MLX71122_16 Datasheet, PDF (37/59 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

MLX71122
300 to 930MHz FSK/FM/ASK Receiver
Datasheet
In general a control word has the following format. Bit 0 is the Read/Write bit that determines whether it is
a read (R/W = 1) or a write (R/W = 0) sequence. The R/W bit is preceding the latch address and the
corresponding data bits.
Control Word Format
MSB
LSB MSB
LSB Bit 0
Data
Latch Address Mode
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 A2 A2 A0 R/W
There are two control word formats for read and for write operation. Data bits are only needed in write
mode. Read operations require only a latch address and a R/W bit.
Due to the static CMOS design, the serial interface consumes virtually no current. The SPI is a fully separate
building block and can therefore be programmed in every operational mode.
3.9.2. Read / Write Sequences
Fig. 17 Typical write sequence diagram
Fig. 18 Typical read sequence diagram
REVISION 014 – AUGUST, 2016
390 10 71122 01
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