參數(shù)資料
型號(hào)： 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)： 44/94頁
文件大?。?/td> 1180K
代理商： SDA9400
SDA 9400
Micronas
44
Preliminary Data Sheet
6.5.2
VOUT generator
The VOUT generator has two operation modes, which can be selected by the parameter VOUTFR.
The VOUT signal is active high (VOUTPOL=0) for two output lines. In the freerunning-mode the
VOUT signal is generated depending on the LPFOP parameter.
In the locked-mode the VOUT signal is synchronized by the incoming V-Sync signal VIN (means the
internal VIN delayed by the parameter OPDEL, see also
Input sync controller (ISC)
on page 11).
Furthermore the CONV parameter defines, how many V-Syncs VIN have to be suppressed for
synchronization. In the freerunning-mode the CONV parameter has to be set to CONV=0. Both the
CONV and RMODE parameter (raster mode 1: progressive, 0: interlaced) determine the scan rate
conversion mode. The figure below shows some examples. If CONV=000 and RMODE=1, then for
each incoming V-sync signal VIN an outgoing V-sync signal VOUT has to be generated (e.g. 50 Hz
interlaced to 50 Hz progressive scan rate conversion). If CONV=000 and RMODE=0, then during
one incoming V-Sync signal, two VOUT pulses have to be generated (e.g. 50 Hz interlaced to 100
Hz interlaced scan rate conversion). If CONV=111 and RMODE=1, then during two incoming VIN
signals, three VOUT pulses have to be generated. That means every second VIN is not used to
synchronize the output V-Sync raster on the incoming V-Sync raster. If CONV=110 and RMODE=1,
then during five incoming VIN signals, seven VOUT pulses have to be generated.
Examples for VOUT generation depending on parameter CONV and RMODE
Output write parameter: CONV, RMODE
CONV
RMODE = 0
RMODE = 1
Factor
MODE
Input syncs
1
Output syncs
2
Output syncs
1
e.g.
50->100 Hz interlaced,
50-> 50 Hz progressive
000
1.0
001
010
011
8
7
6
18
16
14
9
8
7
1.125 (9/8)
1.14 (8/7)
1.16 (7/6)
60->140 Hz interlaced,
60->70 Hz progressive
50->120 interlaced,
50->60 Hz progressive
60->150 Hz interlaced,
60->75 Hz progressive
100
5
12
6
1.2 (6/5)
101
4
10
5
1.25 (5/4)
VIN
VOUT
(CONV=111)
VOUT
(CONV=110)
RMODE=1
VOUT
(CONV=000)
RMODE=0
VOUT
(CONV=000)
相關(guān)PDF資料
PDF描述
SDA9410-B13 Display Processor and Scan Rate Converter using Embedded DRAM Technology Units
SDA9415-B13 Display Processor and Scan Rate Converter
SDA9488X Cost-effective Picture-In-Picture ICs
SDA9588X Cost-effective Picture-In-Picture ICs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SDA9401 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Scan Rate Converter using Embedded DRAM Technology Units
SDA9410-B13 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Display Processor and Scan Rate Converter using Embedded DRAM Technology Units
SDA9415-B13 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Display Processor and Scan Rate Converter
SDA9488X 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Cost-effective Picture-In-Picture ICs
SDA9489X 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PIP IV Advanced SOPHISTICUS High-End Picture-In-Picture ICs
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