Welcome to the GMSL Library

This library is available for customers to read questions and documents about the Gigabit Multimedia Serial Links. We do not offer technical support in EngineerZone for this product. If you require assistance please log a support ticket here and be sure to provide a brief description and attach any relevant information. This enables us providing a faster feedback and improve our support.

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  • FAQ

    What are the differences between LINE CRC, PACKET CRC, and FRAME CRC?

    At the most basic level, PACKET CRC is CRC calculated over a video packet (Multiple pixels), the LINE CRC is CRC calculated over a video line (multiple packets), and FRAME CRC is CRC calculated over an entire frame (multiple lines). At first it may seem…
  • FAQ

    What are the Nyquist rates of GMSL2 Links?

    The Nyquist rate is half the baud rate of a given signal. The baud rate is different from bit rate that it is the "number of changes in a signal per second" while bit rate is "number of bits per second". With this we can say that GMSL2 3Gbps link has…
  • FAQ

    Why is there a FRAME_CRC_ERR_OEN?

    FRAME_CRC_ERR_OEN allow routing of the FRAME_CRC_ERR_FLAG to ERRB pin. When enabled in the serializer, video frame cyclical redundancy check or FRAME CRC are computed at the serializer, and sent over to the deserializer. The deserializer also computes…
  • FAQ

    Can I2C/UART passthrough channels access the GMSL2 device registers?

    No, I2C/UART pass-through cannot access GMSL2 device registers. They only provide access to local device registers and provide control of the peripheral devices. However, the I2C/UART primary control channel can access device registers and connected peripheral…
  • FAQ

    What is Dual Link mode?

    Dual link is one serializer connected to one deserializer with two links in between. In this mode in GMSL2, two links work together to deliver 12Gbps of total throughput from serializer to deserializer. Data is striped between the links, so the links…
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