Ficha De Dados (KITMPR03XEVM)índice analítico1 Device Overview21.1 Introduction21.2 Internal Block Diagram22 External Signal Description32.1 Device Pin Assignment3Table 1. Device Pin Assignment32.2 Recommended System Connections32.3 Serial Interface42.3.1 Serial-Addressing42.3.2 Start and Stop Conditions42.3.3 Bit Transfer52.3.4 Acknowledge52.3.5 The Slave Address5Table 2.52.3.6 Message Format for Writing the MPR03X62.3.7 Message Format for Reading the MPR03X62.3.8 Operation with Multiple Master72.4 Register Address Map7Table 3. Register Address Map73 Functional Overview83.1 Introduction83.2 Understanding the Basics83.3 Implementation84 Modes of Operation94.1 Introduction94.2 Stop Mode94.2.1 Initial Power Up9Table 4. Power-Up Register Configurations94.2.2 Stop Mode Usage94.3 Run1 Mode104.4 Run2 Mode104.5 Electrode Configuration Register10Table 5. Electrode Configuration Register Field Descriptions115 Output Mechanisms125.1 Introduction125.2 Touch Status125.2.1 Touch Status Register12Table 6. Touch Pad Status Register Field Descriptions125.3 Filtered Data135.3.1 Filtered Data Low Register13Table 7. Filtered Data Low Register Field Descriptions135.3.2 Filtered Data High Register13Table 8. Filtered Data High Register Field Descriptions135.4 Baseline Values145.4.1 Baseline Value Register14Table 9. Filtered Data High Register Field Descriptions146 Interrupts156.1 Introduction156.2 Triggering an Interrupt156.3 Interrupt Handling156.4 IRQ Pin157 Theory of Operation167.1 Introduction167.2 Capacitance Measurement16Table 10.177.3 Sensitivity17Table 11.187.4 Configuration197.4.1 AFE Configuration Register19Table 12. AFE Configuration Register Field Descriptions198 Filtering208.1 Introduction208.2 First Level208.3 Second Level208.3.1 Filter Configuration Register20Table 13. Filter Configuration Register Field Descriptions218.4 Third Level Filter218.4.1 Max Half Delta Register21Table 14. Max Half Delta Register Field Descriptions218.4.2 Noise Half Delta Register22Table 15. Noise Half Delta Register Field Descriptions228.4.3 Noise Count Limit Register22Table 16. Noise Count Limit Register Field Descriptions229 Touch Detection239.1 Introduction239.2 Thresholds239.2.1 Touch Threshold Register23Table 17. Touch Threshold Register Field Descriptions239.2.2 Release Threshold Register23Table 18. Release Threshold Register Field Descriptions23Appendix A Electrical Characteristics24A.1 Introduction24A.2 Absolute Maximum Ratings24Table 19. Absolute Maximum Ratings - Voltage (with respect to VSS)24A.3 ESD and Latch-up Protection Characteristics24Table 20. ESD and Latch-up Test Conditions24A.4 DC Characteristics25Table 21. DC Characteristics (Temperature Range = -40C to 85C Ambient)25A.5 AC Characteristics25A.6 I2C AC Characteristics26Table 22. I2C AC Characteristics26Appendix B Brief Register Descriptions27Appendix C Ordering Information28C.1 Ordering Information28C.2 Device Numbering Scheme28Tamanho: 300 KBPáginas: 33Language: EnglishAbrir o manual