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參數(shù)資料
| 型號(hào)： | M37280MK-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64 |
| 封裝： | 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64 |
| 文件頁(yè)數(shù)： | 165/181頁(yè) |
| 文件大?。?/td> | 1878K |
| 代理商： | M37280MK-XXXSP |
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81
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
Rev. 1.0
12.11.5 Field Determination Display
To display the block with vertical dot size of 1/2H, whether an even
field or an odd field is determined through differences in a synchro-
nizing signal waveform of interlacing system. The dot line 0 or 1 (re-
fer to Figure 12.11.19) corresponding to the field is displayed alter-
nately.
In the following, the field determination standard for the case where
both the horizontal sync signal and the vertical sync signal are nega-
tive-polarity inputs will be explained. A field determination is deter-
mined by detecting the time from a falling edge of the horizontal sync
signal until a falling edge of the VSYNC control signal (refer to Figure
Fig. 12.11.18 I/O Polarity Control Register
12.11.19) in the microcomputer and then comparing this time with
the time of the previous field. When the time is longer than the com-
paring time, it is regarded as even field. When the time is shorter, it is
regarded as odd field.
The field determination flag changes at a rising edge of VSYNC con-
trol signal in the microcomputer.
The contents of this field can be read out by the field determination
flag (bit 7 of the I/O polarity control register at address 021716). A dot
line is specified by bit 6 of the I/O polarity control register (refer to
Figure 12.11.19).
However, the field determination flag read out from the CPU is fixed
to “0” at even field or “1” at odd field, regardless of bit 6.
b7 b6 b5 b4 b3 b2 b1 b0
I/O polarity control register (PC) [Address 021716]
B
Name
Functions
After reset R W
I/O Polarity Control Register
0HSYNC input polarity
switch bit (PC0)
0 : Positive polarity input
1 : Negative polarity input
0
1
0 : Positive polarity input
1 : Negative polarity input
0
2
R, G, B output polarity
switch bit (PC2)
0 : Positive polarity output
1 : Negative polarity output
0
3
0
VSYNC input polarity
switch bit (PC1)
R W
R —
Note: Refer to Fig. 12.11.19.
0 : “
” at even field
“
” at odd field
1 : “
” at even field
“
” at odd field
4
OUT1 output polarity
switch bit (PC4)
0 : Positive polarity output
1 : Negative polarity output
0
5
OUT2 output polarity
switch bit (PC5)
0 : Positive polarity output
1 : Negative polarity output
0
6
Display dot line selection
bit (PC6) (See note)
0
7
Field determination
flag(PC7)
0 : Even field
1 : Odd field
1
R W
R —
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0”.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37280MKH-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64 |
| M37280MFH-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP64 |
| M37281MFH-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37281MAH-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37281EKSP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37281EKSP | 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 |
| M37281ERSS | 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過(guò)時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| M37281MAH-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 |
| M37281MFH-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 |
| M37281MKH-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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