TMS320C80GF datasheet(27/171 Pages) TI

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TMS320C80

DIGITAL SIGNAL PROCESSOR

SPRS023B – JULY 1994 – REVISED OCTOBER 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

memory-fault registers

The five read-only memory-fault registers contain information about memory address exceptions, as shown in

Figure 16.

FLTOP

5432

FLTOP

(0x0010)

Dest

Reserved

Block

(0x0010)

FLTTAG

5432

FLTTAG

(0x0012)

22-Bit Cache Tag Address

(0x0012)

Sub-Block

FLTADR

(0x0011)

Faulting Address Accessed by the Instruction

FLTDTH

(0x0013)

Faulting Write Most-Significant-Data Word

FLTDTL

(0x0014)

Faulting Write Least-Significant-Data Word

Dest

Destination Register Number

Kind of Operation:

00 – load

01 – unsigned load

10 – store

11 – cache flush/clean

Size of Data:

00 – 8-bit

01 – 16-bit

10 – 32-bit

11 – 64-bit

Block

MP icache fault

MP dcache fault

DEA Fault

Modified return sequence

Faulting block number

Sub-block is present.

Dirty bit set

Figure 16. Memory-Fault Registers

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