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Section 12 FLEX
The contents of this section apply to the FLEX™ Roaming Decoder. Note that underlining
in the text indicates differences in specification from the FLEX™ Non-Roaming Decoder.
12.1
Overview
Its primary function is to process information received and demodulated from a FLEX radio
paging channel, select messages addressed to the paging device and communicate the message
information to the host. The FLEX decoder also operates the paging receiver in an efficient power
consumption mode and enables the host to operate in a low power mode when monitoring a single
channel for message information.
12.1.1
Features
• FLEX
TM
paging protocol decoder
• 16 programmable user address words
• 16 fixed temporary addresses
• 16 operator messaging addresses
• 1600, 3200, and 6400 bits per second decoding
• Any-phase or single-phase decoding
• Uses standard Serial Peripheral Interface (SPI) in slave mode
• Allows low current STOP mode operation of host processor
• Highly programmable receiver control
• Real time clock time base
• FLEX fragmentation and group messaging support
• Real time clock over-the-air update support
• Compatible with synthesized receivers
• SSID and NID Roaming support
• Low Battery Indication (External detector)
• Backward compatible to the standard and roaming FLEX decoders
• Internal demodulator and data slicer
• Improved battery savings via partial correlation and intermittent receiver clock
• Full support for revision 1.9 of the FLEX protocol
Additional Support: FLEX System Software from Motorola is a family of software components
for building world-class products incorporating messaging capabilities. FLEXstack™ Software is
specifically designed to support the FLEX
on a product's host processor and takes care of communicating with the FLEX decoder , acquiring
TM
Roaming Decoder II
TM
Roaming Decoder II IC. FLEXstack Software runs
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