ALXD800EEXJ2VC C3 AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VC C3 Datasheet - Page 424

• Manufacturer Part Number: ALXD800EEXJ2VC C3
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ALXD800EEXJ2VC C3

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

6.8.3.3
VP Memory Offset 010h
Type
Reset Value
Note 1. H_TOTAL and H_SYNC_END are the values written in the Display Controller module registers.
424
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
63:28
27:16
15:12
11:0
Bit
Bit
2
1
0
RSVD
Video X Position (VX)
Name
VSYNC_EN
HSYNC_EN
CRT_EN
Name
RSVD (RO)
VID_X_END
RSVD (RO)
VID_X_START
R/W
00000000_00000000h
33234H
Description
CRT Vertical Sync Enable. Enables/disables CRT vertical sync (used for VESA DPMS
support).
0: Disable.
1: Enable.
CRT Horizontal Sync Enable. Enables/disables CRT horizontal sync (used for VESA
DPMS support).
0: Disable.
1: Enable.
CRT Enable. Enables the graphics display control logic. This bit is also used to reset the
display logic.
0: Reset display control logic.
1: Enable display control logic.
Description
Reserved (Read Only). Reads back as 0.
Video X End Position. Represents the horizontal end position of the video window. This
register is programmed relative to CRT horizontal sync input (not the physical screen
position). This value is calculated according to the following formula:
Value = Desired screen position + (H_TOTAL – H_SYNC_END) – 13. (Note 1)
Reserved (Read Only). Reads back as 0.
Video X Start Position. Represents the horizontal start position of the video window.
This value is calculated according to the following formula:
Value = Desired screen position + (H_TOTAL – H_SYNC_END) – 14. (Note 1)
VID_X_END
DCFG Bit Descriptions (Continued)
VX Bit Descriptions
VX Register Map
RSVD
RSVD
AMD Geode™ LX Processors Data Book
Video Processor Register Descriptions
9
8
VID_X_START
7
6
5
4
3
2
1
0