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Texas Instruments TMS320VC5402 User Manual

Page 42

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TMS320VC5402

FIXEDĆPOINT DIGITAL SIGNAL PROCESSOR

SPRS079E – OCTOBER 1998 – REVISED AUGUST 2000

42

POST OFFICE BOX 1443

HOUSTON, TEXAS 77251–1443

memory and parallel I/O interface timing (continued)

PS, DS

R/W

MSTRB

D[15:0]

A[19:0]

CLKOUT

td(CLKH-RWH)

th(A)W

td(CLKL-MSH)

tsu(D)MSH

td(CLKL-D)W

tw(SL)MS

tsu(A)W

td(CLKL-MSL)

th(D)MSH

td(CLKL-A)

td(CLKH-RWL)

td(RWL-MSTRBL)

td(CLKH-A)

ten(D-RWL)

tdis(RWH-D)

NOTE A: A[19:16] are always driven low during accesses to external data space.

Figure 14. Memory Write (MSTRB = 0)