FX809

FX809 FFSK Modem Recovered Clock CHECKSUM GEN/CHECK Rx IN FFSK RECEIVER XTAL/CLOCK XTAL CLOCK GENERATOR Recovered Clock BYTE COUNTER DATA REGISTER 1 DATA REGISTER 2 Rx SYNC Detect SYNC/SYNC DETECT Rx SYNC Detect Rx FREE FORMAT CS REPLY DATA SERIAL CLOCK COMMAND DATA C-BUS INTERFACE AND CONTROL LOGIC Interrupt Enable RX DATA BUFFER TX DATA ...