GXM Datasheet, PDF (96/244 Pages) National Semiconductor (TI) – Geode™ GXm Processor Integrated x86 Solution with MMX Support

Integrated Functions (Continued)
Bit
15:12
11:4
3:0
15:12
11:4
3:0
15:12
11:4
3:0
15:12
11:4
3:0
Name
RSVD
INDEX
BYTE
RSVD
INDEX
RSVD
RSVD
INDEX
BYTE
RSVD
INDEX
RSVD
Table 4-4. L1 Cache BitBLT Registers
Description
L1_BB0_BASE Register (R/W)
Default Value = None
Reserved: Set to 0.
BitBLT 0 Base Index: The index to the starting line of BLT Buffer 0.
BitBLT 0 Starting Byte: Determines which byte of the starting line is the beginning of BLT Buffer 0.
L1_BB0_POINTER Register (R/W)
Default Value = None
Reserved: Set to 0.
BitBLT 0 Pointer Index: The index to the current line of BLT Buffer 0.
Reserved: Set to 0.
L1_BB1_Base Register (R/W)
Default Value = None
Reserved: Set to 0.
BitBLT 1 Base Index: The index to the starting line of BLT Buffer 1.
BitBLT 1 Starting Byte: Determines which byte of the starting line is the beginning of BLT Buffer 1.
L1_BB1_POINTER Register (R/W)
Default Value = None
Reserved: Set to 0.
BitBLT 1 Pointer Index: The index to the current line of BLT Buffer 1.
Reserved: Set to 0.
www.national.com
96
Revision 3.1