D1 Hardware Configuration Info - Motorola ColdFire MCF5281 User Manual

31 30
Field CL
Reset
R/W
15 14
Field BUSW
Reset
R/W
Table 2-9. D1 Local Memory Hardware Configuration
Bits Name
31–30 CL Cache line size. This field is fixed to a hex value of 0x0 indicating a 16-byte cache line size.
29–28 ICA Instruction cache associativity.
00 Four-way.
01 Direct mapped. (This is the value used for MCF5282)
27–24 ICSIZ Instruction cache size.
0000 No instruction cache.
0001 512B instruction cache.
0010 1KB instruction cache.
0011 2KB instruction cache. (This is the value used for MCF5282)
0100 4KB instruction cache.
0101 8KB instruction cache.
0110 16KB instruction cache.
0111 32KB instruction cache.
1000 64KB instruction cache.
0x9–0xF Reserved.
MOTOROLA
29 28 27
ICA ICSIZ
0001_0011_1011_0000
13 12 11
DCA DCSIZ
0001_0000_1000_0000
Figure 2-9. D1 Hardware Configuration Info
Information Field Description
Chapter 2. ColdFire Core
24 23
RAM0SIZ
R
8 7
RAM1SIZ
R
Description
Processor Exceptions
20 19 16
ROM0SIZ
4 3
ROM1SIZ
0
2-19