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l(f)ڣ[2010-12-23]    [3987]ΡЇ(gu)늚Ј(chng)ُ(gu)W(wng)[EM39.com]{(bio)pԄ(dng)L}
      S҇(gu)܇I(y)ĸٰl(f)չSͥԼ˽܇܇(k)Ĕ(sh)h(yun)h(yun)M㲻ˣЧطֹ܇I܇P(gun)ĵĆ}ƌW(xu)g(sh)ѸͰl(f)չY(ji)ϸN¼g(sh)܇I(bo)ϵy(tng)^F(xin)Ŀǰ܇dϵy(tng)Ĺ𲽵(qing)࣬ÆƬC(j)ĿԽԽom(yng)܇вǶʽg(sh)ɞȻ
IJǶʽg(sh)_l(f)܇dIbһ(qing)܇I̶ܻһ棬sСbõweԓbÑ(yng)õ`ͬr(sh)Ҳ錢M(jn)һ(qing)܇ӵĹṩ˔U(ku)չĿgƪֻ(du)Ӳ·B
1ϵy(tng)ӲM
ϵy(tng)ҪARMǶʽ֙C(j)ģKobģK܇ƺ͠B(ti)zy(c)ģK4ֽM܇ƺ͠B(ti)zy(c)ģK܇vP(gun)(sh)(j)ɼoARMǶʽARMǶʽٌo֙C(j)ģK͟obģKK_(d)(bo)Ŀġϵy(tng)ԭD1ʾ
1.1·
бI܇߷(dng)܇a(chn)(dng)(dng)õĵƽЧ̖(ho)oLPC2210LPC2210ٌԓϢһ(g)o(bo)·һ(g)oTC35(bo)·ҪɼɉKP(yng)•_P(gun)SCRMɡOܻ(f)ϹǞ߹ʶõ·ʩMһ(g)Ŵ󱶔(sh)ܴĵЧwܣŴ󱶔(sh)@ɹܷŴ󱶔(sh)ij˷eSCRɿɿع蘋(gu)ɵ_P(gun)ݺ蘋(gu)ɽVoICṩ+3+4V늉ICM•(bo)·(bo)SCRI܇\һe(cu)ܴatƿһ·M(jn)Iϵy(tng)һ·ڰl(f)(dng)C(j)(dng)(dng)l(f)(dng)C(j)Խc(din)ݔ늉(jng)΢·ɿعSCR|l(f)ֽ(jng)轵늉ICԴݔIC@늉ݔ(bo)̖(ho)(jng)(f)ϹܷŴ߄(dng)P(yng)•l(f)Ĉ(bo)•oB(ti)r(sh)(g)·늡D2ʾ
1.2ԴӿO(sh)Ӌ(j)
GSMģKĹ늉3.35Vچ(dng)Bӂݔ?sh)ꑾW(wng)j(lu)^ҪԴṩֵ2A늉ĉܴ400mVģKԴO(sh)Ӌ(j)r(sh)횳ֿ]늉½횱CС늉3Vڔ(sh)(j)ݔ?sh)^У늉IJ(dng)ܴ400mVtTC35(hu)J(rn)늉^ͶԄ(dng)P(gun)]ģK·ԴҪMܶ늳؊AԴ߀Ҫ]늳؊ABϵĉ·O(sh)Ӌ(j)԰ZIFӿڵԴԴ_늣ZIFӿԴΪ(d)һҪCϵҪԲô߷(wn)_P(gun)Դ늡
1.3нӿO(sh)Ӌ(j)GSMģKϵy(tng)̎ͨ^TIUTRS232(bio)(zhn)пM(jn)Д(sh)(j)QвĸƽCMOS늉(2.65V)RS232D(zhun)QоƬ߉݋ƽ횲õ͉ʽ(3.3V)5VĴD(zhun)QоƬO(sh)Ӌ(j)xMAX˾MAX3238(sh)F(xin)(sh)(j)D(zhun)QMAX3238MAX˾a(chn)3.3V߉݋ƽD(zhun)QоƬͳõMAX232ֻͬ߉݋ƽ3.3VģK̎Ĵͨȫͨôп(bio)(zhn)wӲӿ·D3ʾ
1.4S1MӿO(sh)Ӌ(j)
GSMģKеĻ̎һ(g)SIMӿڣ@(g)ӿȫISO78163(bio)(zhn)SIMӿO(sh)Ӌ(j)r(sh)˱Cߵķ(wn)ZIFBͿ_L(zhng)Ȳ(yng)^200mm
O(sh)Ӌ(j)r(sh)߀Ҫ]һ(g)}SIMĵؾ̎(dng)Ȼ(j)(g)˵O(sh)Ӌ(j)(x)TL(fng)кܶ಻ͬķҪ_(d)KĿʹSIMһ(g)Ϊ(d)ĵ1(g)늸к1(g)ݘ(gu)һMV·ڿÿһ߅һM@Ӿ͘(gu)һ(g)h(hun)θxʹSIM汣һ(g)(du)(d)ĵأͨ^һģKӿڵغSIMĵB
1.5obģKO(sh)Ӌ(j)obعܲSRWF-1ģK(sh)F(xin)ͨ^89C51M(jn)пC51յϢͨ^ڰl(f)oSRWF-1l(f)ģKSRWF-1ģKյϢͨ^ڂoLPC2210
2Y(ji)Z
(jng)(sh)(yn)(yn)CûGSMϢͨŷʽ܇(bo)ϵy(tng)HԴ߈(bo)ϵy(tng)ͨſɿ̶ȣͨžxĶ(sh)F(xin)Ñ(du)܇L(zhng)x(sh)r(sh)O(jin)أⱾϵy(tng)߀Ɍ(du)ֵľo̶M(jn)Ѕ^(q)Ñ(j)rȡʩM܇Ñ(du)܇IҪ󣬶ұϵy(tng)ɱƏV
dֻfϢվ^c(din)C(sh)ϢHD(zhun)dՈ(qng)ע̎




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