參數(shù)資料
型號: VCT3801A
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Video/Controller/Teletext IC Family
中文描述: 視頻/控制/圖文電視IC系列
文件頁數(shù): 81/172頁
文件大?。?/td> 2243K
代理商: VCT3801A
ADVANCE INFORMATION
VCT 38xxA
Micronas
81
029F H
Write
ACQ STANDARD
Bit
Reset
Function
7
0
1 = CAPTION enable in field 2
0 = CAPTION disable in field 2
6
0
1 = CAPTION enable in field 1
0 = CAPTION disable in field 1
5
0
1 = VPS enable
0 = VPS disable
7 to 5
0
VPS and CAPTION cannot be used at the same time, therefore these combinations are used to enable
WSS reception on a PAL+ signal
0 =
1 = VPS
2 = CAPTION field 1
3 = WSS & VPS
4 = CAPTION field 2
5 = WSS & VPS
6 = CAPTION field 1&2
7 = WSS
4
1
1 = acquisition enable
0 = acquisition disable
1 to 0
0
00 = PAL mode
10 = NTSC mode
11 = Caption full field mode
02A3 H
Write
ACQ VIDEO INPUT
Bit
Reset
Function
1 to 0
0
00 = VIN1
01 = VIN2
10 = VIN3
11 = VIN4
02A4 H
Read
ACQ HSYNC COUNTER
Bit
Reset
Function
7 to 0
0
number of detected horizontal sync pulses per frame divided by 4
sync pulse is detected if within horizontal window of HPLL
counter is latched with vertical sync, the register can be read at any time
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