DB829 Datasheet, PDF (19/29 Pages) CML Microcircuits – Low Voltage Operation

Baseband Signal Processor
IRQ
RXSYNCWORDF
or SYNTF
or SYNCF
RXDATAF
19
≤ 8-bit
period
MX829 PRELIMINARY INFORMATION
DEMODIN
STATUS
COMMANDS
Byte 1
2 bytes of sync data + 2 bytes of MSK data
Byte 2
RXDATAF
"SYNC"
FLAG
RXDATAF
RXDATAF
READ
Rx DATA
(Byte 1)
READ
Rx DATA
(Byte 2)
Figure 10: Reception of 2 Bytes of Data
IRQ
TXIDLEF
TXDATAF
≤ 8-bit
period
8-bit period
8-bit period
≈ 1-bit period
MSK/DTMFOUT
Byte 1
Byte 2
Byte 3
3 bytes of MSK data + 1 hang bit
READ
STATUS
TX
TX TX
IDLEF DATAF DATAF
TX
DATAF
TX
DATAF
WRITE
COMMANDS
ENABLE
TX and
TXDATAM
WRITE
TX DATA
(Byte 2)
WRITE
TX DATA
(Byte 1)
and
ENABLE
TXIDLEM
WRITE
TX DATA
(Byte 3)
TX
DATAF
TX
IDLEF
TX
DATAF
Figure 11: Transmission of 3 Bytes of Data
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