ALXD800EEXJ2VC C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VC C3 Datasheet - Page 440
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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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6.8.3.26 Alpha Window 1 Control (A1T)
VP Memory Offset 0D8h
Type
Reset Value
440
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:25
23:0
Bit
24
Name
RSVD (RO)
ALPHA1_
COLOR_REG_
EN
ALPHA1_
COLOR_REG
R/W
00000000_00000000h
RSVD
33234H
Description
Reserved (Read Only). Reads back as 0.
Alpha Window 1 Color Register Enable. Enable bit for the color key matching in alpha
window 1.
0: Disable. If this bit is disabled, the alpha window is enabled, and VG_CK = 0 (VP Mem-
1: Enable. If this bit is enabled and the alpha window is enabled, then where there is a
Alpha Window 1 Color Register. Specifies the color to be displayed inside the alpha
window when there is a color key match in the alpha window.
This color is only displayed if the alpha window is enabled and
ALPHA1_COLOR_REG_EN (bit 24) is enabled.
If this bit is disabled, the alpha window is enabled, and VG_CK = 1 (VP Memory Offset
ory Offset 008h[20]); then where there is a color key match within the alpha window,
video is displayed.
008h[20]); then where there is a chroma-key match within the alpha window, graphics
are displayed. See Figure 6-31 on page 438.
color key match within the alpha window; the color value in ALPHA1_COLOR_REG
(bits [23:0]) is displayed.
A1C Bit Descriptions
A1T Register Map
RSVD
ALPHA1_INC
AMD Geode™ LX Processors Data Book
Video Processor Register Descriptions
9
8
7
6
ALPHA1_MUL
5
4
3
2
1
0
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