Datasheet Details
| Part number | FX809 |
|---|---|
| Manufacturer | CML |
| File Size | 410.68 KB |
| Description | FFSK Modem |
| Datasheet |
 FX809 Datasheet
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|
| Part number | FX809 |
|---|---|
| Manufacturer | CML |
| File Size | 410.68 KB |
| Description | FFSK Modem |
| Datasheet |
FX809 Datasheet
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An intelligent, half-duplex, FFSK/MSK modem which operates under “C-BUS” control.
In addition this modem provides software selectable checksum generation and error checking, in accordance with MPT1327.
The FX809, using Interrupt and Status Register procedures, performs the functions described below: In Tx mode the FX809 will: 1.
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 BUFFER Rx Data Ready Tx Data Ready SYNC PROGRAM LOW – HIGH Tx Idle 8-Bit Parallel Bus ADDRESS DECODER Rx SYNC Detect Rx SYNC Detect CONTROL REGISTER STATUS REGISTER WAKE ADDRESS SELECT Fig 1.
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