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L3GD20TR 데이터시트(PDF) 12 Page - STMicroelectronics

부품명 L3GD20TR
상세설명  MEMS motion sensor: three-axis digital output gyroscope
PDF  44 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L3GD20TR 데이터시트(HTML) 12 Page - STMicroelectronics

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Mechanical and electrical specifications
L3GD20
12/44
Doc ID 022116 Rev 1
2.4.2
I2C - Inter IC control interface
Subject to general operating conditions for Vdd and Top.
Figure 4.
I2C slave timing diagram (b)
Table 7.
I2C slave timing values (TBC)
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
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.
b.
Measurement points are at 0.2·Vdd_IO and 0.8·Vdd_IO, for both ports.



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