I3G4250D Datasheet, PDF (12/43 Pages) STMicroelectronics – 3-axis digital output gyroscope

Mechanical and electrical characteristics
I3G4250D
2.4
2.4.1
Communication interface characteristics
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and Top.
Symbol
Table 7. 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
8
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
6
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 4. SPI slave timing diagram
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W_VX6,
W_K6,
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06%287
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W_K&6

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W_GLV62
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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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