Panasonic KX-HCM110A

default.
-Theresetoperationtakesabout1minute.
-Donotturnoffthecameraduringtheresetoperation.
12.NETWORKCAMERAKX-HCM110ABLOCKDIAGRAM
13.CIRCUITDESCRIPTION
13.1.CPUPERIPHERALBLOCK
-TheIC103isasystemLSIforanetworkcameracontainingtheCPU
-Thepowersupplyvoltagesare+3.3V(I/O)and+1.8V.
-TheCPUisa32-bitRISCCPUandperformsmainlyhardwarecontrol,
TCP/IPprotocolprocessingandapplicationssuchashttpandFTP.
-Theclocksettingis65.536MHz,whichisthefourtimesof16.384MHz
oscillationintheX101byPLL.
-Therearetwotypesofexternalbus:theGeneral-purposebusthrough
SRAMI/FandthebusforSDRAMonly.
-TheGeneralbusisconnectedtoaFlashMemoryforprogramstorage.
-ThecapacityoftheFlashMemory(IC101)is32Mbit(2Mx16bit);the
program,thesettinginformationforthenetworkcameraandtheMAC
addressarestored.
-TheSDRAM(IC105)is64Mbit(4Mx16bit)andusedfortheCPU
processingwork,thecommunicationdatastorageandthesoundand
imagedatastorage.
-TheRESETIC(IC104)monitorsthepowersupplyvoltage,detectsthe
risingedgeof+3.3VandgeneratestheHardwareResetSignal.
-TheIC405isaRTC(RealTimeClock)andisusedforthetimesettingof
theimagetransfer.Itisbackedupatpower-offbyalithiumbattery
(BAT401).TheI/FwiththeCPUhasadedicatedcontroller.(5-lineI/F)
-TheEncryptionblockinsidetheIC103isanIpseccommunication
encryptionengineandisusedatthesoftwareprotocolprocessing.
SignalFlow
1.WhenarequestfromthePCisreceivedthroughLAN,theCGI
commandisanalyzedattheCPUandtherequestedimage/sounddata
aregenerated.
2.TheJPEGimageandsounddataaccumulatedontheSDRAMare
formedinIPpacketbytheprotocolprocessing.
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