11 miscellaneous (misc), Miscellaneous (misc) – AMD Geode LX [email protected] User Manual
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AMD Geode™ LX Processors Data Book
Video Processor Register Descriptions
33234H
6.8.3.11 Miscellaneous (MISC)
VP Memory Offset 050h
Type
R/W
Reset Value
00000000_00000C00h
MISC Register Map
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
RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RSVD
SP
APWRDN
D
A
CPWR
DN
RSVD
BY
P_BO
TH
MISC Bit Descriptions
Bit
Name
Description
63:13
RSVD (RO)
Reserved (Read Only). Reads back as 0.
12
SP
Spare. Read/write; no function.
11
APWRDN
Analog Interface Power Down. Enables power down of the analog section of the inter-
nal CRT DAC.
0: Normal.
1: Power down.
10
DACPWRDN
DAC Power Down. Enables power down of the digital section of the internal CRT DAC.
For this bit to take effect:
VP Memory Offset 130h[6] must be = 1 or
MSR Address 48000010h[18:16] must not equal 101.
0: Normal.
1: Power down.
9:1
RSVD (RO)
Reserved (Read Only). Reads back as 0.
0
BYP_BOTH
Bypass Both. Indicates if both graphics and video data should bypass gamma correc-
tion RAM.
0: The stream selected by the Display Configuration (DCFG) register (VP Memory Offset
008h[21]) is passed through gamma correction RAM.
1: Both graphics and video bypass gamma correction RAM.