Datasheet

ZENTRUM MIKROELEKTRONIK DRESDEN AG

“ASI for you” IC

Copyright © 2006, ZMD AG, Rev.1.4

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The

Information furnished in this publication is preliminary and subject to changes without notice.

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Table of Contents

Page

0

READ THIS FIRST.......................................................................................................................................... 4

0.1

IMPORTANT NOTICE .................................................................................................................................... 4

0.2

ASI-SAFETY APPLICATIONS ........................................................................................................................ 4

0.3

REPAIR OF ASI-SAFETY MODULES .............................................................................................................. 4

1

GENERAL DEVICE SPECIFICATION............................................................................................................ 5

1.1

ABSOLUTE MAXIMUM RATINGS (NON OPERATING) ....................................................................................... 5

1.2

OPERATING CONDITIONS ............................................................................................................................ 6

1.3

QUALITY STANDARDS ................................................................................................................................. 6

1.4

PACKAGE PIN ASSIGNMENT......................................................................................................................... 7

2

BASIC FUNCTIONAL DESCRIPTION ........................................................................................................... 9

2.1

FUNCTIONAL BLOCK DIAGRAM..................................................................................................................... 9

2.2

GENERAL OPERATIONAL MODES ............................................................................................................... 11

2.3

SLAVE MODE............................................................................................................................................ 11

2.3.1

AS-i communication channel .......................................................................................................... 11

2.3.2

IRD communication channel ........................................................................................................... 12

2.3.3

Parameter Port Pins........................................................................................................................ 12

2.3.4

Data Port Pins ................................................................................................................................. 12

2.3.5

Data Input Inversion ........................................................................................................................ 13

2.3.6

Data Input Filtering.......................................................................................................................... 13

2.3.7

Fixed Data Output Driving............................................................................................................... 13

2.3.8

Synchronous Data I/O Mode........................................................................................................... 13

2.3.9

4 Input / 4 Output processing in Extended Address Mode ............................................................. 13

2.3.10

AS-i Safety Mode ............................................................................................................................ 14

2.3.11

Enhanced LED Status Indication .................................................................................................... 14

2.3.12

Communication Monitor/Watchdog................................................................................................. 14

2.3.13

Write protection of ID_Code_Extension_1...................................................................................... 14

2.3.14

Summary of Master Calls................................................................................................................ 14

2.4

MASTER MODE......................................................................................................................................... 17

2.5

E²PROM ................................................................................................................................................. 18

3

DETAILED FUNCTIONAL DESCRIPTION .................................................................................................. 21

3.1

AS-I RECEIVER......................................................................................................................................... 21

3.2

AS-I TRANSMITTER ................................................................................................................................... 21

3.3

ADDRESSING CHANNEL INPUT IRD ............................................................................................................ 22

3.3.1

General Slave Mode Functionality .................................................................................................. 22

3.3.2

AC Current Input Mode ................................................................................................................... 23

3.3.3

CMOS Input Mode .......................................................................................................................... 23

3.3.4

Master-, Repeater- and Monitor-Mode............................................................................................ 24

3.4

DIGITAL INPUTS - DC CHARACTERISTICS ................................................................................................... 25

3.5

DIGITAL OUTPUTS - DC CHARACTERISTICS ............................................................................................... 25

3.6

PARAMETER PORT AND PST PIN............................................................................................................... 26

3.6.1

Slave Mode ..................................................................................................................................... 26

3.6.2

Parameter Multiplex Mode .............................................................................................................. 27

3.6.3

Special function of P0, P1 and P2 .................................................................................................. 27

3.6.4

Master-, Repeater-, Monitor Mode.................................................................................................. 28

3.7

DATA PORT AND DSR PIN ........................................................................................................................ 29

3.7.1

Slave Mode ..................................................................................................................................... 29

3.7.2

Input Data Pre-Processing.............................................................................................................. 30

3.7.3

Fixed Output Data Driving............................................................................................................... 32

3.7.4

Synchronous Data I/O Mode........................................................................................................... 32

3.7.5

Support of 4I/4O processing in Extended Address Mode, Profile 7.A.x.E...................................... 34

3.7.6

Safety Mode Operation ................................................................................................................... 34

3.7.7

Master-, Repeater-, Monitor Mode.................................................................................................. 38

3.7.8

Special function of DSR .................................................................................................................. 38