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FSC‐BT646Datasheet
ShenzhenFeasycomTechnologyCo.,Ltd www.feasycom.com
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Contents
1. INTRODUCTION...........................................................................................................................................................4
2. GENERALSPECIFICATION.............................................................................................................................................5
3. HARDWARE SPECIFICATION......................................................................................................................................6
3.1BLOCKDIAGRAMANDPINDIAGRAM.........................................................................................................................................6
3.2PINDEFINITIONDESCRIPTIONS.................................................................................................................................................7
4. PHYSICALINTERFACE...................................................................................................................................................8
4.1POWERSUPPLY.......................................................................................................................................................................8
4.2RESET...................................................................................................................................................................................8
4.3GENERALPURPOSEANALOGIO.................................................................................................................................................9
4.4GENERALPURPOSEDIGITALIO..................................................................................................................................................9
4.5RFINTERFACE........................................................................................................................................................................9
4.6SERIALINTERFACES................................................................................................................................................................10
4.6.1 UART.........................................................................................................................................................................10
4.6.2 I
2
CInterface..............................................................................................................................................................11
4.7PWMINTERFACE.................................................................................................................................................................11
5. ELECTRICALCHARACTERISTICS...................................................................................................................................11
5.1ABSOLUTEMAXIMUMRATINGS...............................................................................................................................................11
5.2DCELECTRICALCHARACTERISTICS............................................................................................................................................12
5.3ACELECTRICALCHARACTERISTICS............................................................................................................................................12
6. MSL&ESD................................................................................................................................................................13
7. RECOMMENDEDTEMPERATUREREFLOWPROFILE.....................................................................................................13
8. MECHANICALDETAILS...............................................................................................................................................15
8.1MECHANICALDETAILS............................................................................................................................................................15
8.2HOSTPCBLANDPAT TERNANDANTENNAKEEP‐OUTFORFSC‐BT646...........................................................................................16
9. HARDWAREINTEGRATIONSUGGESTIONS..................................................................................................................16
9.1SOLDERINGRECOMMENDATIONS.............................................................................................................................................16
9.2LAYOUTGUIDELINES(INTERNALANTENNA).................................................................................................................................17
9.3LAYOUTGUIDELINES(EXTERNALANTENNA)................................................................................................................................17
9.3.1 AntennaConnectionandGroundingPlaneDesign..................................................................................................18
10. PRODUCTPACKAGINGINFORMATION......................................................................................................................19
10.1DEFAULTPACKING...............................................................................................................................................................19
10.2PACKINGBOX(OPTIONAL)...................................................................................................................................................20
11. APPLICATIONSCHEMATIC........................................................................................................................................21