Datasheet > HI-8282UM-03

HI-8282UM-03

更新时间： 2024-01-12 09:11:38

品牌	Logo	应用领域
HOLTIC		接收机
页数	文件大小	规格书
13页	187K
描述
ARINC 429 SERIAL TRANSMITTER AND DUAL RECEIVER

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HI-8282UM-03 数据手册

HI-8282

ARINC 429 SERIAL TRANSMITTER AND DUAL RECEIVER

September 2006

GENERALDESCRIPTION

FEATURES

! ARINC specification 429 compliant

! 16-Bit parallel data bus

The HI-8282 is a silicon gate CMOS device for interfacing

the ARINC 429 serial data bus to a 16-bit parallel data bus.

Two receivers and an independent transmitter are

provided. The receiver input circuitry and logic are

designed to meet theARINC 429 specifications for loading,

level detection, timing, and protocol. The transmitter

section provides the ARINC 429 communication protocol.

An external line driver such as the Holt HI-8585 or HI-3182

is required to translate the 5 volt logic outputs toARINC 429

drive levels.

! Direct receiver interface to ARINC bus

! Timing control 10 times the data rate

! Selectable data clocks

! Receiver error rejection per ARINC

specification 429

! Automatic transmitter data timing

! Self test mode

The 16-bit parallel data bus exchanges the 32-bit ARINC

data word in two steps when either loading the transmitter

or interrogating the receivers. The data bus interfaces with

CMOS andTTL.

! Parity functions

! Low power, single 5 volt supply

! Industrial & full military temperature ranges

! DSCC SMD part number

Timing of all the circuitry begins with the master clock input,

CLK. For ARINC 429 applications, the master clock

frequency is 1 MHz.

PIN CONFIGURATION (Top View)

Each independent receiver monitors the data stream with a

sampling rate 10 times the data rate. The sampling rate is

software selectable at either 1MHz or 125KHz. The results

of a parity check are available as the 32nd ARINC bit. The

HI-8282 examines the null and data timings and will reject

erroneous patterns. For example, with a 125 KHz clock

selection, the data frequency must be between 10.4 KHz

and 15.6 KHz.

Vcc

(REC. 1 INPUT) 429DI1(A)

(MASTER RESET)

(REC.1 INPUT) 429DI1(B)

TX CLK (XMIT CLOCK OUT)

(REC. 2 INPUT) 429DI2(A)

CLK

(MASTER CLK IN)

(REC. 2 INPUT) 429DI2(B)

(REC.1 DATA FLAG) D/R1

(REC.2 DATA FLAG) D/R2

CWSTR (CONTROL WORD STROBE)

ENTX (ENABLE XMIT)

(REC. BYTE SELECT) SEL

The transmitter has a First In, First Out (FIFO) memory to

store 8ARINC words for transmission. The data rate of the

transmitter is software selectable by dividing the master

clock, CLK, by either 10 or 80. The master clock is used to

set the timing of theARINC transmission within the required

resolution.

(REC. 1 OUTPUT ENABLE) EN1

429DO (XMIT DATA)

(REC. 2 OUTPUT ENABLE) EN2

TX/R

PL2

(XMIT READY FLAG)

BD15

BD14

BD13

BD12

BD11

BD10

BD09

BD08

BD07

BD06

(XMIT BYTE 2 LE)

(XMIT BYTE 1 LE)

PL1

BD00

BD01

BD02

BD03

BD04

BD05

GND

APPLICATIONS

! Avionics data communication

! Serial to parallel conversion

! Parallel to serial conversion

HI-8282C / CT / CM-01 / CM-03

SMD # 5962-8688002QA

40-Pin Ceramic Side-Brazed DIP

(See page 10 for additional Package Pin Configurations)

HOLT INTEGRATED CIRCUITS

www.holtic.com

(DS8282 Rev. E)

09/06

12 3 4 5 6 7...13

中文翻译

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与HI-8282UM-03相关器件

型号	品牌	获取价格	描述	数据表
HI-8282UT	HOLTIC	获取价格	ARINC 429 SERIAL TRANSMITTER AND DUAL RECEIVER
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