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LSM303CTR データシート(PDF) 15 Page - STMicroelectronics

部品番号 LSM303CTR
部品情報  Ultra-compact high-performance eCompass module: 3D accelerometer and 3D magnetometer
PDF  53 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LSM303CTR データシート(HTML) 15 Page - STMicroelectronics

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LSM303C
Module specifications
53
2.4.2
I2C - inter-IC control interface
Subject to general operating conditions for Vdd and Top.
Figure 5. I2C slave timing diagram
Note:
Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both ports.
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
3.45
0
0.9
μs
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
SDA
SCL
tsu(SP)
tw(SCLL)
tsu(SDA)
tsu(SR)
th(ST)
tw(SCLH)
th(SDA)
tw(SP:SR)
START
REPEATED
START
STOP
START
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