LSM9DS0 Datasheet, PDF (17/74 Pages) STMicroelectronics – iNEMO inertial module 3D accelerometer, 3D gyroscope, 3D magnetometer

LSM9DS0
Module specifications
2.4
2.4.1
Communication interface characteristics
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and Top.
Symbol
Table 6. SPI slave timing values
Parameter
Value⁽¹⁾
Min
Max
Unit
t_c(SPC)
SPI clock cycle
100
ns
f_c(SPC)
SPI clock frequency
10
MHz
t_su(CS)
CS setup time
5
t_h(CS)
CS hold time
20
t_su(SI)
SDI input setup time
5
t_h(SI)
SDI input hold time
15
ns
t_v(SO)
SDO valid output time
50
t_h(SO)
SDO output hold time
5
t_dis(SO)
SDO output disable time
50
1. Values are guaranteed at 10 MHz clock frequency for SPI with both 4 and 3 wires, based on characterization results, not
tested in production.
Figure 3. SPI slave timing diagram
CS _{( )}
SPC ( )
t_su(CS)
SDI ( )
SDO ( )
t_c(SPC)
t_su(SI)
t_h(SI)
MSB IN
t_v(SO)
MSB OUT
t_h(SO)
()
t_h(CS)
()
LSB IN
()
t_dis(SO)
LSB OUT
()
Note:
Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both input and output
ports.
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