參數(shù)資料
型號: SDA9401
廠商: Electronic Theatre Controls, Inc.
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): 39/69頁
文件大?。?/td> 1142K
代理商: SDA9401
SDA 9401
Micronas
39
Preliminary Data Sheet
Distance: Number of pixels in system clocks X1/CLK2 between two output H-Syncs
time to close = time(field) * number of active pixels / (distance/512)
e.g. time to close = 10 ms * 720 / (864/512) = 4,26 s
time to close = time(field) * number of active pixels / (pplop/128)
Output write parameter: WINDVSP
LPFIP: Lines per field of the input signal - amount of lines between two input V-Syncs
time to close = time(field(interlaced)/frame(progressive)) * number of active lines / (lpfip/256)
e.g. time to close = 10 ms * 576 / (312/256) = 4.7 s
time to close = time(field) * number of active lines / (lpfop/128)
Output write parameter
11
pplop/32
distance/64
~0.5s
windvsp
freerun
mode
locked
mode
time to close/
open (e.g. 576
active lines,
10ms per output
field)
00
lpfop/128
lpfip/256
~5s
01
lpfop/64
lpfip/128
~2s
10
lpfop/32
lpfip/64
~1s
11
lpfop/16
lpfip/32
~0.5s
Parameter
Subaddress
Description
WINDVON
1: on
0: off
WINDVDR
1: close window
0: open window
WINDVST
1: window is opened
0: window is closed
WINDVSP
15h
Vertical window feature on or off
15h
Direction of the vertical window feature
15h
Status of the vertical window feature after enabling the
window feature
15h
Speed of the vertical window feature
windhsp
freerun
mode
locked
mode
time to close/
open (e.g. 720
active pixel,
10ms per output
field)
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