ALXD800EEXJ2VD C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD C3 Datasheet - Page 332
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ALXD800EEXJ2VD C3
Manufacturer Part Number
ALXD800EEXJ2VD C3
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.ALXD800EEXJ2VD_C3.pdf
(680 pages)
Specifications of ALXD800EEXJ2VD C3
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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6.6.5.7
DC Memory Offset 05Ch
Type
Reset Value
6.6.6
The cursor registers contain pixel coordinate information for the cursor. These values are not latched by the timing genera-
tor until the start of the frame to avoid tearing artifacts when moving the cursor.
The Line Count/Status register holds status information for the current display status, including the current scan line for the
display.
6.6.6.1
DC Memory Offset 060h
Type
Reset Value
This register contains the X position information of the hardware cursor.
Settings written to this register do not take effect until the start of the following frame or interlaced field.
332
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31:16
31:17
15:0
Bit
Bit
DC Frame Buffer Active Region Register (DC_FB_ACTIVE)
DC Cursor X Position (DC_CURSOR_X)
Cursor Position and Line Count/Status Registers
Name
FB_H_ACTIVE
FB_V_ACTIVE
Name
RSVD
R/W
xxxxxxxxh
R/W
xxxxxxxxh
33234H
FB_H_ACTIVE
RSVD
Description
Horizontal Frame Buffer Active End. This field is used only when graphics scaling is
enabled. The lower three bits of this register are ignored and presumed to be 111. Includ-
ing these bits, the value in this field represents the total number of pixels in a line in the
graphics frame buffer minus 1.
This field is analogous to the H_ACTIVE field in the DC_H_ACTIVE_TIMING register
(DC Memory Offset 040h[11:0]), except that this field is used only for the fetching and
rendering of pixel data, not the display timings. When graphics scaling is disabled, this
field is not used. (The H_ACTIVE field is used instead.
Vertical Frame Buffer Active. This field is used only when graphics scaling is enabled.
It represents the total number of lines in the graphics frame buffer minus 1.
This field is analogous to the V_ACTIVE field in the DC_V_ACTIVE_TIMING register (DC
Memory Offset 050h[10:0]), except that this field is used only for the fetching and render-
ing of pixel data, not the display timings. When graphics scaling is disabled, this field is
not used. (The V_ACTIVE field is used instead.)
Description
Reserved.
DC_FB_ACTIVE Bit Descriptions
DC_CURSOR_X Bit Descriptions
DC_FB_ACTIVE Register Map
DC_CURSOR_X Register Map
X_OFFSET
Display Controller Register Descriptions
AMD Geode™ LX Processors Data Book
FB_V_ACTIVE
9
9
8
8
7
7
CURSOR_X
6
6
5
5
4
4
3
3
2
2
1
1
0
0
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