參數(shù)資料
型號(hào): AL128
廠商: Electronic Theatre Controls, Inc.
元件分類(lèi): 圓形連接器
英文描述: Circular Connector; No. of Contacts:55; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No
中文描述: 即插即用VGA到的NTSC / PAL制式轉(zhuǎn)換器
文件頁(yè)數(shù): 36/45頁(yè)
文件大?。?/td> 498K
代理商: AL128
AL128
April 2, 1999
36
43h:
Detected Vertical Total (R only) [GINVTOTAL]
GinVTotal
<7:0>
This value can also be used to determine the input resolution:
Detected vertical total (Unit: 4 lines)
Detected vertical total
Estimated Input Resolution
<480
720 x 400 (DOS mode)
481~600
640 x 480 (VGA)
601~768
800 x 600 (SVGA)
>769
1024 x 768 (XGA)
44h:
Detected Scan Rate (R only) [SCANRATE]
ScanPeriod
<6:0>
Total number of TV lines counted during an input VGA
frame period, in unit of 4 lines.
1 if graphic vsync is active
GinVsync
<7>
To determine the VGA refresh rate (VGArr):
For NTSC:
VGArr = (525 / (Reg.#44h<6:0>)) * 59.94 / 8
For PAL:
VGArr = (625 / (Reg.#44h<6:0>)) * 50 / 8
45h:
Vertical Postion Status (R only) [TVSTATUS]
GinData
<2:0>
Green0, blue1, blue0 pins
, reserved as input ports when
these hardware pins are not used for digital input.
I2C pin
I2C address select pin
TV blanking signal
Odd/even field
0
Even field
1
Odd field
1
if TV Vsync is active
I2cP
I2cP
TvBlank
TvField
<3>
<4>
<5>
<6>
TvVsync
<7>
Encoder Output Block
50h:
Encoder Control: (R/W) [ENCODERCTRL]
Reserved
<0>
ColorBar
<1>
BW
<2>
TvBright
<4:3>
Filter2
<5>
Color bar enable ** Color bar **
Make TV output Black and white
TV brightness control ** Brightness **
Turned on only for TV without comb filter
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