DSP56366 datasheet(38/110 Pages) FREESCALE

номер детали	DSP56366

подробное описание детали	24-Bit Audio Digital Signal Processor

PDF	110 Pages

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производитель	FREESCALE [Freescale Semiconductor, Inc]

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DSP56366 Technical Data, Rev. 3.1

3-12

Freescale Semiconductor

101

Address and AA valid to WR assertion

tAS

0.25

× T

C − 2.0

[WS = 1]

0.1

—

1.25

× T

C − 2.0

[WS

≥ 4]

8.4

—

102

WR assertion pulse width

tWP

1.5

× T

C − 4.0 [WS = 1]

8.5

—

All frequencies:

× T

C − 4.0

≤ WS ≤ 3]

12.7

—

(WS

− 0.5) × T

C − 4.0

[WS

≥ 4]

25.2

—

103

WR deassertion to address not valid

tWR

0.25

× T

C − 2.0

≤ WS ≤ 3]

0.1

—

1.25

× T

C − 2.0

≤ WS ≤ 7]

8.4

—

2.25

× T

C − 2.0

[WS

≥ 8]

16.7

—

All frequencies:

1.25

× T

C − 4.0

≤ WS ≤ 7]

6.4

—

2.25

× T

C − 4.0

[WS

≥ 8]

14.7

—

104

Address and AA valid to input data valid

tAA, tAC

(WS + 0.75)

× T

C − 7.0

[WS

≥ 1]

—7.6

105

RD assertion to input data valid

tOE

(WS + 0.25)

× T

C − 7.0

[WS

≥ 1]

—3.4

106

RD deassertion to data not valid (data hold time)

tOHZ

0.0

—

107

Address valid to WR deassertion3

tAW

(WS + 0.75)

× T

C − 4.0

[WS

≥ 1]

10.6

—

108

Data valid to WR deassertion (data setup time)

tDS (tDW)(WS − 0.25) × TC − 3.0

[WS

≥ 1]

3.2

—

Table 3-8 SRAM Read and Write Accesses1 (continued)

No.

Characteristics

Symbol

Expression2

Min

Max

Unit

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