LSM303AGR datasheet(17/68 Pages) STMICROELECTRONICS

номер детали	LSM303AGR

подробное описание детали	Ultra-compact high-performance eCompass module: ultra-low-power 3D accelerometer and 3D magnetometer

PDF	68 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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17 / 68 page

DocID027765 Rev 5

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LSM303AGR

Module specifications

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

100

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

th(SDA) Data hold time

3.45

0.9

μs

th(ST)

START condition hold time

0.6

tsu(SR) Setup time for a repeated START condition

4.7

0.6

tsu(SP) Setup time for STOP condition

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

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

th(SDA)

Data hold time

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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