Nec Network Controller uPD98502 Manual do Utilizador descarregar pdf (Página 86)

CHAPTER 2 V

R

4120A

86

Preliminary User’s Manual S15543EJ1V0UM

Table 2-22. Operation in Each Stage of Pipeline (MIPS III)

Cycle Phase Mnemonic Description

IF

Φ

1 IDC Instruction cache address decode

ITLB Instruction address translation

Φ

2 ICA Instruction cache array access

ITC Instruction tag check

RF

Φ

1 IDEC Instruction decode

Φ

2 RF Register operand fetch

BAC Branch address calculation

EX

Φ

1 EX Execution stage

DVA Data virtual address calculation

SA Store align

Φ

2 DCA Data cache address decode/array access

DTLB Data address translation

DC

Φ

1 DLA Data cache load align

DTC Data tag check

DTD Data transfer to data cache

WB

Φ

1 DCW Data cache write

WB Write back to register file

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 594 595

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