ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 447

• 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
Note 1. V_TOTAL and V_SYNC_END are values programmed in the Display Controller module registers. The value of
6.8.3.41 Even Alpha Window 3 Y Position (A3YE)
VP Memory Offset 150h
Type
Reset Value
Note 1. V_TOTAL and V_SYNC_END are values programmed in the Display Controller module registers. The value of
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
63:27
26:16
15:11
63:27
26:16
15:11
10:0
10:0
Bit
Bit
RSVD
RSVD
(V_TOTAL – V_SYNC_END) is sometimes referred to as “vertical back porch”.
(V_TOTAL – V_SYNC_END) is sometimes referred to as “vertical back porch”.
Name
RSVD (RO)
ALPHA2_Y_
END
RSVD (RO)
ALPHA2_Y_
START
Name
RSVD (RO)
ALPHA3_Y_
END
RSVD (RO)
ALPHA3_Y_
START
R/W
00000000_00000000h
Description
Reserved (Read Only). Reads back as 0.
Alpha Window 2 Y End. Indicates the vertical end position of alpha window 2. This
value is calculated according to the following formula:
Value = Desired screen position + (V_TOTAL – V_SYNC_END) + 2. (Note 1)
Reserved (Read Only). Reads back as 0.
Alpha Window 2 Y Start. Indicates the vertical start position of alpha window 2. This
value is calculated according to the following formula:
Value = Desired screen position + (V_TOTAL – V_SYNC_END) + 1. (Note 1)
Description
Reserved (Read Only). Reads back as 0.
Alpha Window 3 Y End. Indicates the vertical end position of alpha window 3. This
value is calculated according to the following formula:
Value = Desired screen position + (V_TOTAL – V_SYNC_END) + 2. (Note 1)
Reserved (Read Only). Reads back as 0.
Alpha Window 3 Y Start. Indicates the vertical start position of alpha window 3. This
value is calculated according to the following formula:
Value = Desired screen position + (V_TOTAL – V_SYNC_END) + 1. (Note 1)
ALPHA2_Y_END
ALPHA3_Y_END
A2YE Bit Descriptions
A3YE Bit Descriptions
A2YE Register Map
A3YE Register Map
RSVD
RSVD
RSVD
RSVD
9
9
8
8
33234C
ALPHA2_Y_START
ALPHA3_Y_START
7
7
6
6
5
5
4
4
3
3
2
2
1
1
447
0
0