Date: 23rd Jun 2011
NXP's NFC chip for car key to make it
multi functional
NXP Semiconductors N.V. has made available the single-chip
solution for multifunction car keys. The NCF2970 (KEyLink
Lite) allows car users to use the car key for connecting
external NFC-compliant devices, such as mobile phones, tablet
computers and notebooks.
Drivers will be able to simply wave their car key over
an NFC-compliant mobile device to access essential and useful
car data. Based on NFC standards, and utilizing the 13.56MHz
frequency and cryptography such as Hitag-3 or AES-128, KEyLink
Lite provides secure storage and enables communication of
sensitive data. KEyLink Lite uniquely combines NFC capabilities
and NXP's Remote Keyless Entry (RKE) and Passive Keyless
Entry (PKE) technologies. This allows NFC-compliant mobile
devices to edit and view data stored on a car key and opens
many new use cases.
Smart key applications listed by NXP Semiconductors include:
KEyLink Lite can be deployed in five new driver-friendly
applications:
Car Finder - The car key records the GPS coordinates of
your car's last parking position, which can later be read
by an NFC-compliant mobile phone, which then uses a service
such as Google Maps to download a vicinity map and help
you locate the car.
Route Planner - You can enter your destination while sitting
comfortably in front of a PC at home and transfer the data
into the car key via NFC. Once you are inside the car, your
destination will be automatically uploaded to the in-car
navigation system: No more stressful finger tapping on the
car navigator screen.
Car Status and Service Data Management - Before stepping
out from your home or office, you can find out how much
fuel remains in your car for your next journey - by simply
waving your car key over your NFC-compliant mobile phone.
And, you no longer need to carry your car service history
on paper; the important data is saved on your KEyLink Lite-powered
'smart' car key.
Car Self-Diagnosis - Transfer diagnostic data from your
car to a PC via the car key, then upload it to a service
website and run a diagnostic analysis in seconds.
Car Personalization - Car manufacturers can pre-fit cars
with upgraded services, which can later be unlocked in the
field. Obtain permissions from your car manufacturer -for
example, by making an online request at home - and store
the permission for the new features onto the car key. All
new features will be automatically activated the next time
you enter the car.
Technical Features:
Connectivity to NFC devices and ISO/IEC 14443 readers. NXP
has integrated the ISO/IEC 14443 Type A interface into the
automotive IC NCF2970, this device allows contactless data
exchange with NFC-compliant devices via a standardized 13.56-MHz
wireless link.
The NXP KEyLink Lite solution includes a low-frequency (125
kHz) front-end for the immobilizer and Passive Keyless Entry/Go
systems, and works with an external UHF transmitter (315
to 928 MHz) for both Remote Keyless Entry and Passive Keyless
Entry/Go systems.
Power consumption and memory. The KEyLink Lite chip features
a low-power high-speed RISC core with up to 32-kB user EROM
for customer applications and 6-kB EEPROM for application
specific user data, operating at a wide supply voltage range
from 2.0 to 3.6 V.
Drue Freeman, vice president, global sales and marketing,
Automotive business unit, NXP Semiconductors, said: "The
car key experience will never be the same again. Drivers
will have a whole new connected car experience with a variety
of services for comfort, convenience and maintenance, available
at the swipe of the 'smart' key. By bringing together our
industry-leading technology for car access and immobilization
with our expertise in NFC, NXP's KEyLink Lite will open
a lot more doors to the world of connected mobility."
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