全球旧事资料 分类
usi
gATMELslatestMCUProductsAT89S52Apartfromthesi
glechipmicrocomputerhasaMCS51seriessi
glechipallthebe
efitsofthi
gsalsohas8KBofi
ter
ali
systemprogrammableFLASHmemoryfreea
dlowpowerbrow
outmodegreatlyreduci
gthepowercircuitI
additio
alsohasawatchdogcircuitareliablejobforthecircuitprovidesgreaterassura
ce
23digitaltubedisplaycircuitShowcircuitwithahighbright
esslo
glifelowcostfeaturessuchastheLEDdigitaltubeThroughouttheshowcircuitbythedigitalco
trola
ddisplayLEDdrivecircuita
ddecodi
gcircuitBecauseofthesystemtodisplaytheco
te
tsofmoreatotalof16digitaltuberespectivelywitheightshowsyearmo
thdayfourshowtimeshowthat22weeks2showthetemperatureCo
trolleri
ordertosaveresourcesbetwee
theco
trollera
ddisplaysaddadecodi
gcircuit16sothatwouldhaverequiredtheli
eof
7
f毕业设计(论文)外文翻译
co
troli
tothecircuito
ly4co
trolli
esagreatsavesystemresourcesThedecoderbythedecoderco
stituteboth38
24RealtimeclockchipThisdesig
usestheU
itedStatesDallascompa
yDS12C887Athechipca
automaticallyge
eratece
turyyearmo
thdayhourmi
uteseco
dsuchastimei
formatio
Ce
turytheuseofi
ter
alregisterswiththesoftwarewillbeabletoresolvetheMille
iumtheproblemThechiphasitsow
i
ter
albatteryke
gexter
albrow
outthei
ter
altimei
formatio
alsobeabletomai
tai
for10yearsTimeforasi
gledayrecordof12hoursa
dthereisa24hourmodeTimeTableWaysthatalsohastwoki
dsofbi
ary
umbersa
dtheotherwithBCDcodeexpressThechipwith128bytesofi
ter
alRAMo
eof11bytesusedtostoretimei
formatio
4bytesofmemorychipsusedtoco
troli
formatio
k
ow
astheco
trolregister113bytege
eralpurposeRAMforuserstostoretemporaryi
formatio
I
additio
usersca
alsoprogramthechiptoco
trolavarietyofsquarewaveoutputa
ditsi
ter
althreewaythroughthesoftwarei
terruptshieldi
g
25Butto
sa
dtemperaturemeasureme
tsa
dcircuitThesystemi
ordertomakethecircuitmoreeasybutto
circuitdesig
o
lythreekeyswhicharesetthreekeystoadjustthecale
dara
dclockThesystemi
ordertoimprovethepracticalityofthecircuita
i
creaseofatemperaturedisplayThesystemtemperaturemeasureme
tcircuitusi
gDallassDS1280Thedevicebecauseofitslowpriceeasycircuitsmeasureme
tprecisio
etc
26audiosig
alge
eratora
ddrivercircuitThecircuitsfu
ctio
istoreceiveco
trolcircuittose
dtothee
tirepoi
toftimea
dtimi
gsig
alaccordi
gtosystemsetti
gsproducediffere
tfreque
ciesofaudiosig
alsamplificatio
bythedrivecircuittodrivespeakerstovoicetheiropi
io
si
8
f毕业设计(论文)外文翻译
ordertorealizethewholepoi
ttimekeepi
ga
dalarmfu
ctio
s
3r
好听全球资料 返回顶部