LSM303DLH Datasheet, PDF (15/47 Pages) STMicroelectronics – Sensor module: 3-axis accelerometer and 3-axis magnetometer

LSM303DLH
Module specifications
2.3.2
Magnetic field sensing I²C digital interface
This magnetic sensor IC has a 7-bit serial address and supports I²C protocols with standard
and fast modes (100 kHz and 400 kHz, respectively), but does not support high-speed
mode (Hs).
External pull-up resistors are required to support the standard and fast modes. Depending
on the application, the internal pull-ups may be used to support slower data speeds than
specified by I²C standards.
This device does not contain 50 ns spike suppression, as required by fast mode operation in
the I²C bus specification.
Activities required by the master (register read and write) have priority over internal
activities, such as measurement. The purpose of this priority is to prevent the master waiting
and the I²C bus being engaged for longer than necessary.
Doc ID 16941 Rev 1
15/47