IDT79R3500 查看數據表（PDF） - Integrated Device Technology

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IDT79R3500

RISC CPU PROCESSOR RISCore™

Integrated Device Technology 

IDT79R3500 RISC CPU PROCESSOR RISCore

MILITARY AND COMMERCIAL TEMPERATURE RANGES

0xFFFFFFFF

0xC0000000

0xA0000000

0x80000000

0x7FFFFFFFF

0

KERNEL

MAPPED

CACHEABLE

(kseg2)

KERNEL

UNMAPPED

UNCACHED

(kseg1)

KERNEL

UNMAPPED

CACHED

(kseg0)

KERNEL/USER

MAPPED

CACHEABLE

(kuseg)

ANY

ANY

0xFFFFFFFF

PHYSICAL

MEMORY

0x20000000

0x1FFFFFFF

MEMORY

0x00000000

Figure 7. IDT79R3500 Virtual Address Mapping

3584 MB

512 MB

2871 drw 07

0xffffffff

0xc0000000

0xa0000000

0x80000000

MNU Address Translation

Virtual –> Physical

(TBL Disabled)

Kernel Cached

(kseg2)

Kernel Uncached

(kseg1)

Kernel Uncached

(kseg0)

Kernel Cacheable

Tasks

Kernel/User

Cacheable

Tasks

1024 MB

2048 MB

User Cached

(kseg)

Inaccessible

512 MB

0x00000000

Kernel Boot

and I/O

512 MB

2871 drw 08

NOTE: This model is consistent with the mapping available in the IDT79R3051 family. The identical mapping provides software compatibility to the

lower cost CPUs.

Figure 8. TLB Disabled Mapping

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