SEN-14539 SparkFun

Simblee RFD77402 Simblee RFD77402 IoT 3D ToF Sensor Module Simblee IoT 3D ToF Sensor Module RFD77402 DATASHEET Features Fully Integrated microelectronic device with an embedded sensor and VCSEL(Vertical Cavity Surface Emitting Laser) 850 nm VCSEL and electronic driver Optical receiver sensor and optics Microelectronic controller Time-of-Flight (ToF) is a highly accurate distance mapping and 3D imaging technology Eye safe invisible infrared (IR) illumination using a class 1 laser emitter High accuracy and high repeatability 2 I C interface for device control and data transfer Ultra-small SMD package Standard solder reflow compatible Lead-free, RoHS compliant Small size 4.8mm x 2.8mm x 1mm Applications Absolute and highly accurate distance measurement at distances ranging from 100 mm to 2000 mm User detection for IoT devices Robotics applications such as obstacle detection and obstacle avoidance White goods type of applications such as hand detection in automatic faucets and soap dispensers 1D gesture recognition Directional movement detection along Z-axis Volume or height control 1 RFD77402 DATASHEET v1.8 2017 RF Digital Corporation 7.24.2017 www.simblee.com Simblee RFD77402 Contents Features ........................................................................................................................................................................................1 Applications ...................................................................................................................................................................................1 1 General Characteristics .................................................................................................................................................................5 1.1 Technical Specifications ...................................................................................................................................................5 Table 1: Technical Specifications .............................................................................................................................................5 1.2 Electrical Specifications ...................................................................................................................................................5 Table 2: Electrical Characteristics ............................................................................................................................................5 1.3 System Block Diagram and Device Pinout .......................................................................................................................6 Figure 1: RFD77402 Block Diagram and Device Pinout (top view) ..........................................................................................6 Table 3: Device Pinout ..............................................................................................................................................................6 1.4 Electrical Connectivity ......................................................................................................................................................7 Figure 2: Electrical Connectivity Schematic ..............................................................................................................................7 2 Module Interface ............................................................................................................................................................................8 2.1 Electrical Interface ............................................................................................................................................................8 2 2.1.1 I C Single Byte Access.....................................................................................................................................................8 2 Figure 3: I C Basic 8-bit Read and Write Cycles ......................................................................................................................8 2 2.1.2 I C Write Access with Auto Increment and Word Mode Features ....................................................................................9 2 Figure 4: I C Write Direct Access: Auto Increment and Word Mode Options ...........................................................................9 2 2.1.3 I C Read Access with Address Auto Increment and Word Mode Features .....................................................................9 2 Figure 5: I C Burst Read: Address Auto Increment and Word Mode ........................................................................................9 2 2.1.4 I C Write Indirect Addressing with Address Auto Increment and Word Mode ................................................................10 2 Figure 6: I C Indirect Address Burst Write with Address Auto Increment and Word Mode ....................................................10 2 Figure 7: I C Indirect Address Write with Address Auto Increment and Word Mode (1-Byte Access) ...................................10 2 Figure 8: I C Indirect Address Write with Address Auto Increment and Word Mode (2-Byte Access) ...................................11 2 2.1.5 I C Read Indirect Addressing with Address Auto Increment and Word Mode ...............................................................11 2 Figure 9: I C Burst Read Indirect Addressing .........................................................................................................................11 2 Figure 10: I C Indirect Address Read with Address Auto Increment and Word Mode (1-Byte Access ..................................12 2 Figure 11: I C Indirect Address Read with Address Auto Increment and Word Mode (2-Byte Access) .................................13 2 2.1.6 I C Timing Information....................................................................................................................................................14 2 Figure 12: I C Timing Characteristics Definitions ...................................................................................................................14 2 Table 2: I C Timing Characteristics Information .....................................................................................................................14 2.2 Host Interface Power Management ................................................................................................................................15 Figure 13: Module State Diagram ...........................................................................................................................................15 2.2.1 Standby / Leakage in Different Electrical Conditions .....................................................................................................16 2 Table 5: I C SCL/SCA Power-up/down Sequence .................................................................................................................16 2 RFD77402 DATASHEET v1.8 2017 RF Digital Corporation 7.24.2017 www.simblee.com