ADSP-2184BST-160 Просмотр технического описания (PDF) - Analog Devices

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ADSP-2184BST-160

DSP Microcomputer

Analog Devices 

ADSP-2184

TIMING PARAMETERS

Parameter

IDMA Write, Short Write Cycle

Timing Requirements:

tIKW

IACK Low before Start of Write1

tIWP

Duration of Write1, 2

tIDSU

IAD15–0 Data Setup before End of Write2, 3, 4

tIDH

IAD15–0 Data Hold after End of Write2, 3, 4

Switching Characteristic:

tIKHW

Start of Write to IACK High

NOTES

1Start of Write = IS Low and IWR Low.

2End of Write = IS High or IWR High.

3If Write Pulse ends before IACK Low, use specifications tIDSU, tIDH.

4If Write Pulse ends after IACK Low, use specifications tIKSU, tIKH.

IACK

tIKW

tIKHW

Min

0

15

5

2

IS

IWR

IAD 15–0

tIWP

tIDSU

tIDH

DATA

Figure 16. IDMA Write, Short Write Cycle

Max

15

Unit

ns

ns

ns

ns

ns

–22–

REV. 0

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