Datasheet > ASI4U

ASI4U

更新时间： 2024-11-16 14:58:03

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
71页	1193K
描述
AS-Interface Spec. V3.0 Compliant Universal AS-i IC

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ASI4U 数据手册

ASI4U /

ASI4U-E /

ASI4U-F

Datasheet

AS-Interface Spec. V3.0

Compliant Universal AS-i IC

Brief Description

Benefits

The ASI4U is a next-generation CMOS integrated

circuit for AS-i networks. This low-level field bus AS-i

(Actuator Sensor Interface) was designed for easy,

safe, and cost-effective interconnection of sensors,

actuators, and switches. It transports both power

and data over the same two-wire unshielded cable.

•

Flexible, separated I/O pins

Flexible AS-i Bus adoption (isolated transceiver)

Very small package SSOP28 (ASI4U and ASI4U-F)

High ambient temperature applications (ASI4U-E)

Physical Characteristics

The ASI4U is used as part of a master or slave node

and functions as an interface to the physical bus. It

provides the power supply, physical data transfer,

and communication protocol handling. The ASI4U is

fully compliant with the AS-Interface Complete

Specification V3.0. It is function and pin compatible

with the A²SI IC.

•

ASI4U operational temperature: -25 to +85 °C

ASI4U-F operational temperature: -40 to +85 °C

ASI4U-E operational temperature: -25 to +105 °C

RoHS-conformant package: SSOP28 (ASI4U and

ASI4U-F) / SOP28 (ASI4U-E)

Available Support

All configuration data are stored in an internal

EEPROM that can be easily programmed by a

stationary or handheld programming device. The

special AS-i safety option assures short response

times for security-related events.

•

IDT AS-Interface Programmer Kit V2.0

IDT ASI4U Evaluation Board V2.0

ASI4U Basic Application Circuits

Standard Application

Features

+24V

UIN

UOUT

FID

•

Compliant with AS-Interface Complete Specifica-

tion V3.0

OSC1

DSR

PST

OSC2

ASIP

Universal application: slaves, masters, repeaters,

and bus-monitors

ASI+

ASI-

DI[3:0]

DO[3:0]

Floating AS-i transmitter and receiver for highly

symmetrical high-power applications

ASI4U

ASIN

CAP

U5R

P[3:0]

On-chip electronic inductor with current drive

capability of 55 mA

LED1

LED2

IRD

Two configurable LED outputs to support all

AS-Interface Complete Specification V3.0 status

indication modes

GND

+0V

Extended Power Application with IR-Addressing Option

•

Several data pre-processing functions, including

configurable data input filters and bit-selective

data inverting

+24V

UIN

UOUT

FID

OSC1

•

Additional addressing channel for easy wireless

module setup

DSR

PST

OSC2

ASIP

ASI+

ASI-

DI[3:0]

DO[3:0]

Support of 8 and 16 MHz crystals by automatic

frequency detection

ASI4U

ASIN

CAP

U5R

P[3:0]

•

Special AS-i safety option

Clock watchdog for high system security

LED1

LED2

与ASI4U相关器件

型号	品牌	获取价格	描述	数据表
ASI4U_12	ETC	获取价格	3.0 Compliant Universal AS-I IC
ASI4UC-E-G1-MR	IDT	获取价格	Interface Circuit, CMOS, PDSO28, 0.300 INCH, GREEN, SOP-28
ASI4UC-E-G1-MT	IDT	获取价格	Interface Circuit, CMOS, PDSO28
ASI4UC-E-G1-SR	ZMD	获取价格	Universal Actuator-Sensor Interface IC
ASI4UC-E-G1-ST	ZMD	获取价格	Universal Actuator-Sensor Interface IC
ASI4UC-G1-MR	ZMD	获取价格	Universal Actuator-Sensor Interface IC
ASI4UC-G1-MT	ZMD	获取价格	Universal Actuator-Sensor Interface IC
ASI4UC-G1-SR	ZMD	获取价格	Universal Actuator-Sensor Interface IC
ASI4UC-G1-SR-7	ZMD	获取价格	Universal Actuator-Sensor Interface IC
ASI4UC-G1-ST	ZMD	获取价格	Universal Actuator-Sensor Interface IC

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