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參數(shù)資料
| 型號： | M37224M3 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 8 Bits Microcomputer(8位單片機) |
| 中文描述： | 單芯片8位單片機（8位單片機） |
| 文件頁數(shù)： | 47/83頁 |
| 文件大?。?/td> | 901K |
| 代理商： | M37224M3 |
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M37224M3-XXXSP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
47
(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 an 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 48.
Fig. 48. CRT Port Control Register
b7 b6 b5 b4 b3 b2 b1 b0
CRT port control register (CRTP) [Address 00EC
16
]
B
Name
Functions
After reset
R W
CRT Port Control Register
0
H
SYNC
input polarity
switch bit (HSYC)
0 : Positive polarity
1 : Negative polarity
0
1
0 : Positive polarity
1 : Negative polarity
0
2
R/G/B output polarity switch
bit (R/G/B)
0 : Positive polarity
1 : Negative polarity
0
3
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
0
4
OUT output polarity
switch bit (OUT)
0 : Positive polarity
1 : Negative polarity
0
5
R signal output switch bit
(OP5)
0 : R signal output
1 : MUTE signal output
0
6
G signal output switch bit
(OP6)
0 : G signal output
1 : MUTE signal output
0
7
B signal output switch bit
(OP7)
0 : B signal output
1 : MUTE signal output
0
V
SYNC
input polarity
switch bit (VSYC)
R W
R W
R W
R —
R W
R W
R W
R W
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M37224M3-050SP | 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 with ON-SCREEN DISPLAY CONTROLLER |
| M37224M3-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 |
| M37225ECSP | 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 with ON-SCREEN DISPLAY CONTROLLER |
| M37225M6 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37225M8 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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