Advance Information ROAMING FLEX chip SIGNAL PROCESSOR
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Freescale Semiconductor, Inc. SEMICONDUCTOR TECHNICAL DATA
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Freescale Semiconductor, Inc. SEMICONDUCTOR TECHNICAL DATA
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Order this document by: MC68181 Technical Data
MC68181
Advance Information
ROAMING FLEX™ chip SIGNAL PROCESSOR
The FLEX™ protocol is a multi-speed, high-performance protocol adopted by leading service providers worldwide as a de facto paging standard. The FLEX protocol gives service providers the increased capacity, added reliability, and enhanced pager battery performance they need today. It also provides an upward migration path to the service provider that is completely transparent to the end user. The MC68181 Roaming FLEX™ chip IC is part of a total solution available from Motorola for providing FLEX capabilities in a low-power, low-cost system. The FLEX™ chip simplifies implementation of a FLEX paging device by interfacing with any of several off-the-shelf paging receivers, and any of several off-the-shelf host microcontroller/microprocessors. The primary function of the FLEX™ chip is to process information received and demodulated from a FLEXradio paging channel, select messages addressed to the paging device, and communicate the message information to the host. The host controls receiver channel selection, and interprets the message information in an appropriate manner (numeric, alphanumeric, binary, etc.) and handles all the I/O activity. The FLEX™ chip IC also operates the paging receiver in an efficient power consumption mode and enables the host to operate in a low power mode w...
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