LSM330DLC datasheet(17/66 Pages) STMICROELECTRONICS

部件名	LSM330DLC

功能描述	iNEMO inertial module: 3D accelerometer and 3D gyroscope

PDF	66 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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17 / 66 page

LSM330DLC

Module specifications

Doc ID 022162 Rev 2

17/66

2.4.2

I2C - inter IC control interface

Subject to general operating conditions for Vdd and TOP.

Figure 4.

I2C slave timing diagram(e)

Table 7.

I2C slave timing values

Symbol

Parameter(1)

I2C standard mode (1)

I2C fast mode (1)

Unit

Min

Max

Min

Max

f(SCL)

SCL clock frequency

100

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

th(SDA)

SDA data hold time

0.01

3.45

0.9

µs

tr(SDA) tr(SCL)

SDA and SCL rise time

1000

20 + 0.1Cb

(2)

300

tf(SDA) tf(SCL)

SDA and SCL fall time

300

20 + 0.1Cb

(2)

300

th(ST)

START condition hold time

0.6

µs

tsu(SR)

Repeated START condition

setup time

4.7

0.6

tsu(SP)

STOP condition setup time

0.6

tw(SP:SR)

Bus free time between STOP

and START condition

4.7

1.3

SCL (SCL_A/G pin), SDA (SDA_A/G pin)

Cb = total capacitance of one bus line, in pF

Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both ports

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