Filter
Top Products
Control Register File
CPU Data Paths and Control2-12 SPRU733
Table 2−5. Addressing Mode Register (AMR) Field Descriptions (Continued)
Bit DescriptionValueField
3−2 A5 MODE 0−3h Address mode selection for register file a5.
0 Linear modification (default at reset)
1h Circular addressing using the BK0 field
2h Circular addressing using the BK1 field
3h Reserved
1−0
A4 MODE 0−3h Address mode selection for register file A4.
0 Linear modification (default at reset)
1h Circular addressing using the BK0 field
2h Circular addressing using the BK1 field
3h Reserved
Table 2−6. Block Size Calculations
BKn Value Block Size BKn Value Block Size
00000 2 10000 131 072
00001 4 10001 262 144
00010 8 10010
524 288
00011 16 10011
1 048 576
00100 32 10100
2 097 152
00101 64 10101
4 194 304
00110 128 10110
8 388 608
00111 256 10111
16 777 216
01000 512 11000
33 554 432
01001 1 024 11001
67 108 864
01010 2 048 11010
134 217 728
01011 4 096 11011
268 435 456
01100 8 192 11100
536 870 912
01101 16 384 11101
1 073 741 824
01110 32 768 11110
2 147 483 648
01111
65 536 11111 4 294 967 296
Note: When n is 11111, the behavior is identical to linear addressing.