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參數(shù)資料
| 型號(hào)： | LM1229 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | I2C Compatible CMOS TV RGB and Deflection Processor |
| 中文描述： | I2C兼容的CMOS電視RGB和偏轉(zhuǎn)處理器 |
| 文件頁(yè)數(shù)： | 11/27頁(yè) |
| 文件大?。?/td> | 969K |
| 代理商： | LM1229 |
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Application Information
(Continued)
Pin
No.
10
Pin Name
Schematic
Description
EW
OUT
EW
OUT
is the output used for control of width,
pincushion, trapezoid and top and bottom
corners. Its lowest voltage is in the middle of
vertical scan. The amplitudes of these functions
are register controlled.
11
FOCUS
OUT
FOCUS
OUT
is used for dynamic focus
adjustment. The peak to peak amplitude is
register controlled and if it is used for both
horizontal and vertical dynamic focus, their
amplitudes will be controlled proportionately.
V
CC
& GND
Power supply and ground pin for all the LM1229.
Note the recommended charge storage and high
frequency capacitors which should be as close to
pins wherever possible.
14
HDRIVE
OUT
This is the horizontal drive output. When this
output is low, the horizontal output transistor is
on and a positive edge at pin 14 starts the
flyback pulse. The duty cycle slowly increases to
50% when power is applied. The output sink
current should not exceed 10 mA.
15
SCL
The I
2
C compatible clock line. A pull-up resistor
of about 4.7 k
should be connected between
this pin and V
CC
. A resistor of at least 100
should be connected in series with the clock line
for additional ESD protection.
16
SDA
The I
2
C compatible data line. A pull-up resistor of
about 4.7 k
should be connected between this
pin and V
CC
. A resistor of at least 100
should
be connected in series with the data line for
additional ESD protection.
L
www.national.com
11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM1229VEC | I2C Compatible CMOS TV RGB and Deflection Processor |
| LM1229YA | I2C Compatible CMOS TV RGB and Deflection Processor |
| LM1247 | 150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
| LM1270 | Hi-Brite 200 MHz I2C Compatible RGB Image Enhancer with Video Auto Sizing |
| LM1270N | Hi-Brite 200 MHz I2C Compatible RGB Image Enhancer with Video Auto Sizing |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1229VEC | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:I2C Compatible CMOS TV RGB and Deflection Processor |
| LM1229YA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:I2C Compatible CMOS TV RGB and Deflection Processor |
| LM122H | 制造商:QP Semiconductor 功能描述:Precision Timer 10-Pin TO-100 |
| LM122H/883 | 制造商:QP Semiconductor 功能描述:Precision Timer |
| LM122H-MIL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Timer Circuit |
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