Wireless Modem Data Pump
FX909A
CONTENTS
Section
Page
1.0 Features.......................................................................................................... 1
1.1 Brief Description............................................................................................ 1
1.2 Block Diagram................................................................................................ 3
1.3 Signal List....................................................................................................... 4
1.4 External Components.................................................................................... 6
1.5 General Description....................................................................................... 7
1.5.1 Description of Blocks.................................................................... 7
1.5.2 Modem - µC Interaction.............................................................. 10
1.5.3 Data Formats ............................................................................. 11
1.5.4 The Programmer's View............................................................. 13
1.5.5 CRC, FEC, Interleaving and Scrambling Details........................ 29
1.6 Application Notes ........................................................................................ 32
1.6.1 Transmit Frame Example........................................................... 32
1.6.2 Receive Frame Example............................................................ 34
1.6.3 Clock Extraction & Level Measurement Systems ...................... 36
1.6.4 AC Coupling ............................................................................... 37
1.6.5 Radio Performance .................................................................... 39
1.7 Performance Specification ......................................................................... 40
1.7.1 Electrical Performance............................................................... 40
1.7.2 Packaging .................................................................................. 45
ã 1996 Consumer Microcircuits Limited
2
D/909A/4
CMLMICRO [ CML MICROCIRCUITS ]
