ADSP-2191MKCA-160X データシートの表示（PDF） - Analog Devices

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ADSP-2191MKCA-160X

DSP Microcomputer

Analog Devices 

35(/,0,1$5< 7(&+1,&$/ '$7$

September 2001 For current information contact Analog Devices at 800/262-5643

Table 7. Pin Descriptions (Continued)

ADSP-2191

Pin

PF3

/SPI1SEL1

/MSEL3

PF2

/SPI0SEL1

/MSEL2

PF1

/SPISS1

/MSEL1

PF0

/SPISS0

/MSEL0

RD

WR

ACK

BMS

IOMS

MS3–0

BR

BG

BGH

HAD15–0

HA16

HACK_P

HRD

HWR

HACK

HALE

HCMS

HCIOMS

CLKIN

XTAL

BMODE1–0

OPMODE

Type Function

I/O/T Programmable Flags 3/SPI1 Slave Select output 1 (when SPI0 enabled)/Multiplier Select 3

I

(during boot)

I

I/O/T Programmable Flags 2/SPI0 Slave Select output 1 (when SPI0 enabled)/Multiplier Select 2

I

(during boot)

I

I/O/T Programmable Flags 1/SPI1 Slave Select input (when SPI1 enabled)/Multiplier Select 1

I

(during boot)

I

I/O/T Programmable Flags 0/SPI0 Slave Select input (when SPI0 enabled)/Multiplier Select 0

I

(during boot)

I

O/T External Port Read Strobe

O/T External Port Write Strobe

I

External Port Access Ready Acknowledge

O/T External Port Boot Space Select

O/T External Port IO Space Select

O/T External Port Memory Space Selects

I

External Port Bus Request

O

External Port Bus Grant

O

External Port Bus Grant Hang

I/O/T Host Port Multiplexed Address and Data Bus

I

Host Port MSB of Address Bus

I

Host Port ACK Polarity

I

Host Port Read Strobe

I

Host Port Write Strobe

O

Host Port Access Ready Acknowledge

I

Host Port Address Latch Strobe or Address Cycle Control

I

Host Port Internal Memory–Internal I/O Memory–Boot Memory Select

I

Host Port Internal I/O Memory Select

I

Clock Input/Oscillator input

O

Oscillator output

I

Boot Mode 1–0. The BMODE1 and BMODE0 pins have 85 kΩ internal pull-up resistors.

I

Operating Mode. The OPMODE pin has a 85 kΩ internal pull-up resistor.

REV. PrC

This information applies to a product under development. Its characteristics and specifications are subject to change with-

19

out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.

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