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參數(shù)資料
| 型號(hào)： | M37280MFH-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64 |
| 封裝： | 0.750 INCH, PLASTIC, SDIP-64 |
| 文件頁數(shù)： | 18/171頁 |
| 文件大?。?/td> | 1465K |
| 代理商： | M37280MFH-XXXSP |
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114
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37280MFH–XXXSP, M37280MKH–XXXSP
M37280EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.11.17 OSD Output Pin Control
The OSD output pins R(R1), G(G1), B(B1) and OUT1 can also func-
tion as ports P52 to P55. Set the corresponding bit of the OSD port
control register (address 00CB16) to “0” to specify these pins as OSD
output pins, or set it to “1” to specify it as a general-purpose port P5
pin.
Pins R0, G0 and B0 can also function as ports P17, P15 and P16,
respectively. Set bit 1 of the OSD port control register to “0” to specify
these pins as a general-purpose output port P1 pin, or set it to “1” to
specify it as OSD output pins. When “0,” 4-adjustment-level analog
output is output from pins R, G and B. When “1,” the value which is
converted from the analog to the 2-bit digital is output as follows: the
high-order bit is output pins R1, G1 and B1 and the low-order bit is
output from pins R0, G0 and B0.
The OUT2 can also function as Port P10. Set bit 0 of the port P1
direction register (address 00C316) to “1” (output mode). After that,
set bit 6 of the OSD port control register to “1” to specify the pin as
OSD output pin, or set it to “0” to specify as port P10 pin.
The input polarity of the HSYNC, VSYNC and output polarity of signals
R, G, B, OUT1 and OUT2 can be specified with the I/O polarity con-
trol register (address 021716). Set a bit to “0” to specify positive
polarity; set it to “1” to specify negative polarity (refer to Figure 8.11.18).
The OSD port control register is shown in Figure 8.11.54.
Fig. 8.11.54 OSD Port Control Register
b7 b6 b5 b4 b3 b2 b1 b0
OSD port control register (PF) [Address 00CB16]
b
Name
Functions
After reset
R W
OSD Port Control Register
00
R W
Fix this bit to “0”
00
2
0 : R signal output
1 : Port P52 output
0
R W
3
Port P53 output signal
selection bit (G)
0 : G signal output
1 : Port P53 output
0
R W
4
Port P54 output signal
selection bit (B)
0 : B signal output
1 : Port P54 output
0
R W
5
Port P55 output signal
selection bit (OUT1)
0 : OUT1 signal output
1 : Port P55 output
0
R W
6
Port P10 output signal
selection bit (OUT2)
0 : Port P10 signal output
1 : OUT2 output
0
R W
Port P52 output signal
selection bit (R)
70
R W
Fix this bit to “0”
1
0 : 4-adjustment-level analog is
output from pins R, G, B.
1 : Value which is converted
from 4-adjustment-level
analog to 2-bit digital is
output as below:
High-order: from R1, G1, B1
Low-order: from R0, G0, B0
0
R W
R, G, B output method
selection bit (RGB2BIT)
Note: When using ports P52 to P54 as general-purpose pins, set bit 2 of OSD
control register 2 (address 021516) to “0.”
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| M37280MF-XXXSP | 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 |
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| M37280MK-103SP | 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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