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In recent years, with the development of automobile intelligence, high-precision HUD has gradually been introduced into household cars. HUD is the abbreviation of Head-Up Display, also known as parallel display system. It refers to a driver-centered, blind-operated, multi-functional instrument panel.
Its function is to project important driving information such as speed and navigation onto the windshield in front of the driver, so that the driver can see important driving information such as speed and navigation without lowering his head or turning his head.
High-precision crystal oscillator is a key element to ensure stable operation of HUD.
First, the HUD system displays relevant driving information, such as vehicle speed, navigation instructions, warnings, etc., directly on a transparent display panel in front of the driver's field of vision by mapping images or information. The clock signal of the crystal oscillator is used to control image generation and update, ensuring that the image is updated within a sustained time interval and maintaining the real-time and continuity of information.
Secondly, HUD systems usually need to work together with other systems of the vehicle, such as vehicle speed sensors, navigation systems, etc. The clock signal provided by the crystal oscillator is used to synchronize data exchange and operation between the HUD system and the vehicle system to ensure accurate transmission and correct execution of data.
In addition, the transparent display panel and light source in the HUD system need to work at specific frequencies to provide clear, visible images. The clock signal of the crystal oscillator is used to drive the display and light source to ensure that they work in the correct time sequence and provide high-quality image display effects.
The passive crystal oscillator YSX321SC series launched by YXC is made of XC2KO-114-16M. The following are the typical parameters of XC2KO-114-16M and its application characteristics in vehicle HUD:
1. High reliability, high precision, total frequency difference ±80PPM, vehicle-grade temperature -40~125℃, and good environmental resistance;
2. The frequency point is 16MHz and the 3225-4P package meets the circuit design requirements of customer projects. The frequency range of this series supports 8~66MHz;
3. Yangxing automotive grade crystal oscillator is suitable for a variety of smart cockpit applications, such as head-up display (HUD), vehicle infotainment system, central control display, rear seat display and other applications
YXC crystal oscillator YSX321SC series has a frequency of 16MHz and a total frequency difference of ±80PPM. The following is the YSX321SC series specifications.
