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參數資料
| 型號： | HMP8117CN |
| 廠商： | INTERSIL CORP |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | NTSC/PAL Video Decoder |
| 中文描述： | COLOR SIGNAL DECODER, PDSO80 |
| 封裝： | PLASTIC, MS-022GB-1, MQFP-80 |
| 文件頁數： | 26/45頁 |
| 文件大小： | 269K |
| 代理商： | HMP8117CN |
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TABLE 17. COLOR PROCESSING REGISTER
SUB ADDRESS = 06
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-6
Digital Color Gain
Control Select
00 = No gain control (gain = 1x)
01 = Automatic gain control
10 = Fixed gain control. (Use gain factor from Color Gain Adjust register 1C
H
.)
11 = Freeze automatic gain control
01
B
5-4
Color Killer
Select
00 = Force color on
01 = Enable color killer
10 = reserved
11 = Force color off
01
B
3-2
Color Coring
Select
Coring may be used to reduce low-level noise in the CbCr signals.
00 = No coring
01 = 1 code coring
10 = 2 code coring
11 = 3 code coring
00
B
1
Contrast Control
Select
This bit specifies whether the contrast control affects just the Y data (“0”) or both the Y and CbCr
data (“1”). To avoid color shifts when changing contrast, this bit should be a “1”.
0 = Contrast controls only Y data
1 = Contrast controls Y and CbCr data
1
B
0
Color Low-Pass
Filter Select
This bit selects the bandwidth of the CbCr data.
0 = 850kHz
1 = 1.5MHz
0
B
TABLE 18. LUMA PROCESSING REGISTER
SUB ADDRESS = 08
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-6
Y Filtering
Select
The chroma trap filter may be used to remove any residual color subcarrier information from the
Y channel. During S-video operation, it should be disabled. During PAL operation, it should be
enabled. The 3MHz low-pass filter may be used to remove high-frequency noise.
00 = No filtering
01 = Enable chroma trap filter
10 = Enable 3.0MHz low-pass filter
11 = reserved
00
B
5-4
Black Level Y
Coring Select
Coring may be used to reduce low-level noise around black in the Y signal.
00 = No coring
01 = 1 code coring
10 = 2 code coring
11 = 3 code coring
00
B
3-2
High Frequency Y
Coring Select
Coring may be used to reduce high-frequency low-level noise in the Y signal.
00 = No coring
01 = 1 code coring
10 = 2 code coring
11 = 3 code coring
01
B
1-0
Sharpness
Frequency Select
Specifies the amount of sharpness to be applied per the Sharpness Adjust register 1E
H
.
00 = Bypass sharpness control10 = Maximum gain at color F
SC
01 = Maximum gain at 2.6MHz11 = reserved
00
B
HMP8117
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相關代理商/技術參數 |
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| HMP8117CN96 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HMP8117CNZ | 功能描述:編碼器、解碼器、復用器和解復用器 W/ANNEAL 80PQFP 0+70 DECODER W/MA RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| HMP8154 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Encoders |
| 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 |
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