參數(shù)資料
型號(hào)： GF9330-CBP
廠商： Gennum Corporation
英文描述： High Performance HDTV/SDTV Deinterlacer
中文描述： 高性能高清/標(biāo)清去隔行掃描
文件頁(yè)數(shù)： 14/42頁(yè)
文件大小： 449K
代理商： GF9330-CBP
GF9330 Data Sheet
14 of 42
Proprietary and Confidential
18283 - 4
June 2004
3.2 Input Synchronization
The GF9330 obtains relevant timing information from either embedded TRS
information or externally supplied H_IN, V_IN and F_IN signals.
When FVH_EN is set HIGH, using either the host interface or the external pin, the
GF9330 relies on the externally supplied H_IN, V_IN and F_IN signals for timing
information. When FVH_EN is set LOW, the GF9330 will extract the embedded
TRS timing information from the video data stream and will ignore any timing
information present on the F_IN, V_IN and H_IN pins.
3.2.1 Support for Both 8-bit and 10-bit Input Data
The GF9330 supports 8 and 10-bit input data. When operating with 8-bit input data,
the two LSBs of the GF9330’s 10-bit input should be set LOW and the input data
is applied to the 8 MSBs of the input bus.
3.2.2 Generic Input Format Signalling
The GF9330 supports generic input data formats with either 4:1:1 or 4:2:2 sampling
structures handling up to 2046 active samples per line with a total maximum line
width of 4096 (active + blanking) samples. In addition, there is a limit of 2048 lines
per interlaced frame. The following host interface parameters are used to describe
the generic input data format relative to the F_IN, V_IN and H_IN signals. See
Figure 3-1: Generic Input Format Definition
.
30
11110
1035i (30Hz) SMPTE 260M. Y data applied to Y_IN. Cb Cr data applied to C_IN.
NOTE: Input clock is 74.25MHz.
31
11111
Generic HD input data format with 4:2:2 sampling and a separate Y/C format. Y data applied to Y_IN. Cb Cr
data applied to C_IN. Externally supplied F_IN, V_IN and H_IN signals are used to synchronize the input data
stream.
NOTE: Input clock is 74.25MHz or 74.25/1.001MHz.
Table 3-1: Encoding of STD[4:0] for Selecting Input Data Format (Continued)
STD
STD[4:0]
Description
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