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WA_DEV_W218_PTS_002 Rev 005 Page 14 of 109
Product Technical Specification &
Customer Design Guidelines
List of Tables
Table 1. Input Power Supply Voltage ................................................................................................ 26
Table 2. Power Supply Pin Descriptions .......................................................................................... 26
Table 3. WISMO218 Operating Modes .............................................................................................. 28
Table 4. Consumption/Software Driver Recommendations ........................................................... 33
Table 5. Electrical Characteristics of Digital I/O .............................................................................. 34
Table 6. SPI Bus Pin Descriptions .................................................................................................... 35
Table 7. Main Serial Link Pin Descriptions ...................................................................................... 38
Table 8. Recommended Components............................................................................................... 40
Table 9. Electrical Characteristics of SIM Interface ........................................................................ 45
Table 10. SIM Interface Pin Description ............................................................................................. 45
Table 11. Recommended Components............................................................................................... 46
Table 12. Pin Description of the SIM Socket ..................................................................................... 46
Table 13. GPIO Pin Descriptions ......................................................................................................... 47
Table 14. Electrical Characteristics of ADC ....................................................................................... 48
Table 15. Analog to Digital Converter Pin Description ..................................................................... 48
Table 16. Electrical Characteristics of MIC ........................................................................................ 49
Table 17. Speaker Details .................................................................................................................... 50
Table 18. Electrical Characteristics of SPK ........................................................................................ 51
Table 19. Analog Audio Interface Pin Descriptions........................................................................... 51
Table 20. Murata Examples .................................................................................................................. 59
Table 21. PWM Electrical Characteristics .......................................................................................... 62
Table 22. PWM Pin Descriptions ......................................................................................................... 62
Table 23. BUZZER Electrical Characteristics ..................................................................................... 64
Table 24. BUZZER Pin Descriptions ................................................................................................... 64
Table 25. Electrical Characteristics of the ON/~OFF Signal ............................................................ 67
Table 26. ON/~OFF Signal Pin Descriptions ..................................................................................... 67
Table 27. Electrical Characteristics of the Signal .............................................................................. 71
Table 28. WISMO_READY Indication Pin Descriptions .................................................................... 71
Table 29. Electrical Characteristics of the Signals ............................................................................ 72
Table 30. VCC_2V8 Pin Descriptions .................................................................................................. 72
Table 31. Electrical Characteristics of the Signal .............................................................................. 73
Table 32. BAT-RTC Pin Descriptions .................................................................................................. 73
Table 33. TX_CTRL Status.................................................................................................................... 76