DSP56362P datasheet(68/152 Pages) FREESCALE

Il numero della parte	DSP56362P

Spiegazioni elettronici	24-Bit Audio Digital Signal Processor

PDF	152 Pages

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Produttore elettronici	FREESCALE [Freescale Semiconductor, Inc]

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External Memory Expansion Port (Port A)

DSP56362 Technical Data, Rev. 4

3-42

Freescale Semiconductor

Figure 3-22 Bus Acquisition Timings

218

CLKOUT high to BB deassertion (output)

1.0

4.0

219

BB high to BB high impedance (output)

—

4.5

220

CLKOUT high to address and controls active

0.25

× T

2.5

—

221

CLKOUT high to address and controls high impedance

0.25

× T

—2.5

222

CLKOUT high to AA active

0.25

× T

2.5

—

223

CLKOUT high to AA deassertion

0.25

× T

C + 4.0

3.2

6.5

224

CLKOUT high to AA high impedance

0.75

× T

—7.5

1 The asynchronous delays specified in the expressions are valid for DSP56362.

2 T212 is valid for Address Trace mode when the ATE bit in the OMR is set. BR is deasserted for internal accesses and

asserted for external accesses.

Table 3-18 Arbitration Bus Timings1 (continued)

No.

Characteristics

Expression

100 MHz

Unit

Min

Max

A0–A17

AA0–AA3

CLKOUT

RD, WR

212

214

216

215

220

217

213

222

AA0481

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