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參數(shù)資料
| 型號： | M37271EF-XXXSP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| 中文描述： | 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器 |
| 文件頁數(shù)： | 74/97頁 |
| 文件大?。?/td> | 1436K |
| 代理商： | M37271EF-XXXSP |
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MITSUBISHI MICROCOMPUTERS
M37271MF-XXXSP
M37271EF-XXXSP, M37271EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
74
(15) OSD Output Pin Control
The OSD output pins R, G, B, and OUT1 can also function as ports
P5
2
, P5
3
, P5
4
and P5
5
. Set the corresponding bit of the OSD port
control register (address 00CB
16
) to “0” to specify these pins as OSD
output pins, or set it to “1” to specify it as a general-purpose port P5
pins. The OUT2, I1, and I2 can also function as port P1
0
, P1
5
, P1
6
.
Set the corresponding bit of the port P1 direction register (address
00C3
16
) to “1” (output mode). After that, switch between the OSD
output function and the port function by the OSD port control regis-
ter. Set the corresponding bit to “1” to specify the pin as OSD output
pin, or set it to “0” to specify as port P1 pin.
The input polarity of the H
SYNC
, V
SYNC
and output polarity of signals
R, G, B, I1, I2, OUT1 and OUT2 can be specified with the I/O polarity
control register (address 0217
16
) . Set a bit to “0” to specify positive
polarity; set it to “1” to specify negative polarity (refer to Figure 64).
The structure of the OSD port control register is shown in Figure 83.
Fig. 83. Structure of OSD port control register
7
0
0
OSD port control register
(PF : address 00CB
16
)
Port P1
5
output signal selection bit
0 : Port P1
5
output
1 : I1 signal output
Port P1
6
output signal selection bit
0 : Port P1
6
output
1 : I2 signal output
Port P5
2
output signal selection bit
0 : R signal output
1 : Port P5
2
output
Port P5
3
output signal selection bit
0 : G signal output
1 : Port P5
3
output
Port P5
4
output signal selection bit
0 : B signal output
1 : Port P5
4
output
Port P5
5
output signal selection bit
0 : OUT1 signal output
1 : Port P5
5
output
Port P1
0
output signal selection bit
0 : Port P1
0
output
1 : OUT2 signal output
Fix this bit to “0.”
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| M37271MF | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37271MF-213SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37271MF-219SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
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