MAX9270 Gigabit multimedia deserializer with spread spectrum and duplex control channels

The deserializer uses Maxim's MAX9270's Gigabit Multimedia Serial Link (GMSL) technology. The function of this device has no output as the same enable (low level enable) pin of the MAX9260 deserializer. The output is enabled or disabled by the register. Any pair of GMSL serial deserializers form a complete digital serial link for high-speed video, audio and control data transmission.

The 15-meter shielded twisted pair (STP) cable that accepts the maximum serial deserializer with a payload data rate of 2.5Gbps. The 24-bit or 32-bit width parallel interface can be up to 104MHz or 78MHz, respectively, the largest bus clock. The serial link supports from QVGA display (320 × 240) to XGA (1280 × 768), or dual-screen WVGA (854 × 480 × 2).

The 24-bit or 32-bit mode handles 21 or 29-bit data, as well as an I ² S input, supporting 4-32-bit audio word lengths and sampling rates from 8kHz to 192kHz. The embedded control channel forms a link between a full-duplex, 100kbps differential to 1Mbps UART serializer and deserializer. The host electronic control unit (ECU) or microcontroller (μC) resides either in the serialization (video display) or deserializer (image sensing). In addition, it can be connected to a remote microcontroller for control via a serial peripheral in the I²C (basic mode) of the control channel or a user-defined full-duplex UART format (bypass mode) in the European currency unit /.

The channel equalizer expands the connection length and improves the reliability of the link. Spread spectrum can reduce the EMI of the parallel output data signal. Differential connections comply with ISO 10605 and IEC 61000-4-2 ESD protection standards.

This device uses a 3.3V core power supply and a 1.8V to 3.3VI / O power supply. The device is packaged in a 56-pin TQFN (8 × 8 × 0.75) with an exposed pad. Electrical performance is guaranteed in the automotive temperature range of -40 ° C to + 105 ° C.

Key features

Dual serializer with any GMSL

2.5Gbps payload rate, AC-coupled 8B / 10B line coding and serial link

24-bit or 32-bit programmable parallel output bus supports up to 18- or 24-bit color panels of XGA (1280 × 768) or dual-screen WVGA (854 × 2 × 480)

8.33MHz to 104MHz (24-bit bus) or 6.25MHz to 78MHz (32-bit bus) parallel data rate

Supports maximum pixel clock of two / three 10-bit cameras at 104MHz / 78MHz

4-bit to 32-bit word length, 8 kHz to 192 kHz I ² S audio channel supports high-definition audio

Embedded Half- / Full-Duplex bidirectional control channel (up to 1Mbps 100kbps)

Support independent interrupt signal for touch screen function of display panel

Remote I²C intermediate peripheral

Road length extension line equalization

Programmable spread spectrum in parallel data output to reduce EMI

No external clock required

Automatic data rate detection allows "no-fly" data rate changes

Built-in PRBS test check for bit error rate

Complies with ISO 10605 and IEC61000-4-2 ESD protection

-40 ° C to + 105 ° C operating temperature range

Unique structure ensure optimal effect and light effect

High-end and gorgeous product with beautiful design

Frosted glass cover for option, idea shape of glass to reach anti-glare effect

Excellent thermal management t ensure long lifetime of LED

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