IEEE1394接口是由APPLE和TI公司開始的高速串行接口標(biāo)準(zhǔn)(ieee1394接口圖片見本頁下方),Apple稱之為FireWire(火線),Sony稱之為i.Link,TexasInstruments稱之為Lynx。盡管各自廠商注冊的商標(biāo)名稱不同,但實(shí)質(zhì)都是一項(xiàng)技術(shù),那就是IEEE1394。
IEEE-1394技術(shù)使用最廣的還是數(shù)字成像領(lǐng)域,支持的產(chǎn)品包括數(shù)字相機(jī)或攝象機(jī)等?傮w上說,IEEE-1394具有以下特點(diǎn): 廉價(jià) - 占用空間小 - 速度快 - 開放式標(biāo)準(zhǔn) - 支持熱插拔 - 可擴(kuò)展的數(shù)據(jù)傳輸速率 - 拓?fù)浣Y(jié)構(gòu)靈活多樣 - 完全數(shù)字兼容 - 可建立對等網(wǎng)絡(luò) - 同時(shí)支持同步和異步兩種數(shù)據(jù)傳輸模式。主要用于數(shù)碼攝像機(jī)等外設(shè)和計(jì)算機(jī)進(jìn)行大量快速數(shù)據(jù)交換時(shí)使用.
IEEE 1394-1995:
Pin No. Signal Name Signal Inter Connection
Inter Connection with i-Link
1 VP Cable power 1
2 VG Cable ground 2
3 TPB* Strobe on receive, data on transmit (differential pair) 5 1
4 TPB 6 2
5 TPA* Strobe on receive, data on transmit (differential pair) 3 3
6 TPA 4 4
i-Link: 4-pin type IEEE 1394-1995
Pin No. Signal Name Signal Inter Connection
Inter Connection with 1394-1995
1 TPB* Strobe on receive, data on transmit (differential pair) 3 5
2 TPB 4 6
3 TPA* Strobe on receive, data on transmit (differential pair) 1 3
4 TPA 2 4