ETAS XETK-S4.2 User manual

XETK-S4.2
Emulator Probe for Infineon AUDO MAX MCU Family
User’s Guide

2
Copyright
The data in this document may not be altered or amended without special noti-
fication from ETAS GmbH. ETAS GmbH undertakes no further obligation in rela-
tion to this document. The software described in it can only be used if the
customer is in possession of a general license agreement or single license. Using
and copying is only allowed in concurrence with the specifications stipulated in
the contract.
Under no circumstances may any part of this document be copied, reproduced,
transmitted, stored in a retrieval system or translated into another language
without the express written permission of ETAS GmbH.
© Copyright 2019 ETAS GmbH, Stuttgart
The names and designations used in this document are trademarks or brands
belonging to the respective owners.
XETK-S4.2 - User’s Guide R08 EN - 01.2019

XETK-S4.2 - User’s Guide 3
Contents
ETAS Contents
1About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1 Identification of Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 Presentation of Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Scope of Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2Basic Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 General Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Requirements for Users and Duties for Operators . . . . . . . . . . . . . . . . . . . . . 8
2.3 Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Identifications on the Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5 Taking the Product Back and Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.6 CE marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.7 RoHS Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.7.1 European Union . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.7.2 China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.8 Declarable Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.9 Use of Open Source Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.1 Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.2 ECU Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.3 XETK Ethernet Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.5 ECU Voltage Supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.6 Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

XETK-S4.2 - User’s Guide 4
ETAS Contents
4.7 Data Emulation and Data Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.8 JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.9 Trigger Modes: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.10 Pinless Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.10.1 Startup Handshake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.10.2 XETK Trigger Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.11 Timer Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.12 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.1 Connection to the ECU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2.1 XETK Ethernet Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2.2 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6XETK Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.2 Configuration Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.1 System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.1.1 ETAS Compatible Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.1.2 PC with one Ethernet interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.1.3 Software Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.2 Microcontroller Memory and XETK-S4.2 Microcontroller Support . . . . . . . . 33
7.2.1 Data Emulation Memory and Microcontroller Support . . . . . . . . . . 33
7.2.2 Measurement Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.4 XETK Ethernet Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.5 Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.6 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7.7 Test Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.8 JTAG Timing Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.8.1 JTAG Timing Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.9 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.9.1 ECU Interface Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.9.2 ECU Interface Connector CON6 . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.9.3 Interface and Power Supply Connector CON7 . . . . . . . . . . . . . . . . 42
7.10 Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.10.1 ECU Interface Connector CON6 . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.10.2 Interface and Power Supply Connector CON7 . . . . . . . . . . . . . . . . 44
7.11 Mechanical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8Cables and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.1 ECU Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.1.1 CBAM230.1 Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.1.2 CBAM240.1 Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.2 PC Interface Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8.2.1 CBE200-3 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8.2.2 CBAE200.2 Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

XETK-S4.2 - User’s Guide 5
ETAS Contents
8.3 ETAS Module Interface Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.3.1 CBE230.1 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.3.2 CBAE330.2 Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.4 Power Supply Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.4.1 Cable K70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.4.2 Cable KA50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
8.5 ECU Interface Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
8.5.1 XETK - ECU Adapter ETAI4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
8.5.2 XETK - ECU Adapter ETAI8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
9Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
9.1 XETK-S4.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
9.2 XETK - ECU Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
9.3 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
9.4 Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
9.4.1 ECU Adapter Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
9.4.2 Ethernet Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
9.4.3 Power Supply Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
10 ETAS Contact Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

XETK-S4.2 - User’s Guide 6
ETAS About this Manual
1 About this Manual
This chapter contains information about the following topics:
• „Identification of Safety Notices“ on page 6
• „Presentation of Information“ on page 6
• „Scope of Supply“ on page 7
• „Additional Information“ on page 7
1.1 Identification of Safety Notices
The safety notices contained in this manual are identified with the danger symbol
shown below:
The safety notices shown below are used for this purpose. They provide notes to
extremely important information. Please read this information carefully.
1.2 Presentation of Information
All activities to be performed by the user are presented in a "Use Case" format.
That is, the goal to be accomplished is briefly defined in the heading, and the
respective steps required for reaching this goal are then presented in a list. The
presentation looks as follows:
Goal definition:
any advance information...
•Step1
Any explanation for step 1...
•Step2
Any explanation for step 2...
•Step3
Any explanation for step 3...
Any concluding comments...
DANGER!
indicates an immediate danger with a high risk of death or serious
injury, if not avoided.
WARNING!
indicates a possible danger with moderate risk of death or (serious)
injury, if not avoided.
CAUTION!
identifies a hazard with low risk that could result in minor or medium
physical injuries or property damages if not avoided.

XETK-S4.2 - User’s Guide 7
ETAS About this Manual
Typographical Conventions
The following typographical conventions are used:
Important notes for the user are presented as follows:
1.3 Scope of Supply
Prior to the initial commissioning of the module, please check whether the prod-
uct was delivered with all required components and cables (see chapter "Order-
ing Information").
Additional cables and adapters can be obtained separately from ETAS. A list of
accessories and their order designation is available in this manual and at the
ETAS Home Page.
1.4 Additional Information
The configuration instructions for the product can be found in the corresponding
software documentation.
Bold Labels of the device
Italic Particularly important text passages
Note
Important note for the user.

XETK-S4.2 - User’s Guide 8
ETAS Basic Safety Notices
2 Basic Safety Notices
This chapter contains information about the following topics:
• "General Safety Information" on page 8
• "Requirements for Users and Duties for Operators" on page 8
• "Intended Use" on page 8
• "Identifications on the Product" on page 11
• "Taking the Product Back and Recycling" on page 12
• "CE marking" on page 12
• "RoHS Conformity" on page 12
• "Declarable Substances" on page 13
• "Use of Open Source Software" on page 13
2.1 General Safety Information
Please observe the Product Safety Notices ("ETAS Safety Notice") and the follow-
ing safety notices to avoid health issues or damage to the device.
ETAS GmbH does not assume any liability for damages resulting from improper
handling, unintended use or non-observance of the safety precautions.
2.2 Requirements for Users and Duties for Operators
The product may be assembled, operated and maintained only if you have the
necessary qualification and experience for this product. Incorrect operation or
operation by users without sufficient qualification may lead to injuries or death
or property damages.
General Safety at Work
The existing regulations for safety at work and accident prevention must be fol-
lowed. All applicable regulations and statutes regarding operation must be
strictly followed when using this product.
2.3 Intended Use
An ETK is an electronic component that is installed in a vehicle control unit (ECU)
to read data from the ECU or write data to the ECU.
Application Area of the Product
This product was developed and approved for automotive applications. For use
in other application areas, please contact your ETAS contact partner.
Requirements for Operation
The following requirements are necessary for safe operation of the product:
Note
Carefully read the documentation (Product Safety Advice and this User's Guide)
that belongs to the product prior to the startup.

XETK-S4.2 - User’s Guide 9
ETAS Basic Safety Notices
• Use the product only according to the specifications in the corresponding
User's Guide. With any deviating operation, the product safety is no lon-
ger ensured.
• Observe the regulations applicable at the operating location concerning
electrical safety as well as the laws and regulations concerning work
safety!
• Do not apply any voltages to the connections of the product that do not
correspond to the specifications of the respective connection.
• Connect only current circuits with safety extra-low voltage in accordance
with EN 61140 (degree of protection III) to the connections of the prod-
uct.
• The power supply for the product must be safely disconnected from the
supply voltage. For example, use a car battery or a suitable lab power sup-
ply.
• Use only lab power supplies with double protection to the supply system.
• Ensure that the connections of the power supply are easily accessible.
• The module does not have an operating voltage switch.
– Switch on the product by connecting the power supply cable with the
power supply or by switching on the power supply.
– Switch off the product by disconnecting it from the power supply or by
switching off the power supply.
Potential Equalization
Requirements for the technical State of the Product
The product is designed in accordance with state-of-the-art technology and rec-
ognized safety rules. The product may be operated only in a technically flawless
condition and according to the intended purpose and with regard to safety and
DANGER!
Connect the power cord only with a vehicle battery or with a
lab power supply! A connection to power outlets is prohibited.

- Route the power cord in such a way that it is protected against abra-
sion, damages, deformation and kinking. Do not place any objects on
the power cord.

- Never apply force to insert a plug into a socket. Ensure that there is
no contamination in and on the connection, that the plug fits the
socket, and that you correctly aligned the plugs with the connection.

- Do not use the product in a wet or damp environment. 
- Do not use the product in potentially explosive atmospheres. 
- Keep the surfaces of the product clean and dry.
CAUTION!
Danger from inadvertent current flow! 
Depending on the design, the shield of the Ethernet cables can be
connected with the housing of the module. Install the products only
on components with the same electrical potential or isolate the prod-
ucts from the components.

XETK-S4.2 - User’s Guide 10
ETAS Basic Safety Notices
dangers as stated in the respective product documentation. If the product is not
used according to its intended purpose, the protection of the product may be
impaired.
Maintenance and Cleaning
The product is maintenance-free. Use a lightly moistened, soft, lint-free cloth for
cleaning the product. Ensure that no moisture can enter. Never spray cleaning
agents directly onto the product. Do not user any sprays, solvents or abrasive
cleaners which could damage the product.
Transport and Installation
Cabling
Use exclusively ETAS cables at the connections of the product! Adhere to the
maximum permissible cable lengths! Observe the assignment of the cables to the
connectors! Detailed information about cabling is located in the ETK User's
Guides.
CAUTION!
The ETK can be damaged or destroyed! 
Some components of the ETK board may be damaged or destroyed
by electrostatic discharges. Please keep the ETK in its storage package
until it is installed.

The board should only be taken from its package, configured, and
installed at a work place that is protected against static discharge.
CAUTION!
During installation and removal, ECU and ETK must be in a de-eener-
gized state!
CAUTION!
Risk of short circuiting the internal signals of the ETK! 
When you mount the ETK to the ECU, you must ensure that the
screws and washers used will not penetrate the ETK printed circuit
board.
CAUTION!
Differences in case ground potentials can cause high currents
to flow through the shields of the cables that connect various
system modules.

Ensure that the module mounting surfaces are at the same electrical
potential or insulate the modules from their mounting surfaces.

XETK-S4.2 - User’s Guide 11
ETAS Basic Safety Notices
2.4 Identifications on the Product
Fig. 2-1 Adhesive Label (Example: Label for XETK-S14.0)
The following symbols are used for identifications of the product:
Symbol Description
The User's Guide must be read prior to the startup of the
product!
Symbol for WEEE, see chapter 2.5 on page 12
Symbol for CE conformity, see chapter 2.6 on page 12
Symbol for China RoHS, see chapter 2.7.2 on page 12
Symbol for China RoHS, see chapter 2.7.2 on page 12
Symbol for electrostatic sensitive components
XETK-S14.0A Product designation (example)
F 00K 110 722 Order number of the product (example)
SN: yyxxxxx Serial number (7-digit)
XXXX/YY Product version
ZZZZ Year of manufacture
ETAS GmbH, 
PO Box 300220,
70442 Stuttgart,
Germany
Manufacturer's address
Note
For symbols and product information one or several adhesive labels can be
used.

XETK-S4.2 - User’s Guide 12
ETAS Basic Safety Notices
2.5 Taking the Product Back and Recycling
The European Union has passed a directive called Waste Electrical and Electronic
Equipment, or WEEE for short, to ensure that systems are setup throughout the
EU for the collection, treating and recycling of electronic waste.
This ensures that the devices are recycled in a resource-saving way representing
no danger to health or the environment.
Fig. 2-2 WEEE-Symbol
The WEEE symbol (see Fig. 2-2 on page 12) on the product or its packaging
shows that the product must not be disposed of as residual garbage.
The user is obliged to collect the old devices separately and return them to the
WEEE take-back system for recycling. The WEEE directive concerns all ETAS
devices but not external cables or batteries.
For more information on the ETAS GmbH Recycling software, contact the ETAS
sales and service locations.
2.6 CE marking
With the CE mark attached to the product or its packaging, ETAS confirms that
the product corresponds to the applicable product-specific European Directives.
The CE Declaration of Conformity for the product is available upon request.
2.7 RoHS Conformity
2.7.1 European Union
The EU Directive 2011/65/EU limits the use of certain dangerous materials for
electrical and electronic devices (RoHS conformity).
This product does not contain any of the restricted substances specified in the EU
Directive 2011/65/EU or exceeds the maximum concentrations stipulated
therein. For individual electronic components used in our products, there are cur-
rently no equivalent alternative substances, which is why we make use of the
exceptions 7A and 7C-I in Annex III of this Directive.
ETAS confirms that the product corresponds to this directive which is applicable
in the European Union.
2.7.2 China
ETAS confirms that the product meets the product-specific applicable guidelines
of the China RoHS (Management Methods for Controlling Pollution Caused by
Electronic Information Products Regulation) applicable in China with the China
RoHS marking affixed to the product or its packaging.

XETK-S4.2 - User’s Guide 13
ETAS Basic Safety Notices
2.8 Declarable Substances
European Union
Some products from ETAS GmbH (e.g. modules, boards, cables) use components
with substances that are subject to declaration in accordance with the REACH
regulation (EU) no.1907/2006. 
Detailed information is located in the ETAS download center in the customer
information "REACH Declaration" (www.etas.com/Reach). This information is
continuously being updated.
2.9 Use of Open Source Software
The product uses Open Source Software (OSS). This software is installed in the
product at the time of delivery and does not have to be installed or updated by
the user. Reference shall be made to the use of the software in order to fulfill
OSS licensing terms. Additional information is available in the document "OSS
Attributions List" at the ETAS website www.etas.com.

XETK-S4.2 - User’s Guide 14
ETAS Introduction
3 Introduction
This section contains information about the basic features and applications of
the XETK-S4.2 Interface Board (ETK = Emulator Test Probe), hints to system
requirements for operating the XETK-S4.2, and other details.
3.1 Applications
The XETK-S4.2 is an emulator probe for the Infineon AUDO-MAX microcontroller
(Infineon TriCore TC17xx).
It is a typical serial XETK with an Infineon specific JTAG interface.
Fig. 3-1 XETK-S4.2
The XETK-S4.2 supports the standard full duplex 100Base-T Ethernet interface
and can be connected directly or via ES51x/ES59x/ES600 modules to the PC. No
additional ETAS modules are required for the access to the ECU. The XETK-S4.2
can be used for rapid prototyping applications (bypass) as well as for measure-
ment and calibration applications.
3.2 Features
• Measurement Interface:
– For use with serial processor interface JTAG (Infineon)
– JTAG interface clock speed: 40 MHz
– 3.3 V ECU interface voltage level
– Supports coldstart measurement mechanism
• Pinless startup protocol for XETK recognition
• Microcontroller capability of internal Flash emulation can be used
• Permanent storage of configuration in EEPROM
Note
For supported TC17xx microcontrollers, refer to chapter 7.1.3 on page 32.
XETK-S4.2
ECU connectors 12 pin ERNI plus 7 pin JST
Power supply for ED devices (VDDSBRAM) min. 1.5 V or min. 1.3 V
SBRAM sense Yes, no extra pin
Pinless triggering Yes
Timer triggering Yes

XETK-S4.2 - User’s Guide 15
ETAS Introduction
• XETK powers Emulation Device RAM (for calibration purpose)
• Fast Ethernet Interface:
– Direct Connection to PC
– Open XCP on Ethernet Protocol
– Supports a variety of standard applications
• Firmware update (programming of the logic device) through software;
removal of XETK or ECU is not necessary
• Mounting possibilities inside or on top of ECU
• Temperature range suitable for automotive application
For more technical data on the XETK-S4.2 consult the chapter "Technical Data"
on page 32.

XETK-S4.2 - User’s Guide 16
ETAS Hardware Description
4 Hardware Description
In this chapter, the function blocks of the XETK-S4.2 are explained in detail.
4.1 Architecture
Fig. 4-1 shows the block diagram of the XETK-S4.2.
Fig. 4-1 XETK-S4.2 Architecture
While the microcontroller accesses the program data (not the program code) out
of the data emulation memory provided by the microcontroller (TC17xx), the
content of the data emulation memory can simultaneously be modified by the
calibration and development system through the XETK Ethernet interface. This
process enables adjustments of parameters, characteristic lines and maps
through the calibration and development system. Using an additional measure-
ment data memory area, the ECU microcontroller can provide data to the calibra-
tion and development system by buffering the data (DISTAB13) and triggering
the XETK to read the data via JTAG. The XETK then reads, buffers, processes and
sends this measured data to the PC.
If no additional measurement data memory is available, the XETK-S4.2 can alter-
natively read the data to be measured directly from the microcontroller’s mem-
ory. This process is Triggered Direct Measurement (TDM) with DISTAB13.
The 100 Mbit/s XETK Ethernet interface provides communication with the PC.
The power supply for the XETK-S4.2 is provided by a switch mode power supply,
to minimize power dissipation.

XETK-S4.2 - User’s Guide 17
ETAS Hardware Description
4.2 ECU Interface
The XETK-S4.2 is connected via connectors CON6 and CON7 to the ECU with
two adapter cables (refer to Fig. 4-2 on page 17). The pin definition depends on
the application and the microcontroller type. In general the ECU interface con-
sists of
• 1 ECU voltage line, which is not used for XETK power supply, but only for
detection of the ECU status, therefore the power consumption on this line
is negligible (refer to chapter 4.4 on page 19)
• 1 Reset line which allows the XETK to control the system reset of the ECU
• 1 Reset line which allows the XETK to monitor the system reset of the ECU
• 7 Debug Interface lines for the communication between the XETK-S4.2
and the microcontroller
• 2 ground lines for proper shielding of the ECU interface lines.
Fig. 4-2 Location of the ECU Interfaces
CON6
CON7

XETK-S4.2 - User’s Guide 18
ETAS Hardware Description
4.3 XETK Ethernet Interface
The XETK Ethernet interface shown in Fig. 4-3 can be directly connected to the
PC. No additional ETAS module is required for the access to the ECU.
The interface is a standard full duplex 100Base-TX Ethernet interface using the
XCP protocol. The XETK Ethernet interface is integrated in the ETAS IP world with
automatic IP management and supports the open automotive "Universal Mea-
surement and Calibration" standard "XCP on Ethernet" (TCP/IP, UDP/IP). The
open XCP on Ethernet interface allows for connecting to the
XETK-S4.2 with third
party application softw
are.
Fig. 4-3 Location of the XETK Ethernet Interface connector (CON5)
Note
The XETK Ethernet interface is not compatible with the ETK interfaces in mod-
ules like e.g. ES910, ES590, ES591, ES592, ES593-D, ES595, ES1232-A. The
XETK Ethernet interface is compatible with the ECU interface of the ES910
module and the Ethernet interfaces of the ES51x/ ES592/ ES593-D/ ES595/
ES600 modules.
Note
Please see chapter 7.1.2 on page 32 for additional information regarding PC
requirements for the Ethernet interface.
CON5

XETK-S4.2 - User’s Guide 19
ETAS Hardware Description
4.4 Power Supply
The XETK-S4.2 requires a permanent power supply. It is typically powered
directly from the car battery. The input voltage may vary between 4.3 V and
36 V. In case of higher input voltages to the XETK, additional voltage protection
is required. The XETK-S4.2 will also accept voltage dips down to 3V, for a maxi-
mum duration of 15ms (for additional details of low voltage operation, see ISO
standard 16750)
From the input battery voltage, the XETK-S4.2 creates all necessary voltages
through switching power supplies on the XETK-S4.2. The power supply of the
ECU is not affected by the XETK-S4.2. An automatic switch ensures that the
power supply of the XETK-S4.2 is automatically switched on and off when the
XETK enters and leaves its standby (sleep) mode.
The XETK-S4.2 can be supplied with power through the seven pin connector,
CON7. The through-hole solder pad CON4 can be used additionally to connect a
power supply UBatt2.
The power supply on CON4 must use the GND of CON7 pin 3.
Fig. 4-4 Location of the XETK-S4.2 Power Supply Connectors
CON7
CON4

XETK-S4.2 - User’s Guide 20
ETAS Hardware Description
4.5 ECU Voltage Supervisor
The ECU voltage (VDDP) is monitored by the XETK to recognize whether the ECU
is switched on or off.
Additionally the ECU RAM standby voltage (VDDSBRAM) is monitored to deter-
mine if the standby RAM content is still valid. These two signals are only used for
monitoring therefore the load current is negligible.
The XETK-S4.2 supplies the ECU EDRAM using the pin VDDSBRAM and monitors
this voltage using a sense pin on board the XETK. The microcontroller’s standby
power supply pin must be connected to the XETK pin VDDSBRAM.
Note
The XETK-S4.2 only allows switching between reference page and working
page if there is a valid voltage at the sense pin and the working page has been
initialized by the calibration and development system.