Data Sheet
Table Of Contents
- 1 FH3D02 Overview
 - 2 Characteristics
 - 3 Package and Circuit Connection
 - 4 SPI Communication
 - 5 List of Registers
- 5.1 Measurement Register Contents
- 5.1.1 0x000B (read/write) – Measurement Control
 - 5.1.2 0x000E (read/write) – Measurement Start
 - 5.1.3 0x0107 (read only) – Status Register
 - 5.1.4 0x0110 (read only) – Temperature Sensor
 - 5.1.5 0x0111 (read only) – Bi0 Magnetic Field
 - 5.1.6 0x0112 (read only) – Bi1 Magnetic Field
 - 5.1.7 0x0113 (read only) – Bj0 Magnetic Field
 - 5.1.8 0x0114 (read only) – Bj1 Magnetic Field
 - 5.1.9 0x0120 (read only) – Magnetic Field Magnitude
 - 5.1.10 0x0121 (read only) – Magnetic Field Angle
 - 5.1.11 0x0122 (read only) – Linearized Angle / Bz1 Field (Special Function Mode)
 - 5.1.12 0x0124 (read only) – Bz0 Magnetic Field (Special Function Mode)
 
 - 5.2 Result Register Overview
 
 - 5.1 Measurement Register Contents
 - 6 Measurement Modes
- 6.1 Single Magnetic Probe
 - 6.2 Dual Magnetic Probe
 - 6.3 Linear Position or Off-Axis Angle Sensor (Absolute Field Values, Magnet On-Top)
 - 6.4 Linear Position or Off-Axis Angle Sensor (Gradient Field Values, Magnet On-Top)
 - 6.5 Linear Position or Off-Axis Angle Sensor (Absolute Field Values, Magnet At-The-Side)
 - 6.6 Linear Position or Off-Axis Angle Sensor (Gradient Field Values, Magnet At-The-Side)
 
 - 7 Additional Features
 - 8 LZE GmbH
 
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FH3D02 Overview
6.3.1  Application Example .......................................................................................................... 24 
6.3.2  Settings .............................................................................................................................. 24 
6.3.3  Output Registers ................................................................................................................ 24 
6.3.4  References ........................................................................................................................ 24 
6.4  Linear Position or Off-Axis Angle Sensor (Gradient Field Values, Magnet On-Top) ........ 25 
6.4.1  Application Example .......................................................................................................... 25 
6.4.2  Settings .............................................................................................................................. 25 
6.4.3  Output Registers ................................................................................................................ 25 
6.4.4  References ........................................................................................................................ 25 
6.5  Linear Position or Off-Axis Angle Sensor (Absolute Field Values, Magnet At-The-Side) . 26 
6.5.1  Application Example .......................................................................................................... 26 
6.5.2  Settings .............................................................................................................................. 26 
6.5.3  Output Registers ................................................................................................................ 26 
6.5.4  References ........................................................................................................................ 26 
6.6  Linear Position or Off-Axis Angle Sensor (Gradient Field Values, Magnet At-The-Side) . 27 
6.6.1  Application Example .......................................................................................................... 27 
6.6.2  Settings .............................................................................................................................. 27 
6.6.3  Output Registers ................................................................................................................ 27 
6.6.4  References ........................................................................................................................ 27 
7  Additional Features ............................................................................................................ 28 
7.1  Low Power Mode ............................................................................................................... 28 
7.2  EEPROM Access............................................................................................................... 29 
7.3  EEPROM Access Restriction (Lock Modes) ..................................................................... 31 
7.4  PWM Output ...................................................................................................................... 33 
7.4.1  Stand-Alone Operation with PWM Output ......................................................................... 34 
7.5  Parallel Operation of Multiple Devices............................................................................... 35 
7.6  CLK Input/Output ............................................................................................................... 35 
7.7  Range Extension in Gradient Mode................................................................................... 39 
7.8  Linearization Table ............................................................................................................ 41 
7.8.1  Example ............................................................................................................................. 41 
7.9  Magnet Lost Setting ........................................................................................................... 43 
8  LZE GmbH ......................................................................................................................... 44 










