芯片解密

microcontrollerunit(mcu)withembedded

compatibleaswellaspin-for-pinpackage

superflashmemory

compatiblewithstandard8xc5x

256bytesregister/dataram

flexiblesuperflasheeprom

–one16/32kbyteblock(128-byte

sectorsize)

–individualblocksecuritylockwithsoftlock?

feature

–87c5xprogrammercompatible

–concurrentoperationduringin-application

programming?(iap?)

–memoryre-mappingforinterruptsupport

duringiap

supportexternaladdressrangeupto

64kbyteofprogramanddatamemory

highcurrentdriveonport1(5,6,pins

three16-bittimer/counter

programmableserialport(uart)

sixinterruptsourcesat2prioritylevels

selectablewatchdogtimer(wdt)

four8-biti/oports(32i/opins)

ttl-andcmos-compatiblelogiclevels

extendedpower-savingmodes

–idlemode

–powerdownmodewithexternalinterrupt

wake-up

–standby(stopclock)mode

highspeedoperationat5volts(0to33mhz)

lowvoltage(7v)operation(0to12mhz)

pdip-40,plcc-44andtqfp-44packages

temperatureranges:

–commercial(0°cto+70°c)

–industrial(-40°cto+85°c)

productdescription

sst89c54andsst89c58aremembersofthe

flashflex51familyof8-bitmicrocontrollers.the

flashflex51familyisafamilyofembedded

microcontrollerproductsdesignedandmanufacturedon

thestate-of-the-artsuperflashcmossemiconductor

processtechnology.

asamemberoftheflashflex51controllerfamily,the

sst89c54/58usesthesamepowerfulinstructionset,

hasthesamearchitecture,andispin-for-pincompatible

withstandard8xc5xmicrocontrollerdevices.

sst89c54/58comeswith20/36kbyteof

integratedon-chipflasheepromprogrammemory

usingthepatentedandproprietarysiliconstorage

technology,inc.(sst)cmossuperflasheeprom

technologywiththesstfieldenhancingtunneling

injectorsplit-gatememorycells.thesuperflash

memoryispartitionedinto2independentprogram

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