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LIS2DHTR Fiches technique(PDF) 13 Page - STMicroelectronics

No de pièce LIS2DHTR
Description  ultra low-power high performance 3-axis ?쐄emto??accelerometer
PDF  50 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LIS2DHTR Fiches technique(HTML) 13 Page - STMicroelectronics

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LIS2DH
Mechanical and electrical specifications
Doc ID 022516 Rev 1
13/49
2.4
Communication interface characteristics
2.4.1
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and Top.
Figure 3.
SPI slave timing diagram(d)
3.
When no communication is on-going, data on SDO is driven by internal pull-up resistors
Table 6.
SPI slave timing values
Symbol
Parameter
Value (1)
Unit
Min
Max
tc(SPC)
SPI clock cycle
100
ns
fc(SPC)
SPI clock frequency
10
MHz
tsu(CS)
CS setup time
5
ns
th(CS)
CS hold time
20
tsu(SI)
SDI input setup time
5
th(SI)
SDI input hold time
15
tv(SO)
SDO valid output time
50
th(SO)
SDO output hold time
5
tdis(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
d.
Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both Input and output port.
SPC
CS
SDI
SDO
tsu(CS)
tv(SO)
th(SO)
th(SI)
tsu(SI)
th(CS)
tdis(SO)
tc(SPC)
MSB IN
MSB OUT
LSB OUT
LSB IN
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)



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