描述 | iButton配件 |
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差别。然而,当对具有1个从器件的应用进行建模时,识别芯片需要执行search rom命令,而不是read rom命令。这使得建立软件原型较为复杂。 表1. 适合pc的1-wire适配器 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-e25 no identification chip; with external 12v supply, this adapter can ...