HOLT HI?8470 Manual de usuario

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

23351 Madero,

Mission Viejo, CA

92691. USA.

Tel: + 1 949 859 8800

Fax: + 1 949 859 9643

Email: sales@holtic.com

Web: www.holtic.com

HI-8470/HI-8476

ARINC 429 Repeater

Evaluation Board

Quick Start Guide

Oct 25, 2018

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

INTRODUCTION

The Holt ARINC Repeater Board contains the Holt HI-8470 and HI-8476 devices, these are ARINC 429

receiver and transmitter devices respectively. In this project they are combined together to produce an

ARINC 429 repeater or regenerator. The board runs from a single 3.3V ± 5% supply voltage. The

Repeater Evaluation Module requires no software for control; all functions are set by hardware DIP

switches.

The HI-8476 receiver has parallel outputs that are connected to the HI-8470 parallel inputs, see block

diagram below:

HI-8476 HI-8470

ARINC 429

INPUT

1MHz

Clock

LOW/HIGH SPEED

TXENB

ARINC 429

OUTPUT

CLK

CLK UPDATE

BIT32N

PARITY

BITS 10:1

nBITS 26:11

BITS 31:27

HCT

3.3V

3.3V 10K

PARITY

CHECK

3.3V



HCT



LBL

7:0

FLT

7:0

SDE

SD9:10

3.3V

28V/3.3V

DC/DC

Converter

28V

3.3V

GND 10K GND10K

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

The picture below shows the ARINC repeater board. At the top right is a 28V to 3.3V DC-DC converter

that gives the option of running from an aircraft type 28VDC instead of a 3.3VDC supply.

More details about the design of the repeater are available in the Holt ARINC repeater white paper.

This guide summarizes how to get set up and running quickly.

KIT CONTENTS

This User Guide

ARINC Repeater Evaluation Board

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

Switch Functions

SWITCH

NAME

DEFAULT

DESCRIPTION

SW1

RXSPEED

TXSPEED

PARITY

BIT32N

SDE

SD9

SD10

nMR

OFF

Receive ARINC 429 speed ON = High, OFF = Low

Transmit ARINC 429 speed ON = High, OFF = Low

HI-8476 Parity Checking ON = Enable, OFF = Disable

Use HI-8476 Parity bit to disable HI-8470 transmission

SD bit filtering enable ON = Enabled

SD9 filtering enable ON = Enabled

SD10 filtering enable ON = Enabled

Master Reset ON = Reset

SW2

LABEL 0:7

All OFF

ARINC 429 label bits 0:7.



SW3

FILT 0:7

All OFF

Sets ARINC 429 message filter bits.



Connector Functions

CONNECTOR

NAME

DESCRIPTION

GND

TXB

TXA

GND

TXB ARINC negative output

TXA ARINC positive output

GND

RXA

RXB

GND

RXA ARINC negative input

RXB ARINC positive input

GND

+28V

GND

+28V, 28VDC converter supply (link J6)

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

Jumper Functions

JUMPER

DEFAULT

NAME

DESCRIPTION

OFF



When l

OFF

VLOGIC/3.3V

When using 28V supply install J6, this links converter

3.3V output to VLOGIC.

Board Set Up

1. Make sure the link and switch positions are in the default state as listed in the tables above.

Ensure that link J6 is off; connect a 3.3V supply between the VLOGIC and GND test points, the

current should be ~50mA, t If preferred, the board can be

powered from a nominal +28V supply. To configure for this; install J6 and connect a 28V

supply between the GND and +28V terminals of J6.

2. Using an ARINC 429 source, connect the positive side of the signal to the RXA terminal and

the negative to the RXB terminal. onnect an oscilloscope to

the ARINC 429 outputs, TXA and TXB for best results; use the scope in differential mode.

Observe the ARINC 429 output waveformshould

look similar to the waveform shown below:

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

3. . The ARINC output should now be the same as the ARINC input; the

board is repeating the input signal. Change SW1 TXSPEED to OFF. The output data rate

should be low speed, the data content should be the same as before. Now change SW1

RXSPEED to OFF and input a Low speed ARINC signal, the output data should be the same as

the low speed data input.

4. If desired, the repeater can selectively repeat ARINC words according to the LABEL content.

The LABEL switch selects the LABEL to be retransmitted and FILT switch selects the LABEL bits

that are evaluated during the filtering process. For example; if only messages with LABEL =

0000001 were required to be repeated, then the LABEL switch SW2 is set to 0000001 and

FILT switch SW3 set to 11111111. Note that on the board the switch bits are in the order of

LSB to the left, MSB to the right. If all words with LABEL bits[1:0] = 11 should be repeated,

then the LABEL switch is set to 00000011 and FILT switch is set to 00000011. In a similar

manner the SD9 and SD10 bits can be used to select word for transmission. See HI-8476

datasheet for more details.

5. With the SW1 PARITY switch in default mode, the repeater will re-transmit all valid ARINC

words whether the parity is odd or even. When set to ON, parity checking is enabled, so only

odd parity words are retransmitted.

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

UPDATE

CLK

VLOGIC

U4B

74HC74

CLK

11 Q9

PRE

10 CLR

U4A

74HC74

CLK

3Q5

PRE

4CLR

321 4 5 6

ON (CLOSED)

SW2

LLA2

LLA1

LLA0

LLA7

LLA6

LLA5

LLA4

LLA3

100k

CLK

R10

39 TP6

C11

10nF

VLOGIC

OSC, 4 PIN, 1MHz 3.3V

E/D

GND

2OUT 3

VDD 4TP7

GND

CLK

GND

FILT7

FILT5

FILT6

FILT3

FILT4

FILT2

FILT0

FILT1

TP8

TP11

CLK

TXENB

SDATA

SCLK

BIT32N

GND

TP3

VLOGIC

LLA1

LLA0

LLA2

LLA3

LLA4

LLA5

LLA6

LLA7

TP9

.1uF, 50V

VLOGIC

NEAR U1

NEAR U2

TP10

TXENB

VLOGIC

TP12

TP13

ON FOR PARITY CHECKING

CLK

33K

nMR

Title

Size Document Number Rev

Date: Sheet of

ARINC 429 REPEATER using HI-8476 AND HI-8470

1 1Tuesday, October 22, 2013

321 4 5 6

ON (CLOSED)

SW1

SD10

SDE

SD9

SD10

HI-8476 128-PQFP

VDD

CLKIN

SPEED

PARITY

SCLK

SDAT

TESTDIS

TESTOUT

RXA-R

RXB-R

LLBEN

LLCEN

LLB7

LLA7

LLB6

LLA6

LLB5

LLA5

LLB4

LLA4

LLB3

LLA3

LLB2

LLA2

LLB1

LLA1

LLB0

LLA0

SDE

SD10

SD9

LLC7

FILT7

LLC6

FILT6

LLC5

FILT5

LLC4

FILT4

LLC3

FILT3

LLC2

FILT2

LLC1

FILT1

LLC0

FILT0

GND

UPDATE

BIT1 65

BIT1 66

BIT2 67

BIT2 68

BIT3 69

BIT3 70

BIT4 71

BIT4 72

BIT5 73

BIT5 74

BIT6 75

BIT6 76

BIT7 77

BIT7 78

BIT8 79

BIT8 80

BIT9 81

BIT9 82

BIT10 83

BIT10 84

BIT11 85

BIT11 86

BIT12 87

BIT12 88

BIT13 89

BIT13 90

BIT14 91

BIT14 92

BIT15 93

BIT15 94

BIT16 95

BIT16 96

BIT17 97

BIT17 98

BIT18 99

BIT18 100

BIT19 101

BIT19 102

BIT20 103

BIT20 104

BIT21 105

BIT21 106

BIT22 107

BIT22 108

BIT23 109

BIT23 110

BIT24 111

BIT24 112

BIT25 113

BIT25 114

BIT26 115

BIT26 116

BIT27 117

BIT27 118

BIT28 119

BIT28 120

BIT29 121

BIT29 122

BIT30 123

BIT30 124

BIT31 125

BIT31 126

BIT32 127

BIT32 128

R12

13K 1/8W

R13

13K 1/8W U2

HI-8470 100 PQFP

VWET

SI0

SI1

SI2

SI3

SI4

SI5

SI6

SI7

SI8

SI9

SI10

SI12

SI13

SI14

SI15

GND

TST0

TST1

S00

S01

S02

S03

S04

S05

S06

S07

S010

S011

S012

S013

S014

S015

SPEED

MRN

CLKIN

LBL0

LBL1

LBL2

LBL3

LBL4

LBL5

LBL6

LBL7

BIT9

BIT10

BIT27

BIT28 51

BIT29 52

BIT30 53

BIT31 54

TMR7 55

TMR6 56

TMR5 57

TMR4 58

TMR3 59

TMR2 60

TMR1 61

TMR0 62

TXBDIG 63

TXADIG 64

GNDB 65

TXB 66

TXA 67

GNDA 68

TXENB 69

SEL0 70

SEL1 71

SEL2 72

SEL3 73

SEL4 74

SI11

S08

S09

SEL5 75

SEL6 76

SEL7 77

SEL8 78

SEL9 79

SEL10 80

SEL11 81

SEL12 82

SEL13 83

SEL14 84

SEL15 85

V- 86

CN+ 87

CN- 88

GND 89

VDD 90

CP- 91

CP+ 92

V+ 93

EXTTHSOG 94

TSHLO0G 95

THSHIOG 96

EXTTHSVO 97

THSLOVO 98

THSHIVO 99

VLOGIC 100

33K

SD9

33K

U3 OKI-78SR-3.3/1.5-W36 H-C

VIN

1VOUT 3

GND

330

TP5

POWER C14

.1uF, 50V

TP4

+28V

TP2TP1 J1

ARINC OUT

.1uF, 50V

BIT1

BIT2

BIT4

BIT3

BIT7

BIT6

BIT5

BIT10

BIT8

BIT9

BIT12

BIT11

33K

BIT14

BIT13

BIT16

BIT15

BIT17

33K

BIT19

BIT18

BIT20

BIT23

BIT22

BIT21

PARITY_CHK

RxSPEED

BIT25

BIT24

BIT27

BIT26

PARITY_CHK

BIT30

BIT29

BIT28

TxSPEED

RxSPEED

BIT31

1uF,50V

C10

47uF,6.3V

BIT1

BIT2

BIT3

BIT4

BIT5

VLOGIC

BIT6

BIT7

BIT8

TxSPEED

BIT9

3V3

VLOGIC

BIT10

TEST 1's

VLOGIC

BIT27

BIT28

BIT29

BIT30

3V3

BIT31

3.3V 1

VLOGIC

BIT11

BIT12

VLOGIC

BIT14

BIT15

nMR

BIT16

BIT17

BIT18

BIT19

BIT20

BIT21

BIT22

BIT23

BIT24

BIT25

BIT26

BIT32N

ARINC IN

BIT13

VLOGIC

nMR

R11

33K

TXB

TXA

RXB

RXA

VLOGIC

TXBTXA

47uF,6.3V

-V

47uF,10V,MLC

4.7uF,10V,MLC

47uF,10V,MLC

4.7uF,10V,MLC

VLOGIC

321 4 5 6

ON (CLOSED)

87 SW3

FILT2

FILT1

100k

FILT3

FILT0

FILT7

FILT6

FILT5

FILT4

GND

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

HI-8470 & 76 Arinc Repeater Board

11-Dec-13

Qty

Description

Reference

DigiKey

Mfr P/N

Capacitor, Ceramic 100nF 10% 50V X7R 0603

C4,C7,C8,C14

399-5089-1-ND

Kemet C0603C104K5RACTU

Capacitor, Ceramic 10nF 10% 50V X7R 0603

C11

399-1091-1-ND

Kemet C0603C103K5RACTU

Capacitor Ceramic 4.7uF 10V 10% X5R 0603

C5,C6

445-7482-1-ND

TDK

CGB3B1X5R1A475K055AC

Capacitor Ceramic 1uF 50V 10% X7R 1210

490-1863-1-ND

Murata

GRM32RR71H105KA01L

Capacitor Tantalum 47uF 6.3V 20% 1210

C2,C10

493-4094-1-ND

Nichicon F920J476MBA

Capacitor Ceramic 47uF 10V 20% JB 0805

C1,C3

445-11420-1-ND

TDK C2012JB1A476M125AC

Conn Shunt 2 Position, 0.1" Pitch

N/A

A31697-ND

TE 2-382811-1

Header, Male 1x2, .1" Pitch

J5,J6

S1012E-02-ND

Sullins S1012E-02-ND

Header, Male 1x3, .1" Pitch

J1,J2,J4

S1012E-03-ND

Sullins S1012E-09-ND

Res 39 Ohm 1/10W 5% 0603 SMD

R10,R11

P39GCT-ND

Panasonic ERJ-3GEYJ390V

Res 1K Ohm 1/10W 5% 0603 SMD

R2,R8

P1.0KGCT-ND

Panasonic ERJ-3GEYJ102V

Res 330 Ohm 1/10W 5% 0603 SMD

P330GCT-ND

Panasonic ERJ-3GEYJ331V

Res 13K Ohm 1/10W 5% 0603 SMD

R12,R13

P13KGCT-ND

Panasonic ERJ-3GEYJ13KV

Res 33K Ohm 1/10W 5% 0603 SMD

R1,R2,R3,R4,R6,R7,R11

P33KGCT-ND

Panasonic ERJ-3GEYJ333V

Res 100K Ohm 1/10W 5% 0603 SMD

R14,R15,R16,R18,R19

P100KGCT-ND

Panasonic ERJ-3GEYJ104V

Res Array 100K Ohm 8 RES 9SRT

R5,R8

752-091-100KPCT-ND

CTS 752091104GPTR7

LED Green Clear 0805 SMD

160-1179-1-ND

LiteOn LTST-C170GKT

Switch DIP Half Pitch 8 Pos

SW1,SW2,SW3

CT2188LPST-ND

CTS 218-8LPST

Osc 1.0 Mhz 3.3V HCMOS, 5x7 mm SMD

631-1122-1-ND

FOX FXO-HC735-1

Test Point PC Mini .040"D Black

TP1-TP13

5001K-ND

Keystone 5011

HI-8476 128 PQFP Arinc Receiver

HOLT IC

Holt IC

HI-8470 100 PQFP Arinc Transmitter

HOLT IC

Holt IC

IC Single Gate SOT-23-5

296-1240-1-ND

TI SN74LVC74ADR

Converter DC/DC 4.95W 36VIn 3.3VOut

OKI-78SR-3.3/1.5-W36

H-C

OKI-78SR-3.3/1.5-W36 H-C

Bumpon Cylindrical .312X.200 Black

N/A

SJ5746-0-ND

3M SJ61A1

QSG-8476-Repeater_A HOLT INTEGRATED CIRCUITS 10/25/18

REVISION HISTORY

Revision

Date

Description of Change

QSG-8476, Rev. New

12/11/13

Initial Release

QSG-8476-Repeater,

Rev. New

01/20/14

Change document name from QSG-8476_New to

QSG-8476-Repeater_New

QSG-8476-Repeater,

Rev. New

10/25/18

Correct typo in Connector Functions table on p. 4. J2,

RXA and RXB pins reversed.

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