DPS368Pin Configuration and Block Diagram2Pin Configuration and Block Diagram2.1Pin Configuration and DescriptionFigure 1Pin configuration (top view, figure not to scale)Table 2Pin descriptionPinNameSPI 3-wireSPI 3-wire with SPI 4-wireI2CI2C withinterruptinterrupt 1 GND Ground 2 CSB Chip select - active Chip select - Chip select - Not used - open Not used - open low active low active low (internal pull-up) (internal pull- or tie to VDDIO up) or tie to VDDIO 3 SDI Serial data in/out Serial data in/out Serial data in Serial data in/out Serial data in/out 4 SCK Serial Clock 5 SDO Not used Interrupt Serial data out Least significant Interrupt pin bit in the device and least address. significant bit in the device address. 6 VDDIO Digital supply voltage for digital blocks and I/O interface 7 GND Ground 8 VDD Supply voltage for analog blocks Preliminary datasheet 6 v1.0 2019-03-14 Document Outline Product Description Features Typical applications Product Validation Table of contents 1 Definitions, acronyms and abbreviations 1.1 Definitions 2 Pin Configuration and Block Diagram 2.1 Pin Configuration and Description 2.2 Block Diagram 3 Specifications 3.1 Operating Range 3.2 Absolute Maximum Ratings 3.3 Current Consumption 3.4 Temperature Transfer Function 3.5 Pressure Transfer Function 3.6 Timing Characteristics 4 Functional Description 4.1 Operating Modes 4.2 Mode transition diagram 4.3 Start-up sequence 4.4 Measurement Precision and Rate 4.5 Sensor Interface 4.6 Interrupt 4.7 Result Register Operation 4.8 FIFO Operation 4.9 Calibration and Measurement Compensation 4.9.1 How to Calculate Compensated Pressure Values 4.9.2 How to Calculate Compensated Temperature Values 4.9.3 Compensation Scale Factors 4.9.4 Pressure and Temperature calculation flow 5 Applications 5.1 Measurement Settings and Use Case Examples 5.2 Application Circuit Example 5.3 IIR filtering 6 Digital interfaces 6.1 I2C Interface 6.2 SPI Interface 6.3 Interface parameters specification 6.3.1 General interface parameters 6.3.1.1 I2C timings 6.3.1.2 SPI timings 7 Register Map 8 Register description 8.1 Pressure Data (PRS_Bn) 8.1.1 PRS_B2 8.1.2 PRS_B1 8.1.3 PRS_B0 8.2 Temperature Data (TMP_Tn) 8.2.1 TMP_B2 8.2.2 TMP_B1 8.2.3 TMP_B0 8.3 Pressure Configuration (PRS_CFG) 8.4 Temperature Configuration(TMP_CFG) 8.5 Sensor Operating Mode and Status (MEAS_CFG) 8.6 Interrupt and FIFO configuration (CFG_REG) 8.7 Interrupt Status (INT_STS) 8.8 FIFO Status (FIFO_STS) 8.9 Soft Reset and FIFO flush (RESET) 8.10 Product and Revision ID (ID) 8.11 Calibration Coefficients (COEF) 8.12 Coefficient Source 9 Package Dimensions 9.1 Package drawing 10 Footprint and stencil recommendation 11 Reflow soldering and board assembly 12 Package Handling Revision history Disclaimer