參數(shù)資料
型號(hào)： HMP8172
廠商： Intersil Corporation
英文描述： NTSC/PAL Video Encoder
中文描述： NTSC / PAL視頻編碼器
文件頁數(shù)： 16/33頁
文件大小： 232K
代理商： HMP8172
16
TABLE 16. INPUT FORMAT REGISTER
SUB ADDRESS = 02
H
BIT
NUMBER
FUNCTION
DESCRIPTION
RESET
STATE
7-5
Input Format
000 = 16-bit 4:2:2 YCbCr
001 = 8-bit 4:2:2 YCbCr
010 = 8-bit BT.656
011 = Reserved
100 = Reserved
101 = Reserved
110 = Reserved
111 = Reserved
000
B
4 - 0
Reserved
00000
B
TABLE 17. VIDEO PROCESSING REGISTER
SUB ADDRESS = 03
H
BIT
NUMBER
FUNCTION
DESCRIPTION
RESET
STATE
7
Luminance
Processing
0 = None
1 = Y Lowpass filtering enabled
1
B
6
Composite Video
Limiting
0 = None
1 = Lower limit of composite active video is about half the sync height
0
B
5
SCH Phase
Mode
0 = Never reset SCH phase
1 = Reset SCH phase every 4 (NTSC) or 8 (PAL) fields
1
B
4
RGB / YUV
Setup Select
This bits specifies the blanking pedestal on the analog RGB and YUV outputs during active
video.Typically,thisbitshouldbea“1”during(M)NTSCand(M,N)PALoperation.Otherwise,
it should be a “0”. This bit does not affect the analog composite or Y/C outputs.
0 = 0 IRE
1 = 7.5 IRE
0
B
3
RGB Output
Pins Select
This bit configures on what pins the analog RGB video is output.
0 = HMP8156 compatible
1 = SCART compatible
0
B
2-0
Reserved
000
B
TABLE 18. TIMING I/O REGISTER #1
SUB ADDRESS = 04
H
BIT
NUMBER
FUNCTION
DESCRIPTION
RESET
STATE
7
BLANK
Timing Select
This bit is ignored unless BLANK is configured to be an output.
0 = Data for the first active pixel of the scan line must arrive the CLK cycle after the encoder
negates BLANK.
1 = Data for the first active pixel of the scan line must arrive immediately after the encoder
negates BLANK.
0
B
6
Reserved
0
B
0
B
5
BLANK Output
Control
0 = BLANK is an input
1 = BLANK is an output
4
BLANK
Polarity
0 = Active low (low during blanking)
1 = Active high (high during blanking)
0
B
3
HSYNC and
VSYNC Output
Control
0 = HSYNC and VSYNC are inputs
1 = HSYNC and VSYNC are outputs
0
B
2
HSYNC
Polarity
0 = Active low (low during horizontal sync)
1 = Active high (high during horizontal sync)
0
B
1
VSYNC
Polarity
0 = Active low (low during vertical sync)
1 = Active high (high during vertical sync)
0
B
0
FIELD
Polarity
0 = Active low (low during odd fields)
1 = Active high (high during odd fields)
0
B
HMP8170, HMP8171, HMP8172, HMP8173
相關(guān)PDF資料
PDF描述
HMP8172CN NTSC/PAL Video Encoder
HMP8170 NTSC/PAL Video Encoder
HMP8170CN NTSC/PAL Video Encoder
HMP8171 RESISTOR 2.4M OHM .25W CARB COMP
HMP8173 NTSC/PAL Video Encoder
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HMP8172CN 制造商:Rochester Electronics LLC 功能描述:- Bulk
HMP8173 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP8173CN 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP817XEVAL1 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
HMP8190 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Encoder
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