Sierra Wireless WISMO218 - Manual (Page 13)

WA_DEV_W218_PTS_002 Rev 005 Page 13 of 109
Product Technical Specification &
Customer Design Guidelines
Figure 33. RTC Supplied by a Gold Capacitor ..................................................................................... 74
Figure 34. RTC Supplied by a Non Rechargeable Battery.................................................................. 74
Figure 35. RTC Supplied by a Rechargeable Battery Cell .................................................................. 75
Figure 36. TX_CTRL State During TX Burst ......................................................................................... 76
Figure 37. Example of TX Status Implementation ............................................................................... 77
Figure 38. Reset Timing ......................................................................................................................... 78
Figure 39. Example of ~RESET Pin Connection with Push Button Configuration .......................... 79
Figure 40. Example of ~RESET Pin Connection with Transistor Configuration .............................. 79
Figure 41. Example of an RF 50 line ................................................................................................... 81
Figure 42. Typical hardware configuration .......................................................................................... 84
Figure 43. WISMO218 Pin Configuration ............................................................................................. 90
Figure 44. PCB Structure Example for the Application Board ........................................................... 94
Figure 45. Environmental classes ......................................................................................................... 96
Figure 46. Castellation Pin Dimension and Location ......................................................................... 98
Figure 47. WISMO218 Dimensions ....................................................................................................... 99