ZENTRUM MIKROELEKTRONIK DRESDEN AG
“ASI for you” IC
Datasheet
Package
pin number
Name
LED2
Direction Type
Description
23
OUT
I/O
Open Drain
LED output "Enhanced Diagnosis", to be activated by
LED2_Active bit in the Firmware region of the
E²PROM
24
LED1
Pull-up/Open Drain LED output "AS-i-Diagnosis" /
Addressing channel output
(input function used for IC test purposes only)
25
26
27
28
CAP
U5R
I/O
Analog
Analog
Analog
SUPPLY
Filter control (Electronic Inductor)
OUT
Regulated internal/external 5V supply
Decoupled Actuator/Sensor supply
Power supply input
UOUT OUT
UIN
All open drain outputs are NMOS based. Pull-up properties at input stages are achieved by current sources
referring to U5R.
ASIP
ASIN
IRD
FID
OSC2
OSC1
DO3
DO2
DO1
DO0
GND
P3
UIN
UOUT
U5R
CAP
LED1
LED2
DSR
PST
DI3
DI2
DI1
DI0
P0
P2
P1
Figure 2: ASI4U Package Pin Assignment
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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