ASI4U datasheet(4/64 Pages) ETC2

4 / 64 page

ASI4U / ASI4U-E / ASI4U-F

Spec. 3.0 Compliant Universal AS-I IC

Data Sheet

April 2, 2012

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

4 of 63

Contents

Read this First ........................................................................................................................................... 6

0.1.

Important Notice.................................................................................................................................. 6

0.2.

ASI-Safety Applications....................................................................................................................... 6

0.3.

Repair of ASI-Safety Modules ............................................................................................................. 6

General Device Specification..................................................................................................................... 6

1.1.

Absolute Maximum Ratings (Non Operating) ...................................................................................... 6

1.2.

Operating Conditions .......................................................................................................................... 6

1.3.

Quality Standards ............................................................................................................................... 6

1.4.

Package Pin Assignment .................................................................................................................... 6

Basic Functional Description...................................................................................................................... 6

2.1.

Functional Block Diagram ................................................................................................................... 6

2.2.

General Operational Modes ................................................................................................................ 6

2.3.

Slave Mode......................................................................................................................................... 6

2.3.1.

AS-i communication channel ........................................................................................................ 6

2.3.2.

IRD communication channel......................................................................................................... 6

2.3.3.

Parameter Port Pins ..................................................................................................................... 6

2.3.4.

Data Port Pins .............................................................................................................................. 6

2.3.5.

Data Input Inversion...................................................................................................................... 6

2.3.6.

Data Input Filtering ....................................................................................................................... 6

2.3.7.

Fixed Data Output Driving ............................................................................................................ 6

2.3.8.

Synchronous Data I/O Mode ........................................................................................................ 6

2.3.9.

4 Input / 4 Output processing in Extended Address Mode ............................................................ 6

2.3.10. AS-i Safety Mode.......................................................................................................................... 6

2.3.11. Enhanced LED Status Indication ..................................................................................................6

2.3.12. Communication Monitor/Watchdog............................................................................................... 6

2.3.13. Write protection of ID_Code_Extension_1 .................................................................................... 6

2.3.14. Summary of Master Calls ............................................................................................................. 6

2.4.

Master Mode ....................................................................................................................................... 6

2.5.

E²PROM ............................................................................................................................................. 6

Detailed Functional Description ................................................................................................................. 6

3.1.

AS-i Receiver ...................................................................................................................................... 6

3.2.

AS-i Transmitter .................................................................................................................................. 6

3.3.

Addressing Channel Input IRD............................................................................................................ 6

3.3.1.

General Slave Mode Functionality ................................................................................................6

3.3.2.

AC Current Input Mode................................................................................................................. 6

3.3.3.

CMOS Input Mode........................................................................................................................ 6

3.3.4.

Master-, Repeater- and Monitor-Mode.......................................................................................... 6

3.4.

Digital Inputs - DC Characteristics ...................................................................................................... 6

3.5.

Digital Outputs - DC Characteristics.................................................................................................... 6

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