ZENTRUM MIKROELEKTRONIK DRESDEN AG
Datasheet
“ASI for you” IC
4 Application Circuits
Standard Application with bi-directional Data I/O
The following figures show typical application
cases of the ASI4U. Please note that these
schematics show only principle circuit drafts.
For more detailed application information see
the separate ASI4U Application Notes docu-
ment.
ASI4U
UOUT
FID
+24V
UIN
Figure 20 outlines a standard slave applica-
8/16MHz
tion circuit compliant to the first AS-i IC.
OSC1
OSC2
Figure 21 shows an extended power applica-
tion circuit with externally decoupled sensor
supply.
1N4001
A Master Mode application is shown in
DIO-0
DIO-1
DIO-2
DIO-3
Figure 22.
ASIP
ASIN
ASI+
ASI-
ZMM 39
DSR&RESET
P0
P1
P2
P3
CAP
100n
47n
U5R
0V
PS
LED1
LED2
green
10n
Remark: depending on I/O-configuration, DO- and DI-ports are connected and Multiplex-Flag is set
Figure 20: Standard Application circuit with bi-directional Data I/O
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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