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NXP Enables All-in-One and Standard PCs With eDP-to-LVDS Bridge IC


PTN3460 is industry’s first to provide EDID ROM emulation supporting use of display panels that don’t include EDID ROM

Eindhoven, Netherlands and San Jose, California, – At the Intel Developer Forum (IDF) this week, NXP Semiconductors N.V. (NASDAQ: NXPI) will showcase the PTN3460 – an embedded DisplayPort™-to-LVDS bridge IC ideal for All-in-One PCs and standard PC platforms. In the first half of 2011, analyst firm Gap Intelligence observed a 28-percent increase in the number of touchscreen All-in-One PCs offered at major retailers it tracks, and some observers have suggested that AIOs could account for 20 percent of the total desktop PC market next year. However, while LVDS continues to be used widely in PC display panels including All-in-One PCs, major chip manufacturers are now removing LVDS support from their chipsets and GPUs in order to optimize power consumption and adopt sub-micron technology. The PTN3460 from NXP provides a protocol conversion bridge between an eDP source and an LVDS display panel.

With both an embedded microcontroller and on-chip flash memory, the PTN3460 makes it easy to update firmware. Advanced features available only in the PTN3460 include on-chip EDID ROM emulation, which enables the replacement of discrete EDID ROMs up to 1kB. This unique capability enables system integrators to use panels that don’t have built-in EDID ROM. The PTN3460 also offers unmatched flexibility of configuration by offering support for Display Port (DP) over the AUX channel, as well as via the I2C-bus and via hardware pins. Further, the PTN3460 offers “brightness control” functionality, with no additional components required, enabling significant savings in total bill of materials (BoM).

Technical Features:

eDP to LVDS conversion – compliant with DisplayPort v1.1a/1.2 and eDP v1.1/1.2 standards and supports a link rate of 1.6 /2.7 Gbps with up to two lanes of operation

Supports single or dual LVDS bus operation with pixel clock frequency up to 112 MHz and color depths of 18/24 bits/pixel

Embedded microcontroller and on-chip non-volatile memory (NVM) permitting field-upgradability of firmware

EDID ROM emulation to support display panels with non-EDID or ROM, supporting EDID structure v 1.3 and on-chip EDID emulation up to 1kB

Supports multiple configuration options – I2C bus, DP over AUX, or hardware pins

Offers “brightness control” functionality without additional components such as EEPROM and passive components, saving system BoM

Powered by 3.3-V and/or 1.8-V supplies
Available in the HVQFN56 7-mm x 7-mm package with 0.4-mm pitch

Supporting Quote

“As major CPU/chipset manufacturers remove support for LVDS, the PTN3460 eDP-to-LVDS bridge provides an elegant interface solution for PC OEMs and ODMs. In addition, it reduces the total bill of materials while supporting the latest DisplayPort technologies, making computer configuration and upgrades more flexible and user-friendly,” said Grahame Cooney, general manager, High Speed Interface product line, NXP Semiconductors.

Availability and Pricing

The NXP PTN3460 eDP-to-LVDS bridge IC is available in volume immediately, and will be shown this week at IDF2011 in San Francisco, California (booth 730).

Pricing varies by product and volume, starting at $2.30 per unit in quantities of less than 10k.

About NXP

NXP Semiconductors N.V. (NASDAQ: NXPI) provides High Performance Mixed Signal and Standard Product solutions that leverage its leading RF, Analog, Power Management, Interface, Security and Digital Processing expertise. These innovations are used in a wide range of automotive, identification, wireless infrastructure, lighting, industrial, mobile, consumer and computing applications. A global semiconductor company with operations in more than 25 countries, NXP posted revenue of $4.4 billion in 2010.


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