PD720113 Figure 2-18. Low-/full-speed Disconnect Detection D /D+ D +/D
參數(shù)資料
型號(hào): UPD720113GK-9EU-A
廠商: Renesas Electronics America
文件頁(yè)數(shù): 22/34頁(yè)
文件大?。?/td> 0K
描述: IC HUB CTLR USB2.0 7-PORTS QFP
標(biāo)準(zhǔn)包裝: 50
控制器類型: USB 2.0 集線器控制器
接口: USB 2.0
電源電壓: 2.5 V,3.3 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 80-TQFP
供應(yīng)商設(shè)備封裝: 80-TQFP
包裝: 托盤
Data Sheet S16618EJ3V0DS
27
PD720113
Figure 2-18. Low-/full-speed Disconnect Detection
D
/D+
D
+/D
VIHZ (min)
VIL
VSS
Device
Disconnected
Disconnect
Detected
tDDIS
Figure 2-19. Full-/high-speed Device Connect Detection
VIH
VSS
Device
Connected
Connect
Detected
D
D
+
tDCNN
Figure 2-20. Power-on and Connection Events Timing
tSIGATT
t1
tRSTRCY
D
+
or
D
Hub port
power OK
Attatch detected
Reset recovery
time
USB system software
reads device speed
≥ 4.01 V
VBUS
VIH (min)
VIH
Hub port
power-on
tATTDB
t2SUSP
tDRST
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