Parameter measurement information – Texas Instruments TMS380C26 User Manual

Page 68

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TMS380C26

NETWORK COMMPROCESSOR

SPWS010A–APRIL

1992–REVISED MARCH 1993

68

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PARAMETER MEASUREMENT INFORMATION

SOWN

(see Note A)

SDDIR

SADH0–SADH7,

SADL0–SADL7,

SPH, SPL

SBHE

SRD, SWR

SHRQ

SIF Outputs:

SBBSY,

SHLDA

SBCLK

SIF Inputs:

SIF Master

Bus Exchange

User Master

T1

TX

I2

I1

(T4)

Read

Write

Address Valid

212

212

241a

241

208b

208a

230

224c

224a

NOTE A: While the system interface DMA controls are active (i.e., SOWN is asserted), the SCS input is disabled.

Figure 32. 80x8x Mode Bus Arbitration Timing, SIF Takes Control

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