【文章內(nèi)容簡(jiǎn)介】 ........................................................................................................................ 引 言 ........................................................................................................................... 0 第一章 概述 ................................................................................................................... 1 設(shè)計(jì)要求 ..................................................................................................... 1 理論分析 ..................................................................................................... 1 系統(tǒng)介紹 ..................................................................................................... 1 第二章 硬件設(shè)計(jì) ........................................................................................................... 3 電源模塊 ..................................................................................................... 3 電源設(shè)計(jì) ......................................................................................... 3 恒流源模塊 ................................................................................................. 4 單片機(jī)模塊 ................................................................................................. 4 AT89S52 芯片介紹 ........................................................................ 4 AT89S52 硬件電路設(shè)計(jì) ............................................................... 7 鍵盤模塊 ..................................................................................................... 8 MM74C922 ..................................................................................... 9 鍵盤電路 ......................................................................................... 9 顯示模塊 ..................................................................................................... 9 1602LCD 顯示 ................................................................................ 9 LCD 顯示硬件電路 ...................................................................... 10 A/D 模塊 ................................................................................................. 11 芯片 MAX1241 ............................................................................ 11 A/D 模塊電路 ............................................................................... 12 D/A 模塊 ................................................................................................. 12 存儲(chǔ)模塊 ................................................................................................... 13 2? C 總線 ....................................................................................... 13 芯片 24C02C ................................................................................ 13 存儲(chǔ)模塊電路 ............................................................................... 14 第三章 軟件設(shè)計(jì) ......................................................................................................... 15 編程語(yǔ)言描述 ........................................................................................... 15 系統(tǒng)軟件的功能模塊 ............................................................................... 15 主程序設(shè)計(jì) ................................................................................... 15 中斷程序設(shè)計(jì) ............................................................................... 16 第四章 軟件仿真及硬件調(diào)試 ..................................................................................... 21 Proteus..................................................................................................... 21 軟件仿真 ................................................................................................... 21 硬件調(diào)試 ................................................................................................... 22 單片機(jī)最小系統(tǒng)調(diào)試 ................................................................... 22 鍵盤及液晶顯示調(diào)試 ................................................................... 22 數(shù)模轉(zhuǎn)換與功放電路調(diào)試 ........................................................... 22 模數(shù)轉(zhuǎn)換電路調(diào)試 ....................................................................... 22 安徽理工大學(xué)碩士學(xué)位論文 new m easur es t o pr om ote wor k, t he cour age t o t ake r esponsibilt y, dar e t o br eak har d t o ensur e dist rict , Gover nment decisions and ar r angement s t o im plem ent. ( B) st rengthening supervision, sever ely punish acts of violat ion. One is t o open t he channels of supervision. Vigor ously pr om ote t he part y af fair s public, open, widely accept ed super vision by t he masses, pay at t ent ion t o social gr oups and public opinion super vision, t he power ful f or ce f or med t o ur ge par t y member s and leading cadr es pr oper ly exercise t heir power s. Second, st r ong super vision and inspect ion. Democrat ic lif e int o f ul play, im por t ant br ief ings, r eport s r elat ed t o personal m att ers and evaluation of cadr es 39。st udy of inner par t y super visor y syst em, a prehensive grasp of guidelines f or t he im plem ent ation of t he independent Com mission against cor r upt ion relat ed cases of leading cadres of part y mem ber s, f ocus on st rengt hening key ar eas of pr oject select ion, f unding, of f icials m onit or, detect and r ectif y t he pr oblem, prom ot e honest y in polit ics. Thir d, st r engt hen disciplinar y invest igat ion. Ser iously t he im plem ent at ion of J I . . . Recent ly, t he Count y leading bodies at t he county level t o car r y out t hree t r ees pr act ice, which is t o im pr ove t he gover ning abilt y and pr om oting t he development of XX ef f ect ive m easur e. I carefuly f olow your deploym ent r equir em ents, and act ively par ticipat e in t he t hree t r ees campaign. Read Gr oup, pr epared by t he Depart ment in t he near f ut ure of t he ideological and polit ical const r uction of leading cadr es in t he cit y r eader , r