ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 356

• 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

6.6.18
The Sequencer registers are accessed by writing an index value to the Sequencer Index register (3C4h) and reading or
writing the register using the Sequencer Data register (3C5h).
6.6.18.1 VGA Sequencer Index
Index Address
Type
Reset Value
6.6.18.2 VGA Sequencer Data
Data Address
Type
Reset Value
6.6.18.3 VGA Reset
Index
Type
Reset Value
356
Bit
7:3
2:0
Bit
7:0
Bit
7:2
1:0
Index
00h
01h
02h
03h
04h
--
--
VGA Sequencer Registers
Name
RSVD
INDEX
Name
DATA
Name
RSVD
DIS_EN
Type
3C4h
R/W
0xh
3C5h
R/W
xxh
00h
R/W
00h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
33234C
Register
VGA Sequencer Index
VGA Sequencer Data
VGA Reset
VGA Clocking Mode
VGA Map Mask
VGA Character Map Select
VGA Memory Mode
Description
Reserved.
Index.
Description
Data.
Description
Reserved.
Enable Display. Both these bits should be set to 1 (value = 11) to enable display of the
VGA screen image. If either of these bits are 0, the display is blanked. The VGA contin-
ues to respond to I/O and memory accesses.
Table 6-51. VGA Sequencer Registers Summary
VGA Sequencer Index Register Bit Descriptions
VGA Sequencer Data Register Bit Descriptions
VGA Reset Register Bit Descriptions
Display Controller Register Descriptions
AMD Geode™ LX Processors Data Book
Reset Value
0xh
00h
02h
00h
02h
xxh
xxh
Reference
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