參數(shù)資料
型號： M37274EFSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, MICROCONTROLLER, PDIP52
封裝： 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-52
文件頁數(shù)： 83/147頁
文件大小： 2042K
代理商： M37274EFSP
40
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274EFSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
MITSUBISHI MICROCOMPUTERS
Fig. 35. Sync Slice Register
(1) Clamping Circuit and Low-pass Filter
This filter attenuates the noise of the composite video signal input
from the CVIN pin. The CVIN pin to which composite video signal is
input requires a capacitor (0.1
F) coupling outside. Pull down the
CVIN pin with a resistor of hundreds of kiloohms to 1 M . In addition,
we recommend to install externally a simple low-pass filter using a
resistor and a capacitor at the CVIN pin (refer to Figure 25).
(2) Sync Slice Circuit
This circuit takes out a composite sync signal from the output signal
of the low-pass filter. Figure 25 shows the structure of the sync slice
register.
b7 b6 b5 b4 b3 b2 b1 b0
Sync slice register (SSL) [Address 00E3 16]
Sync Slice Register
7
0R W
Vertical synchronous
signal (Vsep) generating
method selection bit
(SSL7)
0, 2
Fix these bits to “1.”
B
After reset
Functions
Name
RW
0: Method 1
1: Method 2
0001
01
0R W
1,
3 to 6
Fix these bits to “0.”
0
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相關代理商/技術參數(shù)
參數(shù)描述
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M37274MA-052SP 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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