ALXD800EEXJCVD C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJCVD C3 Datasheet - Page 445

• Manufacturer Part Number: ALXD800EEXJCVD C3
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ALXD800EEXJCVD C3

• 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
6.8.3.32 Alpha Window 3 Y Position (A3Y)
VP Memory Offset 108h
Type
Reset Value
Note 1. V_TOTAL and V_SYNC_END are values programmed in the Display Controller module.
6.8.3.33 Alpha Window 3 Color (A3C)
VP Memory Offset 110h
Type
Reset Value
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
10:0
Bit
RSVD
The value of (V_TOTAL – V_SYNC_END) is sometimes referred to as “vertical back porch.”
RSVD
Name
RSVD (RO)
ALPHA3_Y_
END
RSVD (RO)
ALPHA3_Y_
START
R/W
00000000_00000000h
R/W
00000000_00000000h
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)
ALPHA3_Y_END
A3Y Bit Descriptions
A3Y Register Map
A3C Register Map
RSVD
RSVD
ALPHA3_COLOR_REG
RSVD
9
9
8
8
33234H
ALPHA3_Y_START
7
7
6
6
5
5
4
4
3
3
2
2
1
1
445
0
0