Data Sheet

SAP51 / SAP5S
AS-Interface Spec. V3.0 Compliant Universal AS-i IC
Brief Description
Benefits
The SAP5S/SAP51 is a next-generation CMOS integrated circuit for AS-Interface networks. This lowlevel field bus AS-i (Actuator Sensor Interface) was
designed for easy, safe, and cost-effective interconnection of sensors, actuators, and switches. It
transports both power and data over the same twowire unshielded cable.

Cost savings due to integrated Safety Code
Generator (SAP5S only)

Special burst protection circuitry

Excellent electromagnetic compatibility
The SAP5S/SAP51 is used as part of a master or
slave node and functions as an interface to the
physical bus. It provides the power supply, physical
data transfer, and communication protocol handling.
The SAP5S/SAP51 is fully compliant with the
AS-Interface Complete Specification V3.0. It is function and pin compatible with the SAP4.1 (AS2702).
The SAP5S/SAP51 can be programmed by the user
to operate in Standard Slave Mode, Safety Mode
(SAP5S only), or Master Mode. The special AS-i
Safety Mode (SAP5S only) assures short response
times regarding security-related events.
All configuration data are stored in an internal
EEPROM that can be easily programmed by a stationary or handheld programming device.
The SAP5S/SAP51 is optimized for harsh environments by its special burst protection circuitry and
excellent electromagnetic compatibility.
Physical Characteristics

Operational temperature range: -25 to +85°C

SOP16 and SOP20 package
Available Support

ZMDI AS-Interface Programmer Kit USB

ZMDI SAP5 Evaluation Board V2.0
Related Products

ASI4U Universal AS-Interface IC
SAP5S/SAP51 Basic Application Circuits
Standard Application
UOUT
+24V
PFAULT
OSC1
DSTBn
PSTBn
OSC2
LTGP
ASI+
D[3:0]
Features
Compliant with the AS-Interface Complete
Specification V3.0

Universal application: slaves, masters, repeaters

Integrated safety code generator (SAP5S only)

On-chip electronic inductor: 55mA current
drive capability
Two LED outputs to support all AS-Interface
Complete Specification V3.0 status indication
modes


P[3:0]
CDC


LTPN
ASI-
User programmable to operation in Standard
Slave Mode, Safety Mode, or Master Mode
Supports 5.33 and 16 MHz crystals by
automatic frequency detection

Data pre-processing functions

Clock and communication watchdogs
for high system security
U5R
SAP51/
SAP5S
LED1
LED2
+0V
Safety Mode Slave Application
UOUT
U5R
OSC1
OSC2
ASI+
D2
LTGP
D3
ASI-
LTPN
SAP5S
CDC
D0
D1
For more information, contact ZMDI via [email protected]
© 2015 Zentrum Mikroelektronik Dresden AG — Rev. 3.20 — June 17, 2015 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 subject to changes without notice.
SAP51 / SAP5S
AS-Interface Spec. V3.0 Compliant Universal AS-i IC
SAP5S / SAP51
Block Diagram
U5R
CDC
Power
Supply
Thermal
Protection
Electronic
Inductor
UOUT
Power
Fail Detector
LTGP
LTGN
Param
APF
Offset
Data
pos
Receiver
Main
State
Machine
neg
Offset
UART
Typical Applications
Transmitter
 AS-i Master Modules
(SAP5S only)
I/O
D[3:0]
LED
Output
DSTB
I/O
DSTBn
PSTB
Output
PSTBn
PFAULT
Input
PFAULT
LED1, LED2
clk
 AS-i Safety Modules
P[3:0]
clk
 AS-i Slave Modules
MAN
I/O
OSC1
OSC2
Oscillator
PLL
EEPROM
clk
Ordering Information
Ordering Code
SAP5SD-A-G1-T
Operating Temperature
Package Type
RoHS?
Packaging
-25°C to +85°C
SOP20 / 300 mil
Yes
Tubes
(37 parts/tube)
-25°C to +85°C
SOP20 / 300 mil
Yes
Tape and Reel
(1000 parts/reel)
-25°C to +85°C
SOP16 / 300 mil
Yes
Tubes
(46 parts/tube)
-25°C to +85°C
SOP16 / 300 mil
Yes
Tape and Reel
(1000 parts/reel)
SAP51D-A-G1-T
SAP5SD-A-G1-R
SAP51D-A-G1-R
SAP5SD-B-G1-T
SAP51D-B-G1-T
SAP5SD-B-G1-R
SAP51D-B-G1-R
Sales and Further Information
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[email protected]
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DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
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© 2015 Zentrum Mikroelektronik Dresden AG — Rev. 3.20 — June 17, 2015 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.