CTCSS Signalling Processor
FX818
CONTENTS
Section
Page
1.0 Features .......................................................................................................... 1
1.2 Block Diagram ................................................................................................ 3
1.3 Signal List ....................................................................................................... 4
1.3 Signal List ....................................................................................................... 4
1.4 External Components.................................................................................... 6
1.4 External Components.................................................................................... 6
1.5 General Description....................................................................................... 7
1.5.1 Software Description ..................................................................... 7
1.6 Application Notes......................................................................................... 18
1.6.1 General.......................................................................................... 18
1.6.2 Transmitter ................................................................................... 18
1.6.3 Receiver (Decode)........................................................................ 18
1.6.4 Receiver (Fast Detect) ................................................................. 19
1.6.5 General Purpose Timer................................................................ 19
1.6.6 Tx / Fast Rx Tone Table............................................................... 19
1.6.7 Rx Program Tone Table............................................................... 20
1.7 Performance Specification.......................................................................... 21
1.7.1 Electrical Performance ................................................................ 21
1.7.2 Packaging ..................................................................................... 26
Note: As this product is still in development, it is likely that a number of changes and additions will be made to
this specification. Items marked TBD or left blank will be included in later issues.
ã 1997 Consumer Microcircuits Limited
2
D/818/4
CMLMICRO [ CML MICROCIRCUITS ]
