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LSM303AGR Fiches technique(PDF) 17 Page - STMicroelectronics

No de pièce LSM303AGR
Description  Ultra-compact high-performance eCompass module: ultra-low-power 3D accelerometer and 3D magnetometer
PDF  68 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LSM303AGR Fiches technique(HTML) 17 Page - STMicroelectronics

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LSM303AGR
Module specifications
68
2.4.2
I2C - inter-IC control interface
Subject to general operating conditions for Vdd and Top.
Table 7. I2C slave timing values (standard and fast mode)
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) Low period of the SCL clock
4.7
1.3
μs
tw(SCLH) High period of the SCL clock
4.0
0.6
tsu(SDA) Data setup time
250
100
ns
th(SDA) Data hold time
0
3.45
0
0.9
μs
th(ST)
START condition hold time
4
0.6
tsu(SR) Setup time for a repeated START condition
4.7
0.6
tsu(SP) Setup time for STOP condition
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.
Table 8. I2C slave timing values (fast mode plus and high speed)
Symbol
Parameter
I2C fast mode
plus(1)
I2C high speed(1)
Unit
Min
Max
Min
Max
f(SCL)
SCL clock frequency
0
1
0
3.4
MHz
tw(SCLL) Low period of the SCL clock
0.5
0.16
μs
tw(SCLH) High period of the SCL clock
0.26
0.06
tsu(SDA) Data setup time
50
10
ns
th(SDA)
Data hold time
0
0
0.07
μs
th(ST)
START condition hold time
0.26
0.16
tsu(SR)
Setup time for a repeated START condition
0.26
0.16
tsu(SP)
Setup time for STOP condition
0.26
0.16
tw(SP:SR) Bus free time between STOP and START condition
0.5
1. Data based on standard I2C protocol requirement, not tested in production.



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