ADSP2185BST133 Analog Devices, ADSP2185BST133 Datasheet

ADSP2185BST133

Manufacturer Part Number

ADSP2185BST133

Description

TQFP-100

Manufacturer

Analog Devices

Datasheet

1.ADSP2185BST-133.pdf (6 pages)

Specifications of ADSP2185BST133

Date_code

04+

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ADSP-2185L

Parameter

IDMA Write, Long Write Cycle

Timing Requirements:

Switching Characteristics:

NOTES

IKW

IKSU

IKH

IKLW

IKHW

Start of Write = IS Low and IWR Low.

If Write Pulse ends before IACK Low, use specifications t

If Write Pulse ends after IACK Low, use specifications t

This is the earliest time for IACK Low from Start of Write. For IDMA Write cycle relationships, please refer to the ADSP-2100 Family User’s Manual, Third Edition.

IACK Low before Start of Write

IAD15–0 Data Setup before IACK Low

IAD15–0 Data Hold after IACK Low

Start of Write to IACK Low

Start of Write to IACK High

IAD15–0

IACK

IWR

Figure 27. IDMA Write, Long Write Cycle

IKSU

IDSU

, t

IKW

, t

IKH

IDH

2, 3, 4

IKHW

–26–

IKSU

IKLW

DATA

Min

0.5t

1.5t

+ 10

IKH

Max

Unit

REV. A

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