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參數(shù)資料
| 型號： | HMP8154 |
| 廠商： | Intersil Corporation |
| 英文描述： | NTSC/PAL Encoders |
| 中文描述： | 的NTSC / PAL編碼器 |
| 文件頁數(shù)： | 19/34頁 |
| 文件大小： | 256K |
| 代理商： | HMP8154 |
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19
TABLE 14. 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 Pedestal En-
able
0 = Don’t add blanking pedestal to RGB output
1 = add blanking pedestal to RGB output
0
B
3
RGB pin Assignment
select
0 = use HMP8156 assignments
1 = SCART connector compatible
0
B
2
First Active
Line Select
This bit is ignored unless flicker filtering is enabled. This bit is ignored on the HMP8156.
0 = First line of active video in odd fields is on an odd line number
1 = First line of active video in odd fields is on an even line number
0
B
1-0
Flicker Filter
Processing
These bits must be “00” during 8-bit YCbCr and BT.656 input modes, and SIF input resolution
mode. These bits are always “00” on the HMP8156A.
00 = No flicker filtering
01 = reserved
10 = reserved
11 = 3-line flicker filtering enabled
00
B
TABLE 15. 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 ne-
gates BLANK.
0
B
6
Reserved
0
B
5
BLANK Output Con-
trol
0 = BLANK is an input
1 = BLANK is an output
0
B
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
HMP8154, HMP8156A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HMP8154CN | NTSC/PAL Encoders |
| HMP8156A | NTSC/PAL Encoders |
| HMP8154EVAL1 | NTSC/PAL Encoders |
| HMP8190 | NTSC/PAL Video Encoder |
| HMP8190CN | NTSC/PAL Video Encoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HMP8154_05 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Encoders |
| HMP8154CN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HMP8154EVAL1 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Encoders |
| HMP8156 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Encoder |
| HMP8156_03 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Encoder |
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