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LIS3DH 数据表(PDF) 13 Page - STMicroelectronics

部件名 LIS3DH
功能描述  ultra low-power high performance 3-axes ?쐍ano??accelerometer
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LIS3DH 数据表(HTML) 13 Page - STMicroelectronics

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LIS3DH
Mechanical and electrical specifications
Doc ID 17530 Rev 1
13/42
2.4.2
I2C - Inter IC control interface
Subject to general operating conditions for Vdd and top.
Figure 4.
I2C Slave timing diagram
Note:
Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both port.
Table 7.
I2C slave timing values
Symbol
Parameter
I2C standard mode (1)
I2C fast mode (1)
Unit
Min
Max
Min
Max
f(SCL)
SCL clock frequency
0
100
0
400
kHz
tw(SCLL)
SCL clock low time
4.7
1.3
µs
tw(SCLH)
SCL clock high time
4.0
0.6
tsu(SDA)
SDA setup time
250
100
ns
th(SDA)
SDA data hold time
0.01
3.45
0.01
0.9
µs
tr(SDA) tr(SCL)
SDA and SCL rise time
1000
20 + 0.1Cb
(2)
300
ns
tf(SDA) tf(SCL)
SDA and SCL fall time
300
20 + 0.1Cb
(
2)
300
th(ST)
START condition hold time
4
0.6
µs
tsu(SR)
Repeated START condition
setup time
4.7
0.6
tsu(SP)
STOP condition setup time
4
0.6
tw(SP:SR)
Bus free time between STOP
and START condition
4.7
1.3
1.
Data based on standard I2C protocol requirement, not tested in production.
2.
Cb = total capacitance of one bus line, in pF.
SDA
SCL
tf(SDA)
tsu(SP)
tw(SCLL)
tsu(SDA)
tr(SDA)
tsu(SR)
th(ST)
tw(SCLH)
th(SDA)
tr(SCL)
tf(SCL)
tw(SP:SR)
START
REPEATED
START
STOP
START



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