合適嵌入式應(yīng)用的1-Wire®主機(jī)

button?也適合母rj-11連接器。具體情況如表1所列。 用onewireviewer評(píng)估1-wire器件時(shí)，識(shí)別芯片存在與否沒有差別。然而，當(dāng)對(duì)具有1個(gè)從器件的應(yīng)用進(jìn)行建模時(shí)，識(shí)別芯片需要執(zhí)行search rom命令，而不是read rom命令。這使得建立軟件原型較為復(fù)雜。 表1. 適合pc的1-wire適配器 port type converter 1-wire port part number notes com port, db-9 ds2480b ibutton ds1411-009 built-in identification chip is hardwired to 1-wire bus ds1411-s09 no identification chip rj-11 ds9097u-009 built-in identification chip is hardwired to 1-wire bus ds9097u-s09 no identification chip com port, db-25 ds2480b rj-11 ds9097u-