixed with the raster color.
The example of raster coloring is shown in Figure 8.11.18.
Fig. 8.11.18 Example of Raster Coloring
HSYNC
A'
A
OUT1
R
G
B
: Character color “RED” (R + OUT1 + OUT2)
: Border color “BLACK” (OUT1 + OUT2)
: Background color “MAGENTA” (R + B + OUT1 + OUT2)
: Raster color “BLUE” (B + OUT1 + OUT2)
Signals
across
A-A'
OUT2
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