參數(shù)資料
型號: SDA9400
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Scan Rate Converter using Embedded DRAM Technology Units
中文描述: 掃描頻率轉(zhuǎn)換器采用嵌入式DRAM技術(shù)股
文件頁數(shù): 63/94頁
文件大?。?/td> 1180K
代理商: SDA9400
SDA 9400
Micronas
63
Preliminary Data Sheet
The parameter VPAN can be used to select the start line of the expansion. To expand the upper part
of the incoming signal with the factor 2.0, VPAN should be set to zero. To expand the lower part,
VPAN should be equal to 144. That means in case of VPAN=0 the first used line is line 1 and in case
of VPAN=144 the first used line is line 144.
Dependent on the parameter VERINT a certain number of input lines of the input field is required.
Therefore not all VPAN values are allowed. The formula below can be used to calculate the
maximum allowed VPAN value depending on the chosen VERINT value.
Calculation of maximum VPAN value
Floor symbol means: take only integer part of x
Output write parameter
2
6
3
21.33
16.00
1
4
2
32.00
24.00
0
2
1
64.00
48.00
Parameter
Subaddress
Description
VERINT
VPAN
FREQR
13h
1Ah
1Bh
Vertical expansion factor
Vertical adjustment of the output picture
Frequency range select
100/120 Hz
interlaced
RMODE=0
CONV=0
50/60 Hz
progressive
RMODE=1
CONV=0
real vertical
expansion
factor
real vertical
expansion
factor
VERINT
ZOOM
ZOOM
VDECON=0
VDECON=2
VPANmax
2
ALPFOP
1
VERINT
-----------------------------------
1
+
Θ
Ρ
64
=
x
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