CTCSS/DCS/SELCALL Processor
FX828
CONTENTS
Section
Page
1.0
1.2
1.3
1.3
Features................................................................................................1
Block Diagram....................................................................................3
Signal List ............................................................................................4
Signal List ............................................................................................4
1.4
1.4
External Components .....................................................................6
External Components.............................................................................6
1.5
General Description.........................................................................7
1.5.1 Software Description.................................................................7
1.6
Application Notes ...........................................................................20
1.6.1 General......................................................................................20
1.6.2 Transmitter ...............................................................................20
1.6.3 Receiver (Decode)....................................................................21
1.6.4 Receiver (Fast Detect) .............................................................21
1.6.5 Receiver (DCS Decoder)..........................................................21
1.6.6 General Purpose Timer ...........................................................22
1.6.7 Full Duplex Modes ...................................................................22
1.6.8 Tx / Fast Rx Tone Table...........................................................23
1.6.9 Rx Program Tone Table...........................................................23
1.6.10 Tx Tone Program Table : Selcall ............................................24
1.6.11 Rx Tone Program Table : Selcall............................................25
1.6.12 Tx DCS Code Table....................................................................26
1.7
Performance Specification .........................................................27
1.7.1 Electrical Performance............................................................27
1.7.2 Packaging .................................................................................33
© 2009 CML Microsystems Plc
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D/828/4