LIS3L02DQ
4.2.4 SPI Read in 3-wires mode
3-wires mode is entered by setting to 1 bit SIM (SPI Serial Interface Mode selection) in A_IF_CTRL2.
Figure 8. SPI Read protocol in 3-wires model
CS
SPC
SPDI/O
RW
DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
AD6 AD5 AD4 AD3 AD2 AD1 AD0
The SPI Read command consists is performed with 16 clocks pulses:
– bit 0: READ bit. The value is 1.
– bit 1-7: address AD(6:0). This is the address field of the indexed register.
– bit 8-15: data DO(7:0) (read mode). This is the data that will be read from the device (MSb first).
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