AXSEM AX5043 Programming Manual
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Contents
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2TA B L E O F CO N T E N T S1.Overview.............................................................................................................................. 71.1.Connecting the AX5043 to an AX8052F100 or other Microcontroller............................81.2.Pin Function Descriptions............................................................................................. 91.3.SPI Register Access..................................................................................................... 101.3.1.Deep Sleep......................................................................................................... 121.3.2.Address Space.................................................................................................... 122.FIFO Operation................................................................................................................... 142.1.FIFO Chunk Encoding................................................................................................. 152.1.1.NOP Command.................................................................................................... 162.1.2.RSSI Command................................................................................................... 162.1.3.TXCTRL Command.............................................................................................. 172.1.4.FREQOFFS Command..........................................................................................172.1.5.ANTRSSI2 Command........................................................................................... 172.1.6.REPEATDATA Command......................................................................................182.1.7.TIMER Command................................................................................................. 182.1.8.RFFREQOFFS Command......................................................................................182.1.9.DATARATE Command..........................................................................................192.1.10.ANTRSSI3 Command.........................................................................................192.1.11.DATA Command................................................................................................ 192.1.11.1.Transmit Data Format................................................................................192.1.11.2.Receive Data Format.................................................................................212.1.12.TXPWR Command............................................................................................. 223.Programming the Chip....................................................................................................... 233.1.Power Modes.............................................................................................................. 233.1.1.FIFO Power Management....................................................................................243.2.Autoranging............................................................................................................... 243.3.Choosing the Fundamental Communication Characteristics.......................................263.4.Framing...................................................................................................................... 273.5.Transmitter................................................................................................................. 293.5.1.Recommended Preamble....................................................................................313.6.Receiver..................................................................................................................... 323.6.1.Receiver State Machine......................................................................................343.7.Low Power Oscillator Calibration.................................................................................363.8.Auxiliary DAC.............................................................................................................. 374.Register Overview.............................................................................................................. 405.Register Details.................................................................................................................. 585.1.Revision and Interface Probing...................................................................................585.1.1.Register: REVISION.............................................................................................. 585.1.2.Register: SCRATCH.............................................................................................. 585.2.Operating Mode.......................................................................................................... 585.2.1.Register: PWRMODE............................................................................................ 585.3.Power Management.................................................................................................... 595.3.1.Register: POWSTAT.............................................................................................. 595.3.2.Register: POWSTICKYSTAT...................................................................................595.3.3.Register: POWIRQMASK.......................................................................................605.4.Interrupt Control......................................................................................................... 605.4.1.Register: IRQMASK1, IRQMASK0..........................................................................60 |
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