參數(shù)資料
型號: μPD9210FGC-7EA
廠商: NEC Corp.
英文描述: USB Host Controller(USB主控制器)
中文描述: USB主機(jī)控制器(的USB主控制器)
文件頁數(shù): 86/95頁
文件大?。?/td> 423K
代理商: ΜPD9210FGC-7EA
CHAPTER 6 ELECTRICAL CHARACTERISTICS
86
Table 6-11. AC Characteristics (USB Interface Block)
Parameter
Symbol
Conditions
MIN
MAX
Unit
Disconnect decision time
T
dis
2.5
μ
s
Connect decision time
T
con
2.5
μ
s
Rise time
Full speed
Low speed
T
R
C
L
= 50 pF
C
L
= 50 pF
C
L
= 350 pF
4
75
20
300
ns
ns
ns
Fall time
Full speed
Low speed
T
F
C
L
= 50 pF
C
L
= 50 pF
C
L
= 350 pF
4
75
20
300
ns
ns
ns
Rise/fall matching
Full speed
Low speed
T
RFM
(TR/TF)
(TR/TF)
90
80
110
120
%
%
Data rate
Full speed
Low speed
T
DRATE
11.97
1.4775
12.03
1.5225
Mbs
Mbs
Frame time interval
T
FRAME
0.9995
1.0005
ms
Jitter generated by differential driver
Full speed
Next Transition
Paired Transition
Low speed
Next Transition
Paired Transition
T
DJ1
T
DJ2
T
DDJ1
T
DDJ2
3.5
4.0
75
45
3.5
4.0
75
45
ns
ns
ns
ns
Transmitter EOP pulse width
Full speed
Low speed
T
EOPT
160
1.25
175
1.50
ns
μ
s
EOP pulse width skew
Full speed
Low speed
T
DEOP
2
40
5
100
ns
ns
Differential receiver’s allowable jitter
Full speed
Next Transition
Paired Transition
Low speed
Next Transition
Paired Transition
T
JR1
T
JR2
T
UJR1
T
UJR2
18.5
9
152
200
18.5
9
152
200
ns
ns
ns
ns
Receiver EOP pulse width
Full speed
Rejection value
Acceptance value
Low speed
Rejection value
Acceptance value
Note
T
EOPR1
T
EOPR2
T
EOPR1
T
EOPR2
40
> 40
330
> 330
ns
ns
ns
ns
Note
This applies up until the EOF1 token that defines the end of the Frame in the HUB. The rated Full Speed is
applied between EOF1 and EOF2.
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