芯片特性介绍与解密

性能参数

read-onlymemory(rom):32768×8bits/28672×8bits/24576×8bits280×8bits/16384×8bitsforprogram16128×8bitsforcgrom

双列直插42密脚封装或四面扁平(qfp)48脚封装,iic总线控制8位微处理器,电源电压=7v,输入/输出电压=-0.3～vdd+0.3v,片内rom16k,工作温度=5～70℃,存储温度=-55～125℃。它是lc863348a经软件程序掩膜固化后的微处理器。

randomaccessmemory(ram):512×8bits(including128bytesforromcorrectionfunction)352×9bits(forcrtdisplay)

-screendisplay:36characters×16lines(bysoftware)

displayarea:36words×8lines

controlarea:8words×8lines

-characters

(4charactersincluding1testcharacterarenotprogrammable)

eachfontcanbedividedintotwopartsandusedastwofonts:

a16×17dotand8×9dotcharacterfont

-variouscharacterattributes

charactercolors:16colors

characterbackgroundcolors:16colors

fringe/shadowcolors:16colors

fullscreencolors:16colors

rounding

underline

italiccharacter(slanting)

-attributecanbechangedwithoutspacing

-verticaldisplaystartlinenumbercanbesetforeachrowindependently(rowscanbeoverlapped)

-horizontaldisplaystartpositioncanbesetforeachrowindependently

-horizontalpitch(bit9-1*1andverticalpitch(bit-3canbesetforeachrowindependently

-differentdisplaymodescanbesetforeachrowindependently

caption?textmode/osdmode1/osdmode2(quartersize)/simplifedgraphicmode

-tencharactersizes*1

horez.×vert.=(1×,(1×,(2×,(2×,(0.5×0.

(5×,(5×,(3×,(3×,(0.75×0.

-shutteringandscrollingoneachrow

-simplifiedgraphicdisplay

*1note:rangedependsondisplaymode:refertothemanualfordetails.

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