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Product details

Parameters

Operating temperature range (C) -30 to 85 open-in-new Find other Other interfaces

Package | Pins | Size

WQFN (RSB) 40 25 mm² 5 x 5 open-in-new Find other Other interfaces

Features

  • >300 Mbps Dual Link Raw Throughput
  • MPL Physical Layer (MPL-0)
  • Pin Selectable Master / Slave Mode
  • Frequency Reference Transport
  • Complete LVCMOS / MPL Translation
  • Interface Modes:
    • 16-bit CPU, i80 or m68 Style
    • RGB565 with Glue Logic
  • −30°C to 85°C Operating Range
  • Link Power Down Mode Reduces IDDZ < 10 µA
  • Dual Display Support (CS1* & CS2*)
  • Via-less MPL Interconnect Feature
  • 3.0V Supply Voltage (VDD and VDDA)
  • Interfaces to 1.7V to 3.3V Logic (VDDIO)

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Description

The LM2502 device is a dual link display interface SERDES that adapts existing CPU / video busses to a low power current-mode serial MPL link. The chipset may also be used for a RGB565 application with glue logic. The interconnect is reduced from 22 signals to only 3 active signals with the LM2502 chipset easing flex interconnect design, size and cost.

The Master Serializer (SER) resides beside an application processor or baseband processor and translates a parallel bus from LVCMOS levels to serial MPL levels for transmission over a flex cable and PCB traces to the Slave Deserializer (DES) located near the display module.

Dual display support is provided for a primary and sub display through the use of two ChipSelect signals. A Mode pin selects either a i80 or m68 style interface.

The Power_Down (PD*) input controls the power state of the MPL interface. When PD* is asserted, the MD1/0 and MC signals are powered down to save current.

The LM2502 implements the physical layer of the MPL Standard (MPL-0). The LM2502 is offered in NOPB (Lead-free) NFBGA and WQFN packages.

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Technical documentation

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Type Title Date
* Datasheet LM2502 Mobile Pixel Link (MPL) Display Interface Serializer and Deserializer datasheet (Rev. L) May 02, 2013
Application note Mobile Pixel Link Level-0 Mar. 20, 2012

Design & development

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WQFN (RSB) 40 View options

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