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參數(shù)資料
| 型號： | GF9331-CBP |
| 廠商： | Gennum Corporation |
| 英文描述： | DTV/SDTV Motion Co-processor |
| 中文描述： | 數(shù)字電視/標清運動協(xié)處理器 |
| 文件頁數(shù)： | 15/31頁 |
| 文件大小： | 337K |
| 代理商： | GF9331-CBP |
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GF9331 Data Sheet
Proprietary and Confidential
18303 - 4
June 2004
15 of 31
3.2.2.9 F_POLARITY
This parameter defines the polarity of the F_IN pin. Refer to
Table 3-2:
F_POLARITY
for F_POLARITY encoding. One bit within the host interface is
dedicated to this parameter.
3.2.2.10 V_POLARITY
This parameter defines the polarity of the V_IN pin. With V_POLARITY set LOW,
a falling transition on the
V
_IN
pin indicates the end of active video. With
V_POLARITY set HIGH, a rising transition on the V
_
IN pin indicates the end of
active video. One bit within the host interface is dedicated to this parameter.
3.3 Seamless Interface to the GF9330 High Performance
De-Interlacer for Directional Filter Control
The GF9330 can operate as a stand-alone de-interlacer or can operate in
conjunction with the GF9331 Motion Co-processor. The GF9331 contains adaptive
multi-directional edge detectors, as well as a vertical motion detector. Edge
sensitive control signals are fed directly to the GF9330. These control signals
adaptively switch the GF9330’s internal de-interlacing filters on a pixel by pixel
basis. These control signals are fed to the GF9330 by the GF9331 over the
FIL_SEL[3:0] control bus.
NOTE: The Y_OUT[9:0] pins of the GF9331 must be connected to the Y_IN[9:0]
pins of the GF9330. The C_OUT[9:0] pins of the GF9331 must be connected to the
C_IN[9:0] pins of the GF9330. The F_OUT, V_OUT and H_OUT pins of the
GF9331 must be connected to the F_IN, V_IN and H_IN pins of the GF9330. The
FIL_SEL[3:0] output of the GF9331 must be connected to the FIL_SEL[3:0] input
of the GF9330. Refer to
Figure 3-3: Using the GF9331 with the GF9330 for Motion
Adaptive De-interalcing with edge and vertical motion detection
for a pictorial
description of connections between the GF9330 and the GF9331.
Figure 3-3: Using the GF9331 with the GF9330 for Motion Adaptive
De-interalcing with edge and vertical motion detection
Table 3-2: F_POLARITY
F_POLARITY Register
F_IN Pin
F_IN Pin Function
0
0
Even Field
0
1
Odd Field
1
0
Odd Field
1
1
Even Field
C2_OUT[11:0]
GF9331
C_OUT[9:0]
Y_OUT[9:0]
GF9330
Y_IN[9:0]
C_IN[9:0]
C1_OUT[11:0]
Y1_OUT[11:0]
Y2_OUT[11:0]
FIL_SEL[3:0]
FIL_SEL[3:0]
Y_IN[9:0]
C_IN[9:0]
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