ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 363

• 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

Display Controller Register Descriptions
6.6.19.9 Vertical Total
Index
Type
Reset Value
6.6.19.10 Overflow
Index
Type
Reset Value
These are the high-order bits for several of the vertical programming values. See the descriptions of the respective vertical
registers for descriptions of these fields.
6.6.19.11 Preset Row Scan
Index
Type
Reset Value
AMD Geode™ LX Processors Data Book
Bit
7:0
Bit
Bit
7
6
5
4
3
2
1
0
7
Name
V_TOTAL[7:0]
Name
V_SYNC_ST9
V_DISP_EN_END9
V_TOTAL9
LINE_COMP8
V_BLANK_ST8
V_SYNC_ST8
V_DISP_EN_END8
V_TOTAL8
Name
RSVD
06h
R/W
00h
07h
R/W
xxh
08h
R/W
00h
Description
Vertical Total Register Bits [7:0]. This is the low eight bits of a value that specifies the
total number of scan lines on the screen minus 2. This value includes the blanking area
and determines the vertical refresh rate. The high two bits of this value are in the Over-
flow register (Index 07h[5,1]).
Description
Reserved.
Preset Row Scan Register Bit Descriptions
Description
Vertical Sync Start Bit 9. See V_SYNC_ST[7:0] bit description (Index 10h[7:0]).
V_SYNC_ST8 is located at bit 2
Vertical Display Enable End Bit 9. See V_DISP_END[7:0] bit description (Index
12h[7:0]). V_DISP_END8 is located at bit 1
Vertical Total Bit 9. See V_TOTAL[7:0] bit description (Index 06h[7:0]). V_TOTAL8
is located at bit 0.
Line Compare Bit 8. See LINE_COMP[7:0] bit description (Index 18h[7:0]).
LINE_COMP9 is located at Index 09h[6].
Vertical Blank Start Bit 8. See V_BLANK_ST[7:0] bit description (Index 15h[7:0]).
V_BLANK_ST9 is located at Index 09h[5].
Vertical Sync Start Bit 8. See V_SYNC_ST[7:0] bit description (Index 10h[7:0]).
V_SYNC_ST9 is located at bit 7.
Vertical Display Enable End Bit 8. See V_DISP_END[7:0] bit description (Index
12h[7:0]). V_DISP_END9 is located at bit 6.
Vertical Total Bit 8. See VTOTAL[7:0] bit description (Index 06h[7:0]). V_TOTAL9 is
located at bit 5.
Vertical Total Register Bit Descriptions
Overflow Register Bit Descriptions
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