Adv ance informa t ion, Bio timing, External flag timing – Texas Instruments TMS320 User Manual

Page 48

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TMS32020

SPRS010B — MAY 1987 — REVISED NOVEMBER 1990

POST OFFICE BOX 1443

HOUSTON, TEXAS 77001

48

BIO timing

CLKOUT1

STRB

A15-A0

BIO

FETCH

BIOZ

t

su(IN)

t

h(IN)

FETCH Branch Address

FETCH Next Instruction

PC = N

PC = N + 1

PC = N + 2

PC = N + 3

or Branch Address

Valid

external flag timing

CLKOUT1

STRB

A15-A0

XF

t

d(XF)

PC = N -- 1

PC = N

PC = N + 1

PC = N + 2

Valid

FETCH

SXF/RXF

Valid

Valid

Valid

ADV

ANCE

INFORMA

T

ION

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