參數(shù)資料
型號: uPD720114GA-YEU-A
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT
中文描述: 馬鞍山集成電路
文件頁數(shù): 26/32頁
文件大?。?/td> 269K
代理商: UPD720114GA-YEU-A
Data Sheet S17462EJ4V0DS
26
μ
PD720114
Figure 2-16. Low-/full-speed Disconnect Detection
D
/D
+
D
+
/D
V
IHZ
(min)
V
IL
V
SS
Device
Disconnected
Disconnect
Detected
t
DDIS
Figure 2-17. Full-/high-speed Device Connect Detection
V
IH
V
SS
Device
Connected
Connect
Detected
D
D
+
t
DCNN
Figure 2-18. Power-on and Connection Events Timing
t
SIGATT
Δ
t1
t
RSTRCY
D
+
or
D
Hub port
power OK
Attatch detected
Reset recovery
time
USB system software
reads device speed
4.01 V
V
BUS
V
IH
(min)
V
IH
Hub port
power-on
t
ATTDB
t
2SUSP
t
DRST
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