ADSP-2184L Ver la hoja de datos (PDF) - Analog Devices

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componentes Descripción

Fabricante

ADSP-2184L

DSP Microcomputer

Analog Devices 

ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L

TERMINATING UNUSED PINS

Table 12 shows the recommendations for terminating

unused pins.

Table 12. Unused Pin Terminations

Pin Name1

XTAL

CLKOUT

A13–1 or

IAD12 – 0

A0

D23 – 8

D7 or

IWR

D6 or

IRD

D5 or

IAL

D4 or

IS

D3 or

IACK

D2–0 or

IAD15 – 13

PMS

DMS

BMS

IOMS

CMS

RD

WR

BR

BG

BGH

IRQ2/PF7

I/O

3-State (Z)2

O

O

O (Z)

I/O (Z)

O (Z)

I/O (Z)

I/O (Z)

I

I/O (Z)

I

I/O (Z)

I

I/O (Z)

I

I/O (Z)

I/O (Z)

I/O (Z)

O (Z)

O (Z)

O (Z)

O (Z)

O (Z)

O (Z)

O (Z)

I

O (Z)

O

I/O (Z)

Reset

State

O

O

High-Z

High-Z

High-Z

High-Z

High-Z

I

High-Z

I

High-Z

I

High-Z

I

High-Z

High-Z

High-Z

O

O

O

O

O

O

O

I

O

O

I

High-Z3 Caused By

BR, EBR

IS

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

IS

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

EE

IRQL1/PF6

I/O (Z)

I

IRQL0/PF5

I/O (Z)

I

IRQE/PF4

I/O (Z)

I

PWD

SCLK0

RFS0

DR0

TFS0

DT0

I

I

I/O

I

I/O

I

I

I

I/O

I

O

O

Unused Configuration

Float

Float4

Float

Float

Float

Float

Float

High (Inactive)

Float

High (Inactive)

Float

Low (Inactive)

Float

High (Inactive)

Float

Float

Float

Float

Float

Float

Float

Float

Float

Float

Float

High (Inactive)

Float

Float

Input = High (Inactive) or Program as Output, Set to

1, Let Float5

Input = High (Inactive) or Program as Output, Set to

1, Let Float5

Input = High (Inactive) or Program as Output, Set to

1, Let Float5

Input = High (Inactive) or Program as Output, Set to

1, Let Float5

High

Input = High or Low, Output = Float

High or Low

High or Low

High or Low

Float

Rev. C | Page 19 of 48 | January 2008

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