ARM Cortex R4F Manual do Utilizador descarregar pdf (Página 61)

Automotive Central Body Controller

Load Drivers:

• Main load driver types in a central body controller are lights and relay

drivers.

• The switches and drivers for the exterior lighting are placed on the

controller directly.

• Relays are used to power other electronic modules or loads.

• Current monitoring supervises demand from the distributed loads, other

ECUs and used for charge & load management of the car battery.

RFID Functions - Most common automotive RFID functions are:

• Immobilizer and the remote keyless entry system.

• LF base station IC for encrypted communication with the ignition key

(immobilizer)

• Ultra Low power sub 1-GHz UHF transceiver for communication with

remote control for locking/ unlocking the doors and the alarm system.

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ARM Cortex R4F Manual do Utilizador Página 61