MIPI Cable

MIPI interface module, compared with parallel port, has the advantages of high speed, large amount of data transmission, low power consumption and good anti-interference. For example, an 8M module with both MIPI and parallel port transmission, 8-bit parallel port transmission, need at least 11 transmission lines, up to 96M output clock, to achieve 12FPS full-pixel output; Using the MIPI interface only requires two channels and six transmission lines to achieve a frame rate of 12FPS at full pixels, and the current consumption will be about 20MA lower than parallel port transmission. Since the MIPI is transmitted by differential signal, it is necessary to carry out strict design according to the general rules of differential design, and the key is to realize the matching of differential impedance, the differential impedance of transmission line is 80-125 ohms according to MIPI protocol.

MIPI DSI-compatible Peripherals Support Command or Video mode of operation, with

Which mode is determined by the architecture of the peripheral

The Command pattern is used to send commands and data to a controller with a display cache. The host controls peripherals indirectly through commands. The Command mode has a two-way interface.

Video mode refers to the real-pixel stream when transmitted from the host to the peripheral. This mode can only be transmitted at high speed. To reduce complexity and cost, a Video-only system may have only a one-way data path

As can be seen from the pin definition diagram, D-PHY describes a source synchronization, high-speed, low-power, low-cost physical interface.

Its configuration includes: a clock channel, one or more data channels.

There are three main channel types: one-way clock channel, one-way data channel, and two-way data channel.

Transmission mode:

Low power signal mode for control purposes: 10 Mbps (Max) .

High-speed signaling mode for fast data traffic: 80MBPS ~ 1Gbps per channel.