Computex 2018 : USB 3.2 將帶來雙倍傳輸速度,並且將針對通用充電器提供快充認證標章與制度

2018.06.07 07:32PM
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一如以往,今年在 Computex 再度採訪了 USB-IF 的主席 Jeff Ravencraft ,對於 USB-IF 來說, USB Type-C 與相關規範是相當重大的突破,同時也讓 USB 界面與技術能有更多元的應用。

解放 USB Type-C 預留的雙通道、為 USB 3.2 帶來倍增的傳輸速度

Product, Product design, Organization, Line, Wireless USB, Design, Angle, Font, USB, Wireless, USB 3.2- Released September 2017Enables SuperSpeed USB to fully use USB Type-C cable plug/wires.Doubles performance with dual-lane operation.Same signaling rates (5 Gbps 10 Gbps) andencoding allows using existing cables. Key benefitsMuch higher bandwidth for demanding applicationsUSB StorageUSB DisplayDual-lane operation. Double performance without sacrificing cable length.Existing SuperSpeed USB 5 Gbps cable now provides 10 Gbps of bandwidthNo need to use shorter SuperSpeed USB 10 Gbps cable to get similar bandwidthNote: Related branding, certification logos and icons will be announced when availableUSBConfidential USB Implementers Forum 2018, USB, 3.2-, Released, September, 2017, Enables, SuperSpeed, USB, to, fully, use, USB, Type-C, cable, plug/wires, Doubles, performance, with, dual-lane, operation, .Same, signaling, rates, (5, Gbps, 10, Gbps), and, encoding, allows, using, existing, cables, Key, benefits, Much, higher, bandwidth, for, demanding, applications, USB, Storage, USB, Display, Dual-lane, operation, Double, performance, without, sacrificing, cable, length, .Existing, SuperSpeed, USB, Gbps, cable, now, provides, 10, Gbps, of, bandwidth, No, need, to, use, shorter, SuperSpeed, USB, 10, Gbps, cable, to, get, similar, bandwidth, Note:, Related, branding,, certification, logos, and, icons, will, be, announced, when, available, USB, Confidential, USB, Implementers, Forum, 2018, text, font, line, product, area, angle, organization, USB 3.2- Released September 2017Enables SuperSpeed USB to fully use USB Type-C cable plug/wires.Doubles performance with dual-lane operation.Same signaling rates (5 Gbps 10 Gbps) andencoding allows using existing cables. Key benefitsMuch higher bandwidth for demanding applicationsUSB StorageUSB DisplayDual-lane operation. Double performance without sacrificing cable length.Existing SuperSpeed USB 5 Gbps cable now provides 10 Gbps of bandwidthNo need to use shorter SuperSpeed USB 10 Gbps cable to get similar bandwidthNote: Related branding, certification logos and icons will be announced when availableUSBConfidential USB Implementers Forum 2018, Wireless USB, 產品,產品設計,組織,線路,無線USB,設計,角度,字體,USB,無線,USB 3.2- 2017年9月發布啟用SuperSpeed USB以充分使用USB Type-C電纜插頭/導線。雙線運行性能雙倍。相同的信號速率(5 Gbps 10 Gbps)和編碼允許使用現有電纜。主要優點針對要求苛刻的應用,帶寬更高USBUSB StorageUSB顯示雙線操作。雙倍性能,而不會犧牲電纜長度。現有SuperSpeed USB 5 Gbps電纜現在提供10 Gbps的帶寬無需使用更短的SuperSpeed USB 10 Gbps電纜即可獲得類似的帶寬注:相關品牌,認證徽標和圖標將在可用時公佈USBBConfidential USB Implementers Forum 2018, USB,C型,電纜,插頭/電線,雙打,性能,帶,雙線,操作,同步,USB,3.2-,已發布,2017年9月,啟用,SuperSpeed,USB,信號,速率,(5,Gbps,10,Gbps)以及編碼,允許使用現有電纜,密鑰,優點,更多,更高,帶寬,要求苛刻的應用,USB,存儲,USB,顯示器,雙通道,操作,雙倍,性能,無,犧牲,電纜,長度,。現有,SuperSpeed,USB,Gbps,電纜,現在提供,10,Gbps,帶寬,不需要使用,更短,SuperSpeed,USB,10,Gbps,電纜,到,獲得,類似,帶寬,注意:,相關,品牌,認證,標識和圖標將,USB,保密,USB,實施者,論壇,2018,文本,字體,行,產品,區域,角度,組織,USB 3.2-發布September 2017啟用SuperSpeed USB以充分使用USB Type-C電纜插頭/導線。使用雙通道操作實現雙倍性能。可以使用現有電纜,並且可以使用信號速率(5 Gbps 10 Gbps)和編碼。主要優點針對要求苛刻的應用,帶寬更高USBUSB StorageUSB顯示雙線操作。雙倍性能,而不會犧牲電纜長度。現有SuperSpeed USB 5 Gbps電纜現在提供10 Gbps的帶寬無需使用更短的SuperSpeed USB 10 Gbps電纜即可獲得類似的帶寬注:相關品牌,認證徽標和圖標將在可用時公佈USBBConfidential USB Implementers Forum 2018,無線USB

Mr. Ravencraft 表示, USB Type-C 介面在規劃時就考慮到預留未來性,而當初預留的通道也將於下一版的 USB 3.2 協定發揮效果,藉由雙鏈路的方式,基於 USB Type-C 介面的 USB 3.2 可把原本的 5Gbps 或是 10Gbps 提升到 10Gbps 與 20Gbps ,帶來更高的傳輸速度,能夠提供更高的 USB 儲存速度以及為基於 USB 的影像傳輸提供更高的頻寬,利於輸出高畫質影片。

值得注意的是現行合乎規範、針對 USB 5Gbps 的雙頭 USB Type-C 線材不需要更換,即可在雙邊都支援 USB 3.2 規範的裝置提供 10Gbps 的傳輸速度。目前 USB IF 還未針對 USB 3.2 提供識別標誌,一旦標準與測試基準制定完成,屆時將針對 USB 3.2 提供全新的識別標章。

針對通用變壓器提供 USB 快充認證

Document, Wireless USB, Line, Material, Number, Wireless, USB, Font, Brand, USB-IF CertificationProducts that successfully complete USB-IF certification and sign a logo license agreement can use the certifiedUSB marks to identify the performance and power protocols supportedUSB Performance-onlyPackaging, Cable and Port MarksUSB Performance +USB ChargingCable and Port MarksUSB Charging-onlyCable and Port MarksUSB Charging-only Packaging MarksOriginal USBN/AUSBSuperSpeed USBUSBN/ATMSuperSpeed USB 10 Gbps10N/ATMMUSB ChargingCERTIFIEDCERTIFIEDUSB USBN/AFAST CHARGERUSBConfidential USB Implementers Forum 2018, USB-IF, Certification, Products, that, successfully, complete, USB-IF, certification, and, sign, logo, license, agreement, can, use, the, certified, USB, marks, to, identify, the, performance, and, power, protocols, supported, USB, Performance-only, Packaging,, Cable, and, Port, Marks, USB, Performance, +USB, Charging, Cable, and, Port, Marks, USB, Charging-only, Cable, and, Port, Marks, USB, Charging-only, Packaging, Marks, Original, USB, N/A, USB, SuperSpeed, USB, USB, N/A, TM, SuperSpeed, USB, 10, Gbps, 10, N/A, TMM, USB, Charging, CERTIFIED, CERTIFIED, USB, USB, N/A, FAST, CHARGER, USB, Confidential, USB, Implementers, Forum, 2018, text, font, line, product, number, area, material, media, document, organization, USB-IF CertificationProducts that successfully complete USB-IF certification and sign a logo license agreement can use the certifiedUSB marks to identify the performance and power protocols supportedUSB Performance-onlyPackaging, Cable and Port MarksUSB Performance +USB ChargingCable and Port MarksUSB Charging-onlyCable and Port MarksUSB Charging-only Packaging MarksOriginal USBN/AUSBSuperSpeed USBUSBN/ATMSuperSpeed USB 10 Gbps10N/ATMMUSB ChargingCERTIFIEDCERTIFIEDUSB USBN/AFAST CHARGERUSBConfidential USB Implementers Forum 2018, Wireless USB, 文檔,無線USB,線路,材料,數量,無線,USB,字體,品牌,USB-IF認證成功完成USB-IF認證並簽署徽標許可協議的產品可以使用認證的USB標誌來識別支持的性能和電源協議。 - 僅限包裝,電纜和端口標記USB性能+ USB充電電纜和端口標記USB僅限充電電纜和端口標記USB僅充電包裝標記原始USBN / AUSBS超高速USBUSBN / ATMSuperSpeed USB 10 Gbps10N / ATMMUSB ChargingCERTIFIEDCERTIFIEDUSB USBN / AFAST CHARGERUSBConfidential USB實施者論壇2018,USB-IF,認證,產品,成功完成USB-IF,認證和標誌,徽標,許可證,協議,可以,使用,認證,USB,標記,識別,性能和功耗, USB,性能,USB,充電,電纜和端口,標記,USB,充電,電纜和端口,USB,性能,包裝,電纜和端口標記,標記USB,N / A,TM,SuperSpeed,USB,10,Gbps,10,N / A,TMM,USB,USB,USB,N / A,USB, USB,充電,認證,認證,USB,USB,N / A,FAST,充電器,USB,機密,USB,實施者,論壇,2018,文本,字體,行,產品,組織,USB-IF認證成功完成USB-IF認證並簽署徽標許可協議的產品可以使用認證的USB標誌來識別所支持的性能和電源協議USB性能+電纜和端口標記USB性能+ USB充電電纜和端口標記USB充電電纜和Port MarksUSB僅限充電包裝標誌原始USBN / AUSBS超速USBUSBN / ATMSuperSpeed USB 10 Gbps10N / ATMMUSB ChargingCERTIFIEDCERTIFIEDUSB USBN / AFAST CHARGERUSBConfidential USB實施者論壇2018,無線USB

在去年 8 月, USB IF 首度針對 USB 變壓器提供認證制度,不過隨著裝置對於快充的需求越來越高, USB IF 又追加了 USB 快充的認證機制,同時提供 USB 快充的認證標章,屆時只要看到變壓器上有這樣的標誌,即可進行快速充電。

筆者也詢問到如 Razer 新款的 Razer Core X 可藉由 USB PD 規範提供 100W 的充電,這樣是否需要額外認證的 USB Type-C 線?Mr. Ravencraft 表示,若電壓的設定為 20V ,線材又是合乎 USB IF 針對 USB Type-C 標準規範,那這樣的線材在使用上就絕對安全無虞,因為 USB IF 規範當中,線材需要能承受 5A 以上的電流,也恰好滿足 20V 5A = 100W 的安全標準。

選擇性加入的 USB 協定驗證功能將於明年釋出

Document, VHS, Wireless USB, Line, Angle, Wireless, USB, Brand, USB Authentication. USB Authentication is an optional security protocol. Enables host systems to protect and mitigate risks against:Non-compliant USB chargers, devices and cablesMaliciously embedded hardware/software from USB devices attempting toexploit a USB connectionRequires new hardware and softwareNot a requirement for USB-IF certification. USB-IF expects USB Authentication adoption to grow in 2019USBConfidential USB Implementers Forum 2018, USB, Authentication, USB, Authentication, is, an, optional, security, protocol, Enables, host, systems, to, protect, and, mitigate, risks, against:, Non-compliant, USB, chargers,, devices, and, cables, Maliciously, embedded, hardware/software, from, USB, devices, attempting, to, exploit, USB, connection, Requires, new, hardware, and, software, Not, requirement, for, USB-IF, certification, USB-IF, expects, USB, Authentication, adoption, to, grow, in, 2019, USB, Confidential, USB, Implementers, Forum, 2018, text, font, line, product, area, document, angle, brand, paper, USB Authentication. USB Authentication is an optional security protocol. Enables host systems to protect and mitigate risks against:Non-compliant USB chargers, devices and cablesMaliciously embedded hardware/software from USB devices attempting toexploit a USB connectionRequires new hardware and softwareNot a requirement for USB-IF certification. USB-IF expects USB Authentication adoption to grow in 2019USBConfidential USB Implementers Forum 2018, Wireless USB, 文檔,VHS,無線USB,線路,角度,無線,USB,品牌,USB認證。 USB認證是一個可選的安全協議。使主機系統能夠防範和減輕以下風險:不符合標準的USB充電器,設備和電纜來自試圖開啟USB連接的USB設備的可靠嵌入硬件/軟件需要新的硬件和軟件不需要進行USB-IF認證。 USB-IF預計USB身份驗證的採用將在2019年USB增長,USB,身份驗證,USB,身份驗證,安全,協議,啟用,主機,系統,保護和減輕風險,針對:,不符合標準的USB,充電器,設備和電纜惡意嵌入硬件/軟件從USB設備試圖利用USB連接需要新的硬件以及, 2018年,USB,保密,USB,實施者,論壇,2018,文本,字體,USB,IF認證,USB-IF,USB,認證,採用,線,產品,區域,文件,角度,品牌,紙張,USB認證。 USB認證是一個可選的安全協議。使主機系統能夠防範和減輕以下風險:不符合標準的USB充電器,設備和電纜來自試圖開啟USB連接的USB設備的可靠嵌入硬件/軟件需要新的硬件和軟件不需要進行USB-IF認證。 USB-IF預計USB身份驗證將在2019USBConfidential USB Implementers Forum 2018,Wireless USB中得到發展

 USB 協定驗證是近年曾提及針對 USB 充電、供電的一項選擇規範, USB IF 也正式預計將在 2019 年釋出這項選擇性功能;透過加入這項功能,相互連接的裝置、線材(需要具備晶片)、充電器等可偵測是否合乎規範,當使用非通過安全認證的線材或是充電器時,會限制在最高 5V 2A = 10W 的供電,確保裝置不因此受損,畢竟這年頭連 5V 2A 都無法使用的線材應該也很少了。

藉手機搭配 USB Type-C 示範單一纜線提供影、音、數據與供電的四合一功能

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USB Type-C 介面最重要的功能就是在定義上可提供單一纜線供應影像、聲音、數據與供電,現場也透過一具支援 USB Type-C 介面的螢幕,分別搭配三星的 Dex 以及華為的 Mate 10 ,示範如何透過手機搭配 USB Type-C 與支援 USB Type-C 的螢幕,同時滿足螢幕畫面投射、聲音傳遞、連接 USB 輸入裝置的同時,還幫手機進行充電。

USB IF 仍認為消費者須更重視認證帶來的安全性

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雖然 Mr.  Ravencraft 已經多年苦口婆心的強調線材與充電器認證的重要性,不過使用非認證線材導致裝置燒毀的情況仍層出不窮,除了持續推廣認證外, USB-IF 在美國也持續與通路、電商等合作,宣導使用經過安全認證的變壓器與線材的重要性,而裝置商與充電器品牌也設法加入安全監控機制偵測異常發熱的情況,然而最重要的是消費者仍要有不貪心便宜的想法,還有對充電時的安全性的認知。

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