TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc Green Remotes Technology Victor Berrios Business Development Manager Senior Member of the Technical Staff
TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc Home Entertainment Control – Today with IR Line of sight transmission Decades-old technology Field of vision limitations Remote needs to be pointed at IR receiver in equipment being controlled Technology Challenge Plasma TV contains high frequency inverter that obstructs IR signals LCD back lighting saturates DTV IR receiver DTVs field of vision IR diode placed near edge of TV which many times is outside IR field of vision Power consumption Multiple redundant transmissions for each command Higher TX power required to avoid interference created by plasma/LCD screens Typically over 100mA required per IR transmission
TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc Home Entertainment Control – Today with RF No line-of-sight or field of vision limitations Control components behind walls or in cabinets Control over extended ranges Faster more reliable communications Transmit commands until received Many times faster response than IR Enables enhanced user interfaces Touchpad or pointing capability Bi-directional capability More reliable communications Send program guides, playlists stock quotes, etc to remote/components Allows for communications between devices Over-the-air firmware updates possible Remote locator RF consumes 25% of the power used by IR solutions selected for cost and interference avoidance capabilities with benefit of IEEE standard DSSS CSMA-CCA Allows for true interoperability between vendors products
TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc Power Consumption Comparison – IR vs. RF (2) Alkaline AA – 2850 mAH (2) Alkaline AAA – 1150 mAH mA Total: mA (6.25 mAH) 6 40 mA Total: 6 40 mA (0.067 mAH)
TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc Market Adoption Example: Sony Sony Adopts RF Remote Control for New "BRAVIA" Sony Corp. announced 15 new models of its LCD television "BRAVIA" Aug. 29, Of the 15 models release, 13 were accompanied by an RF remote control. 2 AA (1 Year Life) 2 AAA (2 Years Life)
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