Mips Technologies R4000 - Page 38

Chapter 1
8 MIPS R4000 Microprocessor User's Manual
Table 1-1 R4000 Features
Feature R4000PC R4000SC R4000MC
Primary Cache States
Valid XX X
Shared X
Clean Exclusive XX
Dirty Exclusive XX X
Secondary Cache Interface X X
Secondary Cache States
Valid XX X
Shared X
Dirty Shared X
Clean Exclusive XX
Dirty Exclusive XX X
Multiprocessing X
Cache Coherency Attributes
Uncached XX X
Noncoherent XX X
Sharable X
Update X
Exclusive X
Packages
PGA (179-pin) X
PGA (447-pin) XX