Data Sheet

FSC‐BT646Datasheet
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 ShenzhenFeasycomTechnologyCo.,Ltd   www.feasycom.com
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4.6.2I
2
CInterface
TwoI2CmasterandslaverdeviceswithDMA 
Bidirectionaldatatransferbetweenmastersandslaves 
Multi‐masterbusArbitrationbetweensimultaneouslytransmittingmasterswithoutcor‐ruptionofserialdataon
thebus 
Serialclocksynchronizationallowingdeviceswithdifferentbitratestocommunicateviaoneserialbus 
Serialclocksynchronizationcanbeusedasahandshakemechanismtosuspendandre‐sumeserialtransfer 
Built‐in14‐bittime‐outcounterthatrequeststheI2CinterruptiftheI2Cbushangsupandtimer‐outcounter
overflows 
Programmableclocksallowforversatileratecontrol 
Supportsmultipleaddressrecognition 
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4.7  PWMInterface
Uptofourbuilt‐in16‐bitPWMgenerators,providingeightPWMoutputsorfourcom‐plementarypairedPWM
outputs 
Individualclocksource,clockdivider,8‐bitpre‐scalaranddead‐timegeneratorforeachPWMgenerator 
PWMinterruptsynchronizedtoPWMperiod 
Supportsedge‐alignmentorcenter‐alignment 
Supportsfaultdetection 
5.  ELECTRICALCHARACTERISTICS
 5.1  AbsoluteMaximumRatings
Absolutemaximumratingsforsupplyvoltageandvoltagesondigitalandanaloguepinsofthemodulearelistedbelow.
Exceedingthesevaluescausespermanentdamage.
TheaveragePIOpinoutputcurrentisdefinedastheaveragecurrentvalueflowingthroughanyoneofthecorresponding
pinsfora100mSperiod.ThetotalaveragePIOpinoutputcurrentisdefinedastheaveragecurrentvalueflowingthrough
allofthecorrespondingpinsfora100mSperiod.Themaximumoutputcurrentisdefinedasthevalueofthepeakcurrent
flowingthroughanyoneofthecorrespondingpins.
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Table4:AbsoluteMaximumRating
Symbol Description Min Trp Max Unit
VDD BTInputvoltage ‐0.3 ‐ 3.6 V
VI Inputvoltage ‐0.3 ‐ VDD V
VO Outputvoltage VSS ‐ VDD V
TOP OperatingTemperature ‐40 ‐ 85 °C
TSTG StorageTemperature ‐40 ‐ 125 °C
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Note:ExceedingoneormoreofthelimitingvaluesmaycausepermanentdamagetoFSC‐BT646. 
Caution:Electrostaticsensitivedevice,complywithprotectionruleswhenoperating.