參數(shù)資料
型號: TS68332DESC02ZC
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: High performance 32-bit integrated microcontroller
中文描述: 32-BIT, 20.97 MHz, MICROCONTROLLER, CPGA132
封裝: CERAMIC, PGA-132
文件頁數(shù): 39/56頁
文件大?。?/td> 1510K
代理商: TS68332DESC02ZC
39
TS68332
2118A–HIREL–03/02
InternalBusMonitor
TheMCUprovidesaninternalbusmonitortomonitortheDSACKxresponsetimeforall
internalbusaccesses.Anoptionallowsthemonitoringofinternaltoexternalbus
accesses.Therearefourselectableresponsetimesthatallowfortheresponsespeedof
peripheralsusedinthesystem.Abuserror(BERR)signalisassertedinternallyifthe
DSACKxresponsetimeisexceeded.Whenoperatingasabusmaster,theBERRsignal
isnotassertedexternally.
Figure21.
SystemIntegrationModuleBlockDiagram
HaltMonitor
Ahaltmonitorcausesaresettooccuriftheinternalhalt(HALT)isassertedbytheCPU.
SpuriousInterruptMonitor
Ifnointerruptarbitrationoccursduringaninterruptacknowledge(IACK)cycle,the
BERRsignalisassertedinternally.
SoftwareWatchdog
ThewatchdogassertsRESETifthesoftwarefailstoservicethesoftwarewatchdogfora
designatedperiodoftime(presumablybecauseitistrappedinalooporlost).Thereare
fourselectabletime-outperiods,andaprescalermaybeusedforlongtime-outperiods.
PeriodicInterruptTimer
TheMCUprovidesatimertogenerateperiodicinterrupts.Theperiodicinterrupttime
periodcanvaryfrom122μs-15.94μs(witha32.768kHzcrystalusedtogeneratethe
systemclock).
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