ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 435

• Manufacturer Part Number: ALXD800EEXJ2VD
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ALXD800EEXJ2VD

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Video Processor Register Descriptions
6.8.3.22 Cursor Color 2 (CC2)
VP Memory Offset 0B8h
Type
Reset Value
6.8.3.23 Alpha Window 1 X Position (A1X)
VP Memory Offset 0C0h
Type
Reset Value
Note 1. H_TOTAL and H_SYNC_END are values programmed in the Display Controller module registers.
AMD Geode™ LX Processors Data Book
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 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
63:24
63:28
27:16
15:12
23:0
11:0
Bit
Bit
RSVD
The value of (H_TOTAL – H_SYNC_END) is sometimes referred to as “horizontal back porch.”
Name
RSVD (RO)
CUR_COLOR_
REG2
Name
RSVD (RO)
ALPHA1_X_
END
RSVD (RO)
ALPHA1_X_
START
RSVD
R/W
00000000_00000000h
R/W
00000000_00000000h
ALPHA1_X_END
Description
Reserved (Read Only). Reads back as 0.
Cursor Color Register 2. Specifies a 24-bit cursor color value. This is an RGB value (for
RGB blending).
This is one of two possible cursor color values.COLOR_REG_OFFSET (VP Memory Off-
set 0A0h[28:24] determine a bit of the graphics data that if odd, selects this color to be
used.
Description
Reserved (Read Only). Reads back as 0.
Alpha Window 1 X End. Indicates the horizontal end position of alpha window 1. This
value is calculated according to the following formula:
Value = Desired screen position + (H_TOTAL – H_SYNC_END) – 1. (Note 1)
Reserved (Read Only). Reads back as 0.
Alpha Window 1 X Start. Indicates the horizontal start position of alpha window 1. This
value is calculated according to the following formula:
Value = Desired screen position + (H_TOTAL – H_SYNC_END) – 2. (Note 1)
CC2 Bit Descriptions
A1X Bit Descriptions
CC2 Register Map
A1X Register Map
RSVD
RSVD
RSVD
CUR_COLOR_REG2
9
9
8
8
ALPHA1_X_START
33234C
7
7
6
6
5
5
4
4
3
3
2
2
1
1
435
0
0