SN65DSI85EVM

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SN65DSI85EVM Application Field and Working Principle

The SN65DSI85EVM evaluation module (EVM) is a development platform for the latest Texas Instruments SN65DSI85 DSI to LVDS bridge. Its integrated circuit (IC) enables designers to easily connect a Mobile Industry Processor Interface (MIPI) Display Serial Interface (DSI) type of display to an embedded system. As such, the SN65DSI85EVM is an essential tool for any engineer wishing to incorporate the features of this bridge into their design.

Application Field

The SN65DSI85EVM is suitable for a wide range of applications, including automotive, medical, industrial, and consumer displays. The bridge chip is compatible with various display technologies, including MIPI DSI, LVDS Interface, and other conventional communication schemes. It also supports various controllers, such as STM32F407, TM4C123GH6PZ, AM3352, and other Cortex-M and ARM host controllers.

The EVM supports 10/8-bit video resolution, including up to 1280×800 for displays. It has programmable dithering and gamma correction functions, along with optional clock frequency ranges from 15 MHz to 30 MHz. These features make the EVM suitable for most embedded systems requiring display features.

Working Principle

The SN65DSI85EVM works by transferring data from a MIPI DSI-type controller to an LVDS-type device. The bridge chip converts DSI data into LVDS formats while preserving the original signal integrity. The EVM supports transmission of up to 8-bit video information from MIPI DSI to LVDS interface.

The SN65DSI85 EVM provides an adjustable output window which can be configured to fit any display size. It also features programmable dithering and gama correction structures. The dithering structure adjusts the output video color range, while the gamma correction structure adjusts the video intensity. These features facilitate the bridge chip’s ASIC-level performance.

The EVM is also equipped with a diagnostic monitor that monitors the performance of the bridge, providing feedback on signal integrity and other performance-related problems. This allows engineers to quickly identify any issues in the design and make necessary changes to prevent them from occurring.

The SN65DSI85EVM is an effective development tool for IC designers wishing to use a bridge chip capable of transferring data from a MIPI DSI to an LVDS display. It simplifies design elements, allowing engineers to create a reliable and efficient system with minimal effort.

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