參數(shù)資料
型號(hào)： M37220M3-167SP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
中文描述： 單芯片8位CMOS微機(jī)電壓合成與屏幕顯示控制器
文件頁數(shù)： 37/53頁
文件大?。?/td> 1281K
代理商： M37220M3-167SP
MITSUBISHI MICROCOMPUTERS
M37220M3-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
37
AAAAA
AAAAA
AAAAA
AAAAA
A'
A
A
A
“RED”
“BLUE”
H
SYNC
R
B
OUT
Signals
across
A – A'
(8) CRT Output Pin Control
The CRT output pins R, G, B, and OUT can also function as ports
P5
2
, P5
3
, P5
4
and P5
5
. Set the corresponding bit of the port P5 di-
rection register (address 00CB
16
) to “0” to specify these pins as CRT
output pins, or set it to “1” to specify it as a general-purpose port P5
pins.
The input polarity of signals H
SYNC
and V
SYNC
and output polarity of
signals R, G, B, and OUT can be specified with the bits of the CRT
port control register (address 00EC
16
) . Set a bit to “0” to specify
positive polarity; set it to “1” to specify negative polarity. The struc-
ture of the CRT port control register is shown in Figure 38.
(9) Raster Coloring Function
An entire screen (raster) can be colored by setting the bits 5 to 7 of
the CRT port control register. Since each of the R, G, and B pins can
be switched to raster coloring output, 7 raster colors can be obtained.
If the R, G, and B pins have been set to MUTE signal output, a raster
coloring signal is output in the part except a no-raster colored char-
acter (in Figure 39, a character “O”) during 1 horizontal scanning
period. This ensures that character colors do not mix with the raster
color. In this case, MUTE signal is output from the OUT pin.
An example in which a magenta character “I” and a red character “O”
are displayed with blue raster coloring is shown in Figure 39.
Fig. 39. Example of raster coloring
Fig. 38. Structure of CRT port control register
0
7
CRT port control register
(CRTP : address 00EC
16
)
H
SYNC
input polarity switch
bit
0 : Positive polarity
1 : Negative polarity
R signal output switch bit
0 : R signal output
1 : MUTE signal output
V
SYNC
input polarity switch
bit
0 : Positive polarity
1 : Negative polarity
R, G, B output polarity switch
bit
0 : Positive polarity
1 : Negative polarity
OUT output polarity switch
bit
0 : Positive polarity
1 : Negative polarity
G signal output switch bit
0 : G signal output
1 : MUTE signal output
B signal output switch bit
0 : B signal output
1 : MUTE signal output
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37220M3-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
M37221EAFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221EASP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
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