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601#
l(f) 2007-1-4 10:16:03 | ֻԓ (li) Ї㽭
hao |öe
602#
l(f) 2007-1-4 10:23:39 | ֻԓ (li) Ї㽭
õ
603#
XS l(f) 2007-1-4 17:55:13 | ֻԓ (li) Їɽ|R
úúúÖ|
604#
W(xu)X l(f) 2007-1-4 20:39:15 | ֻԓ (li) ЇĴY(yng)
úúúú
605#
W(xu)X l(f) 2007-1-4 20:40:30 | ֻԓ (li) ЇĴY(yng)
xxxx
606#
W(xu)X l(f) 2007-1-4 20:41:55 | ֻԓ (li) ЇĴY(yng)
úúúú
607#
W(xu)X l(f) 2007-1-4 20:43:11 | ֻԓ (li) ЇĴY(yng)
ܺúܺ
608#
߀](mi) l(f) 2007-1-5 12:06:33 | ֻԓ (li) ЇM
e , | !
609#
zxdzh l(f) 2007-1-5 14:14:26 | ֻԓ (li) ЇG

Ͽ

xx
610#
zxdzh l(f) 2007-1-5 14:18:43 | ֻԓ (li) ЇG

xxf(wn)q

̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧
611#
Ͼ l(f) 2007-1-5 14:21:02 | ֻԓ (li) ЇV
xx~~̫Ľ~~
612#
zxdzh l(f) 2007-1-5 14:24:45 | ֻԓ (li) ЇG

l(f)ٍX(qin)

l(f)   l(f)ٍX(qin)ٍX(qin)   l(f)ٍX(qin)   l(f)ٍX(qin)     l(f)ٍX(qin) l(f)ٍX(qin)   l(f)ٍX(qin)   l(f)ٍX(qin)   l(f)ٍX(qin)
613#
zxdzh l(f) 2007-1-5 14:25:33 | ֻԓ (li) ЇG

xxf(wn)q

̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧
614#
zxdzh l(f) 2007-1-5 14:25:54 | ֻԓ (li) ЇG
xxf(wn)q


̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧̫Ö| ֧
615#
zxdzh l(f) 2007-1-5 14:35:21 | ֻԓ (li) ЇG

ƨďUX(qin)

ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨƨďUX(qin)ďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)
616#
zxdzh l(f) 2007-1-5 14:36:02 | ֻԓ (li) ЇG

ƨďUX(qin)

ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨƨďUX(qin)ďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)
617#
zxdzh l(f) 2007-1-5 14:39:32 | ֻԓ (li) ЇG

ٍX(qin)M

ƨďUX(qin)ƨƨďUX(qin)ďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)
618#
zxdzh l(f) 2007-1-5 14:40:26 | ֻԓ (li) ЇG

ٍX(qin)M

ƨďUX(qin)ƨƨďUX(qin)ďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨƨďUX(qin)ďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨƨďUX(qin)ďUX(qin)ƨďUX(qin)ƨďUX(qin)ƨďUX(qin)
619#
zxdzh l(f) 2007-1-5 14:46:27 | ֻԓ (li) ЇG

XS޵ĺӼg(sh)

һ늽ݵĺӣСӼ

õһKД늽ѓp͵ȰȡȻQһ(g)õ·£

޺ȡͿһӺȻFaFϵaуɂ(g)ϵaC@ӾͿ԰ȡ

һ(g)ȡ֮^(gu)һa@һ(g)õǷŲȥȻ҂Fѿ׃ȵaCaa(li)

ȻQؓOϵĘʽR֮bȻڱĿϼϺa@@(g)늽ݾͺȥ

С(xin)ᘶϷQ


PCBྀ(xin)a

PCBĔྀ(xin)ЃɷNr

1               ϵĴ־(xin)־(xin)඼ǹ늾(xin)늾(xin)ǂݔ늉ľ(xin)ͻȻ׃пܾͰѴ˾(xin)

2               ߅صһЩ(xin)Еr(sh)҂໥ĥr(sh)пܾͰ@N(xin)o

҂õһKѽ(jng)ДDz(xin)pĵԒ(hu)͵õƬєྀ(xin)Ľ^yȥ¶~Ƥ~ƤͿϺF~(xin)ϼaǿմaP䓲ճ~(xin)һa͕(hu )׃yɫһ~zͬӷ~zϺaȻ~zྀ͔(xin)ķFӟ@ӾͿ԰єྀ(xin)a֮Ϳһӽ^^


3SMDСNƬĺ

ȌL(fng)ضȴ5.5L(fng)Сֱ(zh)ȡԪӟÔzӊA(zh)ԪƄ(dng)һԪƄ(dng)f(shu)@(g)Ԫȡ(li)

޺ȡԪĺc(din)ĨһӺȻѸQԪŵc(din)ӟaܻ@(g)NƬͺ

pSMDоƬĺ

џL(fng)ضșn򵽡5.5L(fng){4(zh)оƬǴֱӟ^ľӟǣßL(fng)(zh)оƬDȦӟpеоƬ涼ֻdžӟǺyȡȡ@KпҲһҪӟӟһΕr(sh)gÔz|һ´оƬƄ(dng)f(shu)ȡÔzӰȡ¼

һ(g)оƬȡ֮|c(din)ϵaпܕ(hu )s֮γɰ͹ƽСac(din)@ӿ԰һ(g)µоƬϵĕr(sh)һ׌RԾҪѴ˺c(din)̎ƽ·£

޺Ѻc(din)ͿһӺȻFһһƽ@ӾͿȻоƬ_λ÷ǵĺc(din)RßL(fng)ӟẸc(din)ϵaۻоƬͺ庸һKȻÜyȿһǷBһѽ(jng)BһôͿÔzӄһоƬǶ](mi)Ƅ(dng)оƬѽ(jng)

I/OоƬĺ

џL(fng)ضșn5.5L(fng)򵽡3(zh)I/OоƬDӟоƬӲ嵽оƬaܻͿȡ

оƬȡ֮Ôzӽoc(din)ͿϺͿ֮FѺc(din)aƽ֮оƬǺĺc(din)һһFȰеĎׂ(g)Ǻ庸ϣ̶ãȻßL(fng)ӟaܻ@(g)оƬͺ庸

ÔzӄһоƬǷƄ(dng)ЄtmԭλF](mi)ЄtоƬ

(chng)Чܵĺ

џL(fng)Ĝضșn򵽡5.5L(fng)򵽡3(zh)ȡԪһֱӟaܻͿȡ

޺ѺͿc(din)Ȼш(chng)Чܷŵc(din)һֱӟaܻ˹ܾͺ


zyͬI/OpSMDһӣ

BGAоƬĺӣ

FоƬBGACgλFƤԓӟBGAоƬ_(ki)һֱӟȴоƬݿԁ(li)Ƅ(dng)t@(g)BGAоƬȡ


ȡ֮ϵĶao̎Ƀ£

1  ͿһӺ

2  Fϴ󲿷ֵaoε߀(hu )ʣһ

3  F(zh)a(xin)ppƄ(dng)ЩСS(chng)sĺc(din)^Ƅ(dng)a(xin)r(sh)һþƄ(dng)Ѻc(din)£֮ܛʣຸԺ(hu )KɃоƬ֮(hu )F̓Y|r

҂µоƬֲa򣩾ֱӰоƬ_λ÷ϼӟ](mi)µоƬԏĄeȡһ(g)ͬN̖оƬQ԰һ(g)оƬȡºϵķϵa̎оƬa̎޺оƬķͿһӺࣨo(w)s|(zh)ٰь䓾W(wng)оƬҪ䓾W(wng)һϴɃ䓾W(wng)Ϳ׃һкsþƾϴ_ˢɺ䓾W(wng)оƬüƬСFװa䓾W(wng)оƬͿһӺҺһճÿһ(g)䓾W(wng)׵涼һСֺÿ(g)׃ȶ(hu )ճһ(g)a@҂ͰaoоƬ޺Ĩһc(din)ڣעͿϣоƬßL(fng)ӟ


џL(fng)СL(fng)ȡȻoaӟaȫR֮עŸo(w)c(din)IJ(hu )(hu )R@(g)оƬֲѽ(jng)ֵòas֮Ϳ԰䓾W(wng)ȡѲҪaĨ@(g)оƬaȫֲ


ٰоƬϵİɫ[RĂ(g)xͬȻҪоƬ[BGAC벿λӟһΕr(sh)gÔzӻ򼚾Vzpp|һBGAоƬоƬp΢Ƅ(dng)֮ԕ(hu )Ƅ(dng)ԭ(li)λ@(g)оƬaѽ(jng)庸һ


ۻĸQ

Qһ(g)ۻǰ}һ(g)̖ͬIJۻۻЃɷNһNǏЈ(chng)I(mi)؁(li)߀һN҂?yu)˹sɱĉȡµĶֲ

ΏһKĵȡһ(g)õIJۻ


õһ(g)вۻ۾һ²ۻıǷбоÔzӽoУԓŵBGACϼӟᣨλãӟһΕr(sh)gÔzһ²ۻ߅늽(xin)ᘣСIJѽ(jng)Ƅ(dng)f(shu)@(g)ۻõÔzӰ΄(dng)ۻԁ(li)Ƅ(dng)ͱԓۻȡ


ȡ֮QҲBGAC벿λӟFƤϱоƬһֱӟϲEһӰѲۻȡ֮ѸٰѺõIJۻȻһֱӟaڻ˲ۻͿԲˣᘱpôDz岻ϵģʴ_ȿ


עʹBGACr(sh)ϵCMOS늳һҪȡ늽ݹİһȡⱬըɇ؆(wn)}
620#
l(f) 2007-1-5 19:43:25 | ֻԓ (li) Ї
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