MIPI
What is ‘MIPI’
MIPI, short for: Mobile Industry Processor Interface, developed by the MIPI Alliance, is a high-performance, low-power, low-cost serial communication interface designed to standardize internal device interfaces such as camera, display, RF/baseband interfaces, etc., thereby reducing the complexity of device design and increasing design flexibility. The benefit of a unified interface standard is that manufacturers can flexibly choose different chips and modules as needed, making design and functionality changes very quick and convenient. MIPI is mainly used in mobile and embedded devices, such as smartphones, computers, in-vehicle entertainment systems, wearable devices, and Internet of Things (IoT) devices.
MIPI interface on the motherboard
MIPI has different interface protocols
When the MIPI interface corresponds to different functions, the internal protocols are different, so a specific protocol must be provided for the description of the MIPI interface. Otherwise, it may lead to mismatches between interface signals and functional components, causing the device to fail to power on normally.
MIPI has what interface protocols?
1. MIPI DSI: Used to connect displays and processors, providing high-bandwidth serial data transmission, mainly used for displays in mobile devices such as smartphones and tablets.
2. MIPI CSI: Used to connect camera modules and processors, supporting high-bandwidth data transmission, commonly used for cameras in mobile devices.
3. MIPI I3C: Used for low-speed control and communication, replacing traditional I2C interfaces, providing higher bandwidth and lower power consumption.
4. MIPI D-PHY: Defines the physical layer for data transmission, mainly used for DSI and CSI interfaces.
In addition to the mainstream protocols listed above, there are many other protocols and standards involved in MIPI to meet different application needs, among which MIPI CSI and MIPI DSI are more mature.
How is MIPI applied?
1. MIPI CSI is commonly used for image data transmission in various cameras. MIPI CSI supports multiple data encoding formats, including RGB, YUV, and RAW formats, and can transmit high-definition video and high-quality audio. In machine vision applications, it can also be used to transmit data from other sensors.
2. MIPI DSI protocol is often applied to display transmission. Small LCDs and OLED displays ranging from 4.8 inches to 9.7 inches are suitable for using MIPI DSI as the transmission protocol. Compared to common display interfaces like LVDS, MIPI DSI can not only transmit video data but also control commands, enabling a richer user interaction experience.
Motherboards equipped with MIPI interfaces have the following advantages
1. MIPI interfaces can quickly transmit large amounts of image data collected by cameras to the motherboard. For example, high-resolution industrial cameras may generate a large amount of pixel data per second, and MIPI interfaces ensure that this data is transmitted to the motherboard in a timely and complete manner.
2. MIPI interfaces use differential signaling, effectively reducing signal interference and attenuation, ensuring the quality of image transmission and the stability of the system. This is particularly important in demanding environments such as industrial automation, medical imaging, and traffic monitoring.
What products does Jiehe Technology have that feature MIPI interfaces?
Jiehe Technology’s industrial computer motherboards IB3-741, IB3-761, IB3-771, and commercial computer motherboard CB4-411 all feature MIPI interfaces, which can be used to connect image sensors and camera modules to meet the requirements of different scenarios.
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