5962-0324601Q9A Просмотр технического описания (PDF) - Atmel Corporation

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5962-0324601Q9A

Low-Voltage Rad-Hard 32-bit SPARC Embedded Processor

Atmel Corporation 

TSC695FL

Synchronous Traps

Table 3. Synchronous Traps

Trap

Reset

Priority

1

Non-restartable, imprecise

error

2.1

Non-restartable,

precise error

2.2

Register file error

2 2.3

Restartable, late error

2.4

Restartable,

precise error

2.5

Instruction access

3

(Error on instruction fetch)

Illegal Instruction

4

Privileged instruction

5

FPU disabled

6

Overflow

Window

7

Underflow

Memory address not aligned

8

Non-restartable error

9.1

Data bus error

9.2

Restartable error

9.3

Sequence error

9.4

Unimplemented FPop

9.5

IEEE exceptions:

9 9.6

Trap Type (tt) Comments

Sources: SYSRESET* pin

-

software reset

watchdog reset

IU or System error reset

Severe error requiring a re-boot

64h

TSC695FL enters (if not masked) in halt or reset mode.

Error not removable, PC & nPC OK

62h

TSC695FL enters (if not masked) in halt or reset mode.

Special case of non-restartable, precise error.

65h

TSC695FL enters (if not masked) in halt or reset mode.

Retrying instruction but PC & nPC have to be re-adjusted

63h

TSC695FL enters (if not masked) in halt or reset mode.

Retrying instruction

61h

TSC695FL enters (if not masked) in halt or reset mode.

Parity error on control bus

Parity error on data bus

Parity error on address bus

Access to protected or unimplemented area

01h

Uncorrectable error in memory

Bus time out

Bus error

02h

-

03h

-

04h

-

05h

During SAVE instruction or trap taken

06h

During RESTORE instruction or RETT instruction

07h

-

Severe error, cannot restart the instruction.

Parity error on FPU data bus.

Can be removed restarting the instruction.

-

-

Invalid operation

08h

Division by zero

Overflow

Underflow

Inexact

9

4204C–AERO–05/05

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