AMD Geode LX 600@0.7W Data Book page 448

33234H
6.8.3.36 Alpha Watch (AWT)
VP Memory Offset 128h
Type RO
Reset Value 00000000_00000000h
Alpha values may be automatically incremented/decremented for successive frames. This register can be used to read
alpha values that are being used in the current frame.
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
RSVD
Bit Name
63:24 RSVD
23:16 AW3
15:8 AW2
7:0 AW1
6.8.3.37 Video Processor Test Mode (VTM)
VP Memory Offset 130h
Type R/W
Reset Value 00000000_00000000h
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
SP
Bit Name
63:32 RSVD (RO)
31 SP
30:11 RSVD (RO)
10:9 SP
8:7 RSVD (RO)
6 RSVD
5:4 RSVD (RO)
3:0 RSVD
448
AWT Register Map
RSVD
AW3
AWT Bit Descriptions
Description
Reserved. Reads back as 0.
Alpha Value for Window 3.
Alpha Value for Window 2.
Alpha Value for Window 1.
VTM Register Map
RSVD
RSVD
VTM Bit Descriptions
Description
Reserved (Read Only). Reads back as 0.
Spare. Read/write; no function.
Reserved (Read Only). Reads back as 0.
Spares. Read/write; no function.
Reserved (Read Only). Reads back as 0.
Reserved. Reserved for test purposes.
Reserved (Read Only). Reads back as 0.
Reserved. Reserved for test purposes.
Video Processor Register Descriptions
9 8 7 6 5
AW2
9 8 7 6 5
SP RSVD RSVD
AMD Geode™ LX Processors Data Book
4 3 2 1 0
AW1
4 3 2 1 0
RSVD