ADSP-2186NKCA-320 データシートの表示（PDF） - Analog Devices

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ADSP-2186NKCA-320

DSP Microcomputer

Analog Devices 

ADSP-218xN Series

Table 5. Unused Pin Terminations (Continued)

Pin Name1

I/O

3-State

(Z)2

Reset

State Hi-Z3 Caused By

Unused Configuration

D3 or

IACK

D2–0 or

IAD15 – 13

PMS

DMS

BMS

IOMS

CMS

RD

WR

BR

BG

BGH

IRQ2/PF7

IRQL1/PF6

IRQL0/PF5

IRQE/PF4

PWD

SCLK0

RFS0

DR0

TFS0

DT0

SCLK1

RFS1/IRQ0

DR1/FI

TFS1/IRQ1

DT1/FO

EE

EBR

EBG

ERESET

EMS

EINT

ECLK

ELIN

ELOUT

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)

I/O (Z)

I/O (Z)

I/O (Z)

I

I/O

I/O

I

I/O

O

I/O

I/O

I

I/O

O

I

I

O

I

O

I

I

I

O

Hi-Z BR, EBR

Hi-Z

Hi-Z

O

O

O

O

O

O

O

I

O

O

I

I

I

I

I

I

I

I

I

O

I

I

I

I

O

I

I

O

I

O

I

I

I

O

BR, EBR

IS

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

BR, EBR

EE

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

Input = High or Low, Output = Float

High or Low

High or Low

High or Low

Float

Float

Float

Float

Float

Float

Float

Float

Float

Float

1CLKIN, RESET, and PF3–0/Mode D –A are not included in this table because these pins must be used.

2All bidirectional pins have three-stated outputs. When the pin is configured as an output, the output is Hi-Z (high impedance) when inactive.

3Hi-Z = High Impedance.

4If the CLKOUT pin is not used, turn it OFF, using CLKODIS in SPORT0 autobuffer control register.

5If the Interrupt/Programmable Flag pins are not used, there are two options: Option 1: When these pins are configured as INPUTS at reset and function

as interrupts and input flag pins, pull the pins High (inactive). Option 2: Program the unused pins as OUTPUTS, set them to 1 prior to enabling interrupts,

and let pins float.

REV. 0

–7–

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