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Reference design to enable low-power remote control

Posted: 23 Dec 2008 ?? ?Print Version ?Bookmark and Share

Keywords:control remote? low power RF? reference design?

Ultralow-power chip specialist GreenPeak Technologies is rolling out an IEEE 802.15.4-based RF technology reference design that it says can be used to build home remote controls that can run almost forever on a single battery.

The RF remote control modules, which use the 2.4GHz spectrum, are designed to be integrated into host gear such as TVs, DVDs and STBs. They are based on GreenPeak's Emerald GP500C communication controller, with dedicated features for the consumer electronics and remote control market.

The designs also include IR as secondary use for legacy systems, so a single controller can be used for both IR and RF devices. They incorporate a protocol stack of less than 4Kbyte. The embedded IEEE 802.15.4 MAC layer allows short time-to-market and a simple, stable and reliable software application.

The designs are based on a single layer, low-cost PCB with integrated antennas, guaranteeing a very low-cost BOM. They will provide high speed low latency two-way communication with high throughputs, allowing high-speed content browsing, touchpad operation, gaming and high-resolution displays on the remote control.

According to GreenPeak's CEO, Cees Links, the RF comms controller opens up a market for low-cost, reliable high-speed RF remote controls, "and is expected to have a huge impact on the user experience, as IEEE 802.15.4 remote controls will allow a completely new way to use a remote control."

The reference designs will be demonstrated at the CES show in Las Vegas on January 2008.

- John Walko
EE Times-Europe





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