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Parameter measurement information – Texas Instruments TMS380C26 User Manual

Page 76

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TMS380C26
NETWORK COMMPROCESSOR

SPWS010A–APRIL 1992–REVISED MARCH 1993

POST OFFICE BOX 1443

HOUSTON, TEXAS

77251–1443

76

PARAMETER MEASUREMENT INFORMATION

(High)

Valid

Output Data Valid

SADH0–SADH7,

SADL0–SADL7,

SPH, SPL

SDTACK†

SDBEN

SDDIR

SUDS,

SLDS

SRNW

SIACK

SCS, SRSX,

SRS0, SRS1

260

282a

275

283R

273

268

272

HI-Z

HI-Z

HI-Z

HI-Z

261

261a

267

259

276

255

282R

286

279

273a

† SDTACK is an active-low bus ready signal. It must be asserted before data output.

Figure 37. 68xxx DIO Read Timing