ALXD800EEXJ2VC C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VC C3 Datasheet - Page 392
ALXD800EEXJ2VC C3
Manufacturer Part Number
ALXD800EEXJ2VC C3
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.ALXD800EEXJ2VC_C3.pdf
(680 pages)
Specifications of ALXD800EEXJ2VC C3
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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6.7.2.3
The Video Processor module supports horizontal down-
scaling (see Figure 6-25). The downscaler can be imple-
mented in the Video Processor module to shrink the video
window by a factor of up to 8:1, in one-pixel increments.
The Downscaler Factor Select (m) is programmed in the
Video Downscaler Control register (VP Memory Offset
078h[4:1]). If bit 0 (DCF) of this register is set to 0, the
downscaler logic is bypassed.
Note: Horizontal downscaling is supported in 4:2:2 YUV
The downscaler supports up to 29 downscaler factors.
There are two types of factors:
392
video format only, not 4:2:0 YUV or 5:6:5 RGB.
Horizontal Downscaling
Video
Input
33234H
Coefficients
Figure 6-25. Downscaler Block Diagram
Filtering
4-Tap
4x8
Bypass
Downscaler
Downscale
Horizontal
Factors
• Type A is (1/m+1). One pixel is retained, and m pixels
• Type B is (m/m+1). m pixels are retained, and one pixel
Bit 6 of the Video Downscaler Control register (VP Memory
Offset 078h) selects the type of downscaling factor to be
used.
Note: There is no vertical downscaling in the Video Pro-
are dropped. This enables downscaling factors of 1/8, 1/
7, 1/6, 1/5, 1/4, 1/3, and 1/2.
is dropped. This enables downscaling factors of 2/3, 3/4,
4/5, 5/6, 6/7, 7/8.
cessor module.
AMD Geode™ LX Processors Data Book
To line
buffers
Video Processor
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