PCB modular layout tswv yim

Nyob rau hauv lub ntsej muag ntawm cov khoom siv hluav taws xob nrog ntau thiab ntau kev sib koom ua ke kho vajtse platforms thiab ntau thiab ntau txoj kev, modular xav yuav tsum tau saws rau PCB layout. Modular thiab cov qauv tsim qauv yuav tsum tau siv nyob rau hauv ob qho tib si kho vajtse schematic tsim thiab PCB thaiv. Raws li ib tug kws kho vajtse, nyob rau hauv lub hauv paus ntawm kev nkag siab txog tag nrho cov system architecture, nws yuav tsum xub paub meej ua ke lub tswv yim modular tsim nyob rau hauv schematic daim duab thiab PCB wiring tsim, thiab npaj lub tswv yim yooj yim ntawm PCB layout raws li qhov tseeb qhov teeb meem ntawm PCB.

PCB module rau modular tsim layout txheej txheem cej luam

Qhov chaw ntawm cov khoom ruaj khov

Qhov kev tso kawm ntawm cov khoom ruaj khov zoo ib yam li qhov chaw ntawm qhov chaw ruaj khov, thiab tseem them nyiaj rau txoj haujlwm meej. Qhov no tsuas yog muab tso rau raws li tus qauv tsim. Nruab nrab thiab sib tshooj ntawm cov kab lo lo ntxhuav ntawm cov khoom thiab cov qauv, raws li pom hauv daim duab 9-6. Tom qab cov ntsiab lus ruaj khov ntawm lub rooj tsavxwm tau muab tso rau, lub teeb liab ntws kev taw qhia ntawm tag nrho lub rooj tsavxwm tuaj yeem combed raws li lub hauv paus ntsiab lus ntawm kev sib thooj ntawm cov kab ya thiab lub hauv paus ntsiab lus ntawm cov teeb liab tseem ceeb.

Schematic daim duab thiab PCB kev sib cuam tshuam chaw

Txhawm rau ua kom yooj yim rau kev tshawb fawb ntawm cov khoom, daim duab kos duab thiab PCB yuav tsum sib thooj, kom ob qho tib si tuaj yeem ua ke, hu ua kev sib cuam tshuam. Los ntawm kev siv kev sib tham sib layout, cov khoom tuaj yeem tso tau sai dua, yog li txo lub sijhawm tsim thiab txhim kho kev ua haujlwm.

(1) Txhawm rau kom ua tiav qhov kev sib cuam tshuam ntawm daim duab kos duab thiab PCB ua khub, nws yog ib qho tsim nyog yuav tsum ua tiav cov ntawv qhia zaub mov “Tool-Cross xaiv hom” nyob rau hauv ob qho tib si schematic daim duab kho qhov interface thiab PCB tsim interface los qhib qhov kev xaiv hla kev, xws li qhia hauv daim duab 9-7.

(2) Raws li qhia hauv FIG. 9-8, nws tuaj yeem pom tau tias tom qab xaiv ib qho kev tivthaiv ntawm daim duab schematic, cov khoom sib txuas ntawm PCB yuav raug xaiv synchronously; Hloov pauv, thaum xaiv ib feem ntawm PCB, cov khoom sib thooj ntawm cov schematic kuj raug xaiv.

PCB module rau modular tsim layout txheej txheem cej luam

Modular layout

Daim ntawv no qhia txog kev ua haujlwm ntawm kev sib koom ua ke, uas yog, kev teeb tsa ntawm cov khoom hauv ib cheeb tsam, uas tuaj yeem ua ke nrog kev sib cuam tshuam ntawm cov khoom nyob rau hauv thawj theem ntawm kev teeb tsa kom yooj yim cais pawg ntawm chaotic Cheebtsam los ntawm modules thiab qhov chaw. lawv nyob rau hauv ib cheeb tsam.

(1) Xaiv tag nrho cov khoom ntawm ib qho module ntawm daim duab schematic, tom qab ntawd cov khoom sib txuas nrog cov duab kos duab ntawm PCB yuav raug xaiv.

(2) Ua tiav cov ntawv qhia zaub mov “Tools-Devices-Arrangement in rectangular area”.

(3) Xaiv ib thaj tsam hauv thaj chaw dawb paug ntawm PCB, tom qab ntawd cov khoom siv ntawm cov khoom siv yuav raug teeb tsa hauv qhov xaiv ntau yam ntawm lub thawv, raws li qhia hauv daim duab 9-9. Nrog rau txoj haujlwm no, tag nrho cov haujlwm ua haujlwm ntawm daim duab schematic tuaj yeem muab faib ua cov blocks sai.

Modular layout thiab sib tham sib layout mus ua ke. Siv kev sib tham sib layout, xaiv tag nrho cov khoom ntawm lub module ntawm daim duab schematic thiab npaj lawv ib qho los ntawm ib qho ntawm PCB. Tom qab ntawd, koj tuaj yeem kho qhov teeb tsa ntawm IC, resistor thiab diode. Qhov no yog qhov kev teeb tsa modular, raws li pom hauv daim duab 9-10.

Hauv kev teeb tsa modular, koj tuaj yeem khiav Vertical Partition hais kom faib cov schematic daim duab kho qhov interface thiab PCB tsim interface, raws li pom hauv daim duab 9-11, kom ceev layout los ntawm kev saib views.