Bosch MQB 37W BR22 Manuel utilisateur

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Manuel utilisateur
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Szentannai Zsolt
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H-1103 Budapest
Gyömrői út 104.
E-Mail:
zsolt.szentannai@hu.bosch.com
Tel.: +36 1 879 7081
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Marketing Name
MQB37W
Equipment Product Code
BR22
Customer
VW AG.
Number offer drawing
F005VS0400
Manifacturer
Robert Bosch GmbH
Daimlerstraße 6.
71229 Leonberg
Germany
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Functional Description of radio frequency transceiver for
MQB BCM
Product: BCM (Body Computer Module)
Brand Name: Bosch
Model Name: BR22
Hardware version: HW35
1 General Description
The radio frequency transceiver is part of a body computer ECU. The ECU in-
corporates several HW-inputs and HW-outputs, which monitor and control
body computer functionalities in a car (e.g. light control and central door lock-
ing).
The ECU consists of a plastic housing, PCB, electronic components and con-
nector pins.
The radio frequency transceiver functionality will be explained in more detail in
the below documented sections.
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2 HW Interface
The radio frequency transceiver is supplied via the specified connector pins.
The antenna of the radio frequency transceiver is a PCB-edge antenna, which
is incorporated in the PCB of the ECU.
2.1 Connector Position on housing
2.2 Supply and GND pins:
Supply (+) : Pin-No# A66, A73, C1, C73
GND (-) : Pin-No# A63, C63
LED+ Pin is connected to Pin A59.
2.3 Normal Operating conditions:
Supply Voltage : 9V to 16V, typ. 12V
Environment Temperature : -40°C to +80°C
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3 System Block Diagramm MQB37W BCM
Below drawn block diagram of the MQB BCM shows the main function blocks
of the ECU.
Microcontroller
Voltage
Regulator
LIN-Bus
CAN-Bus
Watchdog
Radio Frequency
Transceiver
(Atmel ATA5833)
Outputs
Digital Inputs
Analog Inputs
PCB-
Antenna
In section 0, the design of the radio frequency transceiver is outlined.
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4 Block Diagram of inbuilt Radio Frequency Transceiver
The radio frequency transceiver has the following key data:
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Functional description
The radio frequency transceiver is part of a remote keyless entry system of a
vehicle central door locking system.
This vehicle central door locking system consist out of
Remote control key with UHF transmitter (NOT part of the MQB BCM)
Radio frequency transceiver with PCB-Antenna (part of the MQB
BCM)
Door ECU, which can drive the car door locks to lock or unlock the car
(NOT part of the MQB BCM)
Door locks for the central door locking functionality (NOT part of the
MQB BCM)
The transceiver has a self-polling mode and is permanently scanning for valid
key data, with matching characteristics.
(Note: This data are typically received, when a valid remote control key is in
range and one of its push-buttons is pressed.)
When the data are matching the characteristics, the transceiver will hand over
this data to the micro controller of the MQB BCM.
With the help of this micro controller, it is validated, whether this data have
been transmitted from the authorized remote control key. When the validation
was successful, the MQB BCM will send this information via a CAN-network to
the door ECU.
This door ECU will drive the connected door lock according to the wish of the
operator, who pressed the push button of the remote control key. Hence the
doors will be locked or unlocked.
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The MQB BCM needs to be programmed by the OEM, after installing the ECU
into the car. Once programmed, the transceiver is operable directly after ap-
plying power to the connector pins.
5 Regulatory notice
for FCC
§15.19:
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference
that may cause undesired operation.
for USA
§15.21:
NOTICE:
Changes or modifications made to this equipment not expressly approved by
Robert Bosch GmbH may void the FCC authorization to operate this equip-
ment.
for Canada
RSS-GEN, 8.4:
This device contains licence-exempt transmitter(s)/receiver(s) that comply
with Innovation, Science and Economic Development Canada’s licence-ex-
empt RSS(s). Operation is subject to the following two conditions:
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1. This device may not cause interference.
2. This device must accept any interference, including interference that
may cause undesired operation of the device.
CNR-GEN, 8.4:
L’émetteur/récepteur exempt de licence contenu dans le présent appareil est
conforme aux CNR d’Innovation, Sciences et Développement économique
Canada applicables aux appareils radio exempts de licence. L’exploitation est
autorisée aux deux conditions suivantes :
1. L’appareil ne doit pas produire de brouillage;
2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d’en compromettre le fonctionnement.
6 Product pictures
Top side:
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Bottom side:
7 Installation position in vehicle
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8 BCM with mounting bracket
Szentannai Zsolt
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Bosch MQB 37W BR22 Manuel utilisateur

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