Marquardt DC10 Keyless Car Entry Controller User Manual

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Document ID	1250851
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Document Description	User Manual
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Date Submitted	2010-03-11 00:00:00
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Document Title	Microsoft Word - Annex No 5 _Functional description, User Manual__B
Document Creator	Microsoft Word - Annex No 5 _Functional description, User Manual__B
Document Author:	Gerda Bratosin

Annex No.5
Page 1 of 11
Functional description
Technical Description
Remote control vehicle key
BR166
PN: B3333D (Basis)
PN: K3333D (Keyless Go)
.
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.
Vehicle Key BR166 – technical Description
1.1
Operation of BASIC Key
1.1.1 Access permission with BASIC Key
The locking and drive permission system BR166 (3333.4/5) incorporates a function which enables the
locking and unlocking of the doors. There are two separate buttons each one for lock and unlock the vehicle.
All vehicles with a boot lid are equipped with a third button for unlocking the boot lid.
The key is provided with a fourth button to activate the “PANIC” function for vehicles intended for the US
market.
The function is activated by pushing a button, the method of button pushing determines the function
activated on the vehicle, e.g. prolonged pressure on the button initiates an IR comfort function.
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If messages are discharged from the key, the access permission information is sent via radio waves (HF)
and redundantly via infrared (IR) from the key to the vehicle. The so-called comfort signals are special
functions which require visual contact with the vehicle. Upon pressing the button for an extended period,
these signals are sent via IR signal only after the standard access permission message.
HF communication via 3-channel operation:
The access permission message is sent sequentially on 3 radio channels adjacent to one another within the
permissible ISM band. The radio receiver installed within the vehicle is able to receive the message
discharged from the key on all 3 channels, evaluate it and send an appropriate control message to the
central locking system.
1.1.2 Drive permission with BASIC Key
After the key is pushed into the EZS (electronic ignition switch) a cryptographically, bidirectional
communication by infrared light is initiated. As there is a successful authorization of the key the engine of the
vehicle can be started.
1.2
Operation of KEYLESS GO Key
The KEYLESS Go key model is equipped with all of the BASIC model functions.
Additional the KEYLESS GO model only facilitates full utilisation of the drive permission system function on
the vehicle without active operation of the key. This means that one can lock and unlock the vehicle (access
permission) without operating the key and activate and deactivate the immobiliser (drive permission) without
placing the key in the ignition switch. It is only necessary to carry the key in order to be identified as an
authorised vehicle user.
form 659.02
In addition to the basic variant, the keyless go key is expanded to include an LF receiver component,
comprising of inductive antennae which create the three spatial directions x, y and z, and an associated LF
receiver ASIC. Additionally, the keyless go variant of the key is equipped with a special HF ASIC, which
facilitates bidirectional HF communication.
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page2 von 10
.
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.
Vehicle Key BR166 – technical Description
1.2.1 Access permission with keyless entry
The keyless access permission (keyless entry) is initiated by the vehicle user activating the vehicle door
handle. This causes the vehicle to send an inductive wake up message. On receiving this, the key starts in
active mode.
The vehicle now sends further unmodulated, inductive fields which enable the key to ascertain its position in
relation to the vehicle on the basis of field strength measurements.
Bidirectional HF communication follows, in which cryptographically encrypted authentication data is
transferred between the key and the vehicle.
If the key is outside the vehicle, the vehicle is locked or unlocked following transferral of the correct data.
1.2.2 Drive permission with keyless go
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
In principle, when activating the start/stop button for a keyless engine start, the same process runs as that
described for access permission of the BASIC model. The difference here is that the key must be located
inside the vehicle, but needs not to push into the EZS (electronic ignition switch).
The presence of the key inside the vehicle is verified on every 5km driven, and on driving away. The
process that runs here is similar to the engine start process, although shorter.
The cryptographically encrypted authentication between key and vehicle is accomplished by a bidirectional
RF communication.
1.2.3 LF / HF transferral
The inductive wake-up message is sent in a phase-modulated (PSK) format through the vehicle on the
frequency 21.845 kHz with a data rate of 5.461 kBd.
With respect to bidirectional HF communications, these are processed in a frequency-modulated (FSK)
format, in the ISM band on 433.92 MHz in Europe and 315 MHz in the USA. The rate of data transferral is 10
kBd.
1.2.4 Operating frequencies of HF transferral
1.2.5 1-channel
form 659.02
In 1-channel operation, the mid-frequency of the channel is:
ECE:
433.92 MHz
USA, Japan:
315.00 MHz
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page3 von 10
form 659.02
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
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.
Vehicle Key BR166 – technical Description
1.2.5.1
3-channel
The following table shows the mid-frequency of the individual channels for each frequency
band.
Channel name
Name
Abbreviated
ID
Channel 1
CH1
Channel 2
CH2
Channel 3
CH3
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
Channel mid-frequency
USA:
ECE:
USA:
ECE:
USA:
ECE:
314.00 MHz
433.47 MHz
314.90 MHz
434.37 MHz
314.45 MHz
433.92 MHz
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page4 von 10
.
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.
Vehicle Key BR166 – technical Description
1.3
HF protocol
1.3.1 3-channel operation
CH 3
CH 2
CH 1
X = beliebig
(abhängig vom Dateninhalt)
"0"
"0"
"0"
"0"
"0"
"1"
"X"
"X"
"X"
"X"
"1"
"0"
"0"
"0"
"1"
"1"
"0"
"0"
"0"
"1"
"1"
obere
Sendefrequenz
untere
Sendefrequenz
Daten
Stopbit
Kanalumschaltung Träger einschalten
i=a+b+c+d+e+f
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Stopbit
d+e+f
Kanalumschaltung Träger einschalten
d+e+f+g
a+d+e+f+g
Vorimpulse
Startbit
a+b+c+
d+e+f+g
0 ms
Daten
a+b+d
+e+f+g
-b-c
Startbit
d+e
- -c
-a-b-c
Vorimpulse
p23
form 659.02
Parameter
Beschreibung
Zeit
zul.
Toleranz
Träger einschalten auf unterer Sendefrequenz
0,150ms
±50µs
Vorimpulse (550 Stück)
55,000ms
±550µs
Startbit
0,100ms
±1µs
Daten (120Bit =14Byte + 1Byte Checksumme)
12,000ms
±120µs
Stopbit
0,100ms
±1µs
Nachlauf
0,150ms
±50µs
Kanalumschaltung (Träger ausgeschaltet)
0,600ms
±50µs
Periodendauer eines Bit
0,100ms
±1µs
=a+b+c+d+e+f
67,500ms
±772µs
p12
p23
p13
=d+e+f+g+a+b+c+d+e
=f+g+a+b+c+d+e
=p12+p23
80,200ms
68,100ms
148,300ms
±943µs
±822µs
±1.765µs
Funkprotokoll gesamt (=2*g+3*i)
203,700ms
±2.416µs
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
p13
First Draft
Stopbit
p12
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
Nachlauf
Startbit
Nachlauf
Vorimpulse
Nachlauf
Träger einschalten
Träger
aus
1.02
Page5 von 10
form 659.02
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
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.
Vehicle Key BR166 – technical Description
1.3.2 1-channel operation
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page6 von 10
.
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.
Vehicle Key BR166 – technical Description
1.4
Technical data
1.4.1 General HF specification

Operating frequencies, tolerance
Single channel operation:
f op1 = 315MHz
(USA, Japan)
f op2 = 433.92MHz
(ECE)
3-channel operation:
f op1 = 314.00MHz / 314.45MHz / 314.9MHz
(USA, Japan)
f op2 = 433.47MHz / 433.92MHz / 434.37MHz (ECE)
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
Temperature shift –20 to +65 C:
Ageing:
Remaining deviation after adjustment:
Voltage dependency and drift XTO:
Total tolerances remaining after
adjustment of the initial frequency
+/-35ppm
+/-10ppm
+/-2ppm
+/-3ppm
+/-50ppm
1.4.2 Specification of the HF transmitter

Transmission power EIRP:
ECE*:
USA/Canada **
Japan(TELEC-T244)***:
-14,4dBm….-22dBm
-19.6dBm….-24dBm
-19.6dBm….-24dBm
* maximum transmission power limit Taiwan : 80.83dbµV/m at a distance of 3m.
With isotopic propagation, the maximum transmission power is –14.4dBm.
** maximum transmission power limit according to FCC section15/Canada RSS-210:
3.75…12.5mV/m in the 260-470MHz range at a distance of 3m
At 315MHz the figure is 6.042mV/m, which relates to a transmission power of –19.63dBm with
isotopic propagation.
form 659.02
*** Use of the USA variant
taken from the new TELEC-T244 Japanese standard
Limit max. 25µW with transmission frequency of up to 315.25MHz, this relates to -16dBm
Use of the USA variant
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page7 von 10
.
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.
Vehicle Key BR166 – technical Description
 Settling time for the transmission frequency (PLL)
tStartUp
tlock

= 500µs
 200µs with Δf = 600kHz with ferror  10kHz
Modulation, baud rate:
Single channel operation:
3-channel operation:
10 kBaud Manchester
 1.0 %
Tolerances:

10 kBaud Manchester keyless go
Modulation type, range:
2-FSK: +/-15kHz to +/-17kHz basic key
2-FSK: +/-15kHz to +/-21kHz keyless go key
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.

Emitted interference
o Harmonics & spurious
:
:
315MHz:
-49dBm @  960MHz (*
-41dBm @ > 960MHz (**
(* This reflects the limit of 200µV/m as per FCC section 15, with isotopic propagation
(**This reflects the limit of 500µV/m as per FCC section 15, with isotopic propagation
433.92MHz:
:
-36dBm @ 1 GHz

-30dBm @ > 1GHz

-54dBm @ UKW & TV bands (EN300220)
47 -74MHz
87.5 –118MHz
174 –240MHz
470 – 862MHz
all frequency bands:

Modulation quality:
Overshoot: Max. 100% of the nominal value
Max. duration of the overshoot:
 6µs at 10 kBaud
Build / fall times: 0 % to 100% nominal value:
 6µs at 10 kBaud
The shift times are determined with a measuring receiver, the reception bandwidth of which lies as close as
possible to the receiver in the application:
form 659.02
Remote Keyless Entry:
Keyless go operation:
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
BWRx= 600kHz
BWRx= 200kHz
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page8 von 10
Vehicle Key BR166 – technical Description
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.
1.4.3 Specification of the HF Receiver (Keyless Go only)
Receiversensitivity with loop antenna Psens :
≤ -75dBm
Receiver bandwidth:
typ. 220kHz
LO- spurious < 1GHz:
LO- spurious > 1GHz:
<-57dBm
<-47dBm
1.4.4 Specification of the 3D-LF Receiver (Keyless Go only)
3 parallel X-/Y-/-Z-axis straight foreward LF-receiver with 3D inductive antenna
21,845 kHz
5,461kBaud
form 659.02
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
RX-frequency:
Rx-data rate:
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page9 von 10
form 659.02
Weitergabe sowie Vervielfältigung dieser Unterlage, Verwertung und Mitteilung ihres Inhalts nicht gestattet, soweit
nicht ausdrücklich zugestanden. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.
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.
Vehicle Key BR166 – technical Description
History
V1.0
V 1.01
MARQUARDT GmbH
Schloßstraße 16
D 78 604 Rietheim – Weilheim
23.10.2009
09.11.2009
First draft
1.41/1.42 EEPROM at block diagram
First Draft
23.10.2009
Version
Department
APDA1-RI
File
Editor
U. Schwalm
Doc.-No.
Date
25.02.2010
Page
1.02
Page10 von 10

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Page Count                      : 11
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Creator                         : Microsoft Word - Annex No 5 _Functional description, User Manual__B
Producer                        : ScanSoft PDF Create! 4
Create Date                     : 2010:02:25 13:37:50+01:00
Modify Date                     : 2010:02:25 13:39:31+01:00
Author                          : Gerda Bratosin
Title                           : Microsoft Word - Annex No 5 _Functional description, User Manual__B

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