GXM Datasheet, PDF (138/244 Pages) National Semiconductor (TI) – Geode™ GXm Processor Integrated x86 Solution with MMX Support

Integrated Functions (Continued)
Table 4-29. Display Controller Register Summary (Continued)
GX_BASE+
Memory Offset Type Name/Function
Default
Value
Color Registers
8360h-8363h
8364h-8367h
8368h-836Bh
836Ch-836Fh
R/W
--
R/W
--
DC_CURSOR_COLOR
xxxxxxxxh
Display Controller Cursor Color — Contains the 8-bit indices for the cursor colors.
Reserved
00000000h
DC_BORDER_COLOR
xxxxxxxxh
Display Controller Border Color — Contains the 8-bit index for the border or overscan color.
Reserved
00000000h
Palette and RAM Diagnostic Registers
8370h-8373h
8374h-8377h
8378h-837Bh
837Ch-837Fh
R/W
R/W
R/W
R/W
DC_PAL_ADDRESS
Display Controller Palette Address — This register should be written with the address
(index) location to be used for the next access to the DC_PAL_DATA register.
DC_PAL_DATA
Display Controller Palette Data — Contains the data for a palette access cycle.
DC_DFIFO_DIAG
Display Controller Display FIFO Diagnostic — This register is provided to enable testability
of the Display FIFO RAM.
DC_CFIFO_DIAG
Display Controller Compression FIFO Diagnostic — This register is provided to enable test-
ability of the Compressed Line Buffer (FIFO) RAM.
xxxxxxxxh
xxxxxxxxh
xxxxxxxxh
xxxxxxxxh
www.national.com
138
Revision 3.1