NXP in-car Entertainment Navigation System
![Published](/img/time1.png)
The development of Telematics system is mainly realized through sensor technology, wireless transmission technology, massive data processing technology and data integration technology complementing each other. The future of Telematics system will face the integration of system functions, massive data quantification and high transmission rate.
And the car entertainment system will become the hub of the car and the outside world information exchange. Such as cell phone and car interaction, just a smart phone, you can synchronize the cell phone in the intelligent navigation, network radio, music, video, games, instant information and a large number of applications to the car with one click, creating a personalized car entertainment system environment, so that car owners can easily enjoy the happy "cloud" driving.
This solution uses MTK's car entertainment navigation platform, a single core board integrated UI, GPS, DVD, video decoding, Bluetooth, screen driver and most of the functions of the car, peripheral circuits only need to add radio, amplifier and power supply to form the car entertainment navigation system.
This article mainly introduces the solution of SOC peripheral radio, auxiliary MCU, CAN/LIN bus and audio amplifier, users interested in the core SOC solution should contact Pinjia Group.
►Product physical picture
►Display board photo
►Solution cube diagram
►Core technology advantage
① FM/AM reception and playback
② CAN/LIN communication
③ MCU operation, LCD human-machine interaction
►Specifications
① Using NXP TEF668x (compatible with TEF665x, TEA685x) low IF high performance single chip FM/AM tuner, the radio receiver includes the highest feature set, AM/FM front-end, tuning synthesizer, channel filtering, FM channel equalization, FM multiplex improvement, demodulation, FM stereo decoding, weak signal processing, noise suppression and RDS, and provides with DARC demodulator/decoder interface;
② Adopting NUC230/240 32bit high-performance Cortex-M0 MCU with main frequency up to 72MHz, two CAN buses, one USB 2.0 Full Speed interface, up to six high-speed UART serial ports, four SPI interfaces, two I²C and USB, Lin bus, and 800 kSPS high conversion speed 12-bit A/D;
③ Adoption of TJA1042 high-speed CAN transceivers with up to 1 Mbit/s, improved electromagnetic compatibility (EMC) and electrostatic discharge (ESD) performance, very low standby mode, with bus wake-up capability;
④ TJA1021 LIN transceiver with LIN 2.1/SAE J2602 compliance, baud rates up to 20 kBd, high electromagnetic immunity (EMI), wake-up source identification (local or remote);
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