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LSM303DLHC 数据表(PDF) 12 Page - STMicroelectronics

部件名 LSM303DLHC
功能描述  Ultra compact high performance e-compass 3D accelerometer and 3D magnetometer module
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LSM303DLHC 数据表(HTML) 12 Page - STMicroelectronics

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Module specifications
LSM303DLHC
12/42
Doc ID 018771 Rev 1
2.4
Communication interfaces characteristics
External pull-up resistors are required to support I2C standard and fast speed modes.
2.4.1
Sensor I2C - inter IC control interface
Subject to general operating conditions for Vdd and Top.
Figure 3.
I2C slave timing diagram (c)
Table 6.
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
AM09238V1



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