MX909A - GMSK Modem Data Pump
6 4.1 Description of Data Blocks 6 4.2 Modem - µC Interaction 9 4.3 Data Formats 9 4.4 The Programmer's View 11 4.5 CRC, FEC, Interleaving and Scrambling Information 22 5 Application 24 5.1 Transmit Frame Example 24 5.2 Receive Frame Example 26 5.3 Clock Extraction and Level Measurement Systems 2
COMMUNICATION SEMICONDUCTORS DATA BULLETIN MX909A GMSK Modem Data Pump PRELIMINARY INFORMATION GMSK Modulation RX or TX up to 19.2k bits/sec Full Data Packet Framing Mobitex Compatible Flexible Operating Modes Host µC Interface Low Power 3.3V/5.0V Operation 24-Pin Small Form Package Option RADIO MODULATOR RF DISCRIMINATOR ANALOG TX ANALOG RX MX909A MODEM DATA PUMP DATA AND CONTROL BUS HOST µC SYSTEM APP