Belkin F5U100 Manuel d'utilisateur

1USB 2.0Pre-CompliancePhysical Layer Testing

10Host High-Speed Signal QualityRUN

11Host High-Speed Signal QualityÅWaveformEye Diagram Æ

12Host High-Speed Signal Qualityf Results: Summary

13Host High-Speed Signal Qualityf Results: Details

14Report GeneratorUtilities Æ Report GeneratorSelect 1. Tektronix Specific2. Plug-fest Specific3. CSV FormatFile name

15Host Full-Speed Signal Quality此connector直接,接到Hub11.1的HubSwitch set to INIT

16Host Full-Speed Signal Qualityf Win 2K (英文版) or XP PC 不可执行 HSElecticalTestTool 软件f 测试治具需接电源, Switch 切到INITf Scope 执行 TDSUSB2 软件选择 Full Speed 然后将 Sig

17Host Full-Speed Signal Quality

18Host Full-Speed Signal QualityÅWaveformEye DiagramÆ

19Host Low-Speed Signal Quality此connector直接,接到待测口

2Brief Introduction to USB 2.0f Four wire system (D+, D-, VBUS, GND)f USB2.0 provides the following speed selectionsf Self powered and Bus powered dev

20Host Low-Speed Signal Qualityf Win 2K (英文版) or XP PC 不可执行 HSElecticalTestTool 软件f 执行 TDSUSB2 软件,选择 Low Speed 然后将 Signal quality 的九个项目全部点选.f Eye diag

21Host Low-Speed Signal Quality

22Host Low-Speed Signal Quality

23Host Low-Speed Signal QualityCursor

24Host Low-Speed Signal QualityÅWaveformEye DiagramsÆ

25Droop Test1m length

26Droop Testf 待测port为port1, 但所要量测Vbus的port为邻近的port2.f 治具须接上电源.f 执行 TDSUSB2 软件, 点选 Droop.f 进入 Configure 的选项, 点选 Source 选择所要用的input Channel.f 按下 RUN 的符号

27Droop Test

28USB 时序测量– Chirp– Packet Parameters– Suspend– Resume– Reset from High-Speed– Reset from Suspend

29USB HS Physical LayerHS terminationsHS terminationsFS Pull UpFS Pull Up

3USB2.0 一致性测试4Three categories of Compliance testing0Physical layer (Electrical Test)0Protocol layer0Interoperability testing0USB 2.0 legacy tests0Sig

30Low speed device speed detectLow-speed devices 在内部会将D-信号通过1.5K的电阻上拉到3.3V

31Connect -Low speed

32FS-HS speed device speed detectFull-speed 和High-speed devices在内部会将D-信号通过1.5K的电阻上拉到3.3V

33Connect -Full/high speed

34FS-HS speed speed handshakeHigh Speed:1. Device 保持 D+ 信号的上拉2. Device 驱动 high-speed signaling 电流 到 D- 信号, 产生 Chirp K 信号3. Hub 或者 host 检测到 device chi

35Chirp TestINIT

36Chirp Testf 测试治具需接上电源 先将的 switch 切到 INIT 的位置.f 执行 TDSUSB2 软件,选择 High Speed 然后点选 Chirp.f 进入 Configure 的选项 点选 Source 选择所要用的input Channel.f 按下 RUN 的符号,

37Chirp TestReset TimeChirp KDuration TimeReset Duration2.5us to 3 msChirp K Duration1ms to 7 ms3 KJ pairsrequiredHS terminations required < 500us

38Packet Parameterf 需要运行 USB-IF HS Electrical Test Tool

39Packet Parameter1. 捕获 三个 packet burst2. 前两个 packets 由 host发出。3. 最后一个packet 由device发出1. 第二步是两个 packet burst2. 验证interpacket gap

4USB2.0 信号质量测试信号质量测试包括：f眼图测试(Eye-Diagram testing)f信号速率(Signal Rate)f包结尾宽度(End of Packet Width)f交叉点电压范围(Cross-over voltage range (for LS and FS))fJK抖动(

40End of packet

41Transmission signal-SYNC1. 对于low-/full-speed 传输,SYNC pattern的要求3 KJ 对紧跟着 2 K 一共8个bit.2.对于High-speed 传输,SYNC pattern的要求15 KJ 对紧跟着 2 K 一共32个bit.3.EOP:

42Suspendf 验证 device 恢复到full-speed 上拉.f 3.0 msec to 3.125 msecLast SOF packetRising edge of full speed J State

43Resumef Host必须在进入空闲状态的3ms之内发送SOF packet.SOF packetK state

44Reset from Suspend (Device)f 在reset结束后, Device必须发送一个chirp handshake , 测量D+的下降沿到Chirp K的开始时间,要求为2.5us-6ms之间.Chirp

45Reset from High-Speed (Device)f 在reset结束后, Device必须发送一个chirp handshake , 测量reset前最后一个 SOF的 开始位置到 chirp-K的时间间隔. 验证时间是否为 3.1mS 至 6mS之间. Chirp K

46待測件為Device所要测试的信号为Device送出的信号, 信号的方向为上行(Up Stream)测试项目1. Signal Quality– High speed test 480Mbit/S– Full speed test 12Mbit/S2. Inrush Current3

47Device High-Speed Signal QualitySwitch

48Device High-Speed Signal Qualityf 測試治具需接上電源 先將 switch 切到 INIT 的位置.f Win 2K (英文版) or XP PC 執行 HSElecticalTestTool 軟體,選擇 Device 然後按 TEST.f 進入下一個視窗在Dev

49Device High-Speed Signal Quality

5测试环境需求f 500 MHz PC with Windows 2000 (English) or XP OSf High-Speed Host Controllerf USB-IF furnished Test Mode Softwaref Good quality USB cablesf Go

50Device High-Speed Signal Quality

51Device High-Speed Signal QualityWaveformEye Diagram

52Device Full-Speed Signal Quality此兩個Connector直接到Hub5的Downstream Port

53Device Full-Speed Signal Qualityf 第一層HUB必需用2.0的HUB. 用到三個Channelf Win 2K (英文版) or XP PC 執行 HSElecticalTestTool 軟體.f 選擇Device按Test此時在下一個畫面應可看到至少7個Devi

54Device Full-Speed Signal Quality待測件Loop Device Descriptor

55Device Full-Speed Signal Quality

56Device Full-Speed Signal QualityWaveformEye Diagram

57Receiver Sensitivity Test

58Receiver Sensitivity Testf 測試治具需接上電源 先將 switch 切到 INIT 的位置.f DG2040 送出 測試訊號 (SYNC).f Win 2K (英文版) or XP PC 執行 HSElecticalTestTool 軟體,選擇 Device 然後按 T

59Receiver Sensitivity Testf Sensitivity

6当DUT为Host时所测试的信号均为Host设备发出，其信号方向为下行(Down Stream)测试项目1. Signal Quality– High speed test 480Mbit/S– Full speed test 12Mbit/S– Low speed test

60Receiver Sensitivity Testf Squelch

61Receiver Sensitivity Testf Short Sync

62Receiver Sensitivity Testf Normal Sync

63Inrush Current Test

64Inrush Current Testf 治具 Inrush Port 的 Switch 先切到 DUT OFF.f 執行 TDSUSB2 軟體, 點選 Inrush Current.f 進入 Configure 點選 Configure 後輸入Vbus 電壓 點選 Source選擇所要用的in

65Inrush Current Test

66待測件為HUB的Up-stream Port所要測試的訊號為HUB送到HOST的訊號, 訊號的方向為上傳(Up Stream)測試項目1. Signal Quality– High speed test 480Mbit/S– Full speed test 12Mbit/S2. In

67Hub Up-stream Signal Qualityf High-Speed此connector直接,接到待測port

68Hub Up-stream Signal Qualityf 測試治具需接上電源 先將 switch 切到 INIT 的位置.f Win 2K (英文版) or XP PC 執行 HSElecticalTestTool 軟體,選擇 HUB 然後按 TEST.f 進入下一個視窗在HUB Comman

69Hub Up-stream Signal Quality

7Host High-Speed Signal Quality此connector直接,接到被测口

70Hub Up-stream Signal Qualityf Full-Speed此兩個Connector直接到Hub5的Downstream Port2.0 HUB

71Hub Up-stream Signal Qualityf 第一層HUB必需用2.0的HUB.f 選擇Device按Test此時在下一個畫面應可看到至少7個Device.f 點選要測試的Device, 在 Device command 選擇 Loop Device Descriptor, E

72待測件為HUB的Down-stream Port所要測試的訊號為HUB送到HOST的訊號, 訊號的方向為上傳(Up Stream)測試項目1. Signal Quality– High speed test 480Mbit/S– Full speed test 12Mbit/S– L

73Hub Down-stream Signal Qualityf High-Speed此connector直接,接到待測port

74Hub Down-stream Signal Qualityf Win 2K (英文版) or XP PC 執行 HSElecticalTestTool 軟體,選擇 HUB 然後按 TEST.f 進入下一個視窗在Port Control 內選擇Test_packet , 在 Port 內選擇所要

75Hub Down-stream Signal Quality

76Hub Down-stream Signal Qualityf Full-Speed5m5m5m5m5m5m

77Hub Down-stream Signal Qualityf Win 2K (英文版) or XP PC 不可執行 HSElecticalTestTool 軟體f 執行 TDSUSB2 軟體選擇 Full Speed 然後將 Signal quality 的九個項目全部點選.– Eye dia

78Hub Down-stream Signal Qualityf Low-Speed5m5m5m5m5m5m

79Hub Down-stream Signal Qualityf Win 2K (英文版) or XP PC 不可執行 HSElecticalTestTool 軟體f 執行 TDSUSB2 軟體,選擇 Low Speed 然後將 Signal quality 的九個項目全部點選.– Eye dia

8Host High-Speed Signal Qualityf Win 2K (英文版) or XP PC 运行 HSElecticalTestTool 软件,选择 HOST 然后按 TEST.f 进入下一个窗口在Port Control 内选择Test_packet , 在 Port 内选择所要

80Droop Test

81Droop Test

9Host High-Speed Signal Quality