Continental Automotive Systems SMK20 Smart Key ECU User Manual

Continental Automotive Systems Corporation Smart Key ECU Users Manual

Users Manual

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Identification No. :
Document : User Manual for Smart Key ECU
Model : SMK 2.0
Project Code :
Version: 0.1
Date: Jul. 17 '09
Engineering change order-No.:
Design Freeze No.:
Number of pages: 7
Filename: User Manual for SMK2.0_FCC 용 편집
Editor : KK Ko Document name Project code
ECO / DF No.
Version: 0.5 Aug. 10. 2006
File: User Manual for SMK2.0_FCC 용 편집
Identification No. : Document No.
Page 2 / 7
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Proprietary data, company confidential. All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
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Weitergabe sowie Vervielfältigung dieser Unterlage, Ver
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nicht ausdrücklich zugestanden. Zuwiderhandlungen ver
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Contents list Page
1. System configulation 3
1.1 scope of SMART KEY SYSTEM 3
1.2 short description of the SYSTEM 3
1.2.1 General Definition of SMART KEY 3
1.2.2 Wireless Communication 3
1.2.3 concept Description 4
1.2.4 System Architecture 4
1.2.5 Main Functions 5
1.3 System Overview 6
Editor : KK Ko Document name Project code
ECO / DF No.
Version: 0.5 Aug. 10. 2006
File: User Manual for SMK2.0_FCC 용 편집
Identification No. : Document No.
Page 3 / 7
.
Proprietary data, company confidential. All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Ver
-
wertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen ver
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pflichten zu Schadenersatz. Alle Rechte vorbehalten, insbe-
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1. System configulation
1.1 scope of SMART KEY SYSTEM
The System offers the following features:
• passive access for two doors, driver side and passenger side as well as trunk/tailgate
• passive start after interior detection of the SMART KEY FOB (without interior trunk and
hat shelf detection)
• LF-RF communication (based on Continental’s SMART KEY system)
• passive access/locking of the two front doors via a toggle push button in the door
handles
• passive access trunk/tailgate via the trunk lid switch at the trunk
• max. 2 SMART KEY FOBs can be handled by the system
• immobilizer backup solution integrated into Fob-Holder.
• communication to the engine management system via a single line interface
• communication to the ESCL via a single line interface
• block of the steering column by the ESCL device
1.2 short description of the SYSTEM
1.2.1 General Definition of SMART KEY
The SMART KEY system is a system that allows the user to access and operate a
vehicle in a very convenient way. To access the vehicle no traditional key or remote
control unit is needed.
The user carries a SMART KEY FOB which itself does not require any conscious
actions by the user (e.g. operate a button). The SMART KEY system is triggered by
pressing a push button in the door handle.
After being triggered the vehicle sends out a request in a limited range. If the
SMART KEY FOB receives this request, it automatically sends a response to the
vehicle. Then the system decides whether to perform a particular action (unlocking,
locking…) or remain inactive.
In a similar manner the vehicle’s Electrical Steering Colume Lock (ESCL) is released.
Again, a communication between the vehicle and the SMART KEY FOB is needed
before any actions will be performed.
1.2.2 Wireless Communication
Electromagnetic waves are used to exchange information between the vehicle and the
SMART KEY FOB. Both, vehicle and SMART KEY FOB are equipped with a transmitter,
a receiver and several antennas.
Editor : KK Ko Document name Project code
ECO / DF No.
Version: 0.5 Aug. 10. 2006
File: User Manual for SMK2.0_FCC 용 편집
Identification No. : Document No.
Page 4 / 7
.
Proprietary data, company confidential. All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Ver
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1.2.3 concept Description
With this concept it is possible to have a set of interior antennas that covers the vehicle’s
interior and a set of exterior antennas that covers the vehicle’s exterior.
For an unambiguous separation between the vehicle’s interior and exterior it is sufficient
that at least one area is covered exactly by the corresponding operating ranges of the
antennas.
The functions of the SMART KEY system have to be provided in a clearly defined and
limited range. For the up-link from the vehicle to the SMART KEY FOB, a magnetic field
with a frequency of 125 kHz and ASK modulation is used. Inductive antennas in and at
the vehicle radiate the electromagnetic energy.
Technical aspects of 125 kHz – magnetic field:
• virtually no reflections,
• cubical decrease of field strength → allows good range control,
• released frequency band (ISM),
• high penetration,
• low quiescent current demand due to 125 kHz input stage (SMART KEY FOB),
• less sensitive for detuning compared to higher frequency.
For the down-link from the SMART KEY FOB to the vehicle, the standard radio frequency
(RF) is used (similar to the classic remote control functions) with FSK modulation.
1.2.4 System Architecture
The system is designed as an optional system, making it possible to equip vehicles of the
same car-Line with different levels of access control systems.
The system is suitable to be integrated into an existing architecture that provides central
locking functions with standard remote control. This proposal assumes that the following
functions / devices are already present in the vehicle’s architecture.
• Central locking system (latch / motor – drivers etc.)
• Standard body control functions
• Warning buzzer
Editor : KK Ko Document name Project code
ECO / DF No.
Version: 0.5 Aug. 10. 2006
File: User Manual for SMK2.0_FCC 용 편집
Identification No. : Document No.
Page 5 / 7
.
Proprietary data, company confidential. All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Ver
-
wertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen ver
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pflichten zu Schadenersatz. Alle Rechte vorbehalten, insbe-
sondere für den Fall der Patenterteilung oder GM-Eintragung
1.2.5 Main Functions
• The system allows the user to access and exit (unlock and lock) the vehicle without
performing any actions with the SMART KEY FOB.
• The system allows the user to control ESCL lock/unlock and operate relay to provide
power(Off, Accessory, Ignition) to other ECU, as well as to start and stop the vehicle’s
engine without performing any actions with the SMART KEY FOB.
• Additionally, the system offers the user can operate all vehicle functions by inserting
the Fob into the Fob holder or by inserting the mechanical key blade into the door lock.
Figure 1: Offered System Components
FOB Key
ANTENNA-BUMP
SMK
Start Stop Button
FOB Holder
ESCL
DH : 안테나 코일 housing
RF Receiver
Editor : KK Ko Document name Project code
ECO / DF No.
Version: 0.5 Aug. 10. 2006
File: User Manual for SMK2.0_FCC 용 편집
Identification No. : Document No.
Page 6 / 7
.
Proprietary data, company confidential. All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Ver
-
wertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen ver
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pflichten zu Schadenersatz. Alle Rechte vorbehalten, insbe-
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1.3 System Overview
Figure 2: Principle of Communication
Challenge
(LF-Up-link)
Response
(RF-Down-link)
SMART KEY FOB
Passive Access
Detection Range
Passive Access
Detection Range
Editor : KK Ko Document name Project code
ECO / DF No.
Version: 0.5 Aug. 10. 2006
File: User Manual for SMK2.0_FCC 용 편집
Identification No. : Document No.
Page 7 / 7
.
Proprietary data, company confidential. All rights reserved.
Confié à titre de secret d'entreprise. Tous droits réservés.
Comunicado como segredo empresarial. Reservados todos os direitos.
Confidado como secreto industrial. Nos reservamos todos los derechos.
.
Weitergabe sowie Vervielfältigung dieser Unterlage, Ver
-
wertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen ver
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pflichten zu Schadenersatz. Alle Rechte vorbehalten, insbe-
sondere für den Fall der Patenterteilung oder GM-Eintragung
FCC ID: SY5SMK20
IC:8325A-SMK20

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