參數(shù)資料
型號: FUSB2805MLX
廠商: Fairchild Semiconductor
文件頁數(shù): 26/49頁
文件大?。?/td> 0K
描述: TXRX USB2.0 HS OTG ULPI 32MLP
標(biāo)準(zhǔn)包裝: 1
系列: *
其它名稱: FUSB2805MLXFSDKR
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FUSB2805 Rev. 1.0.3
32
F
USB2
8
0
5
USB2
.0
High
-S
pee
d
OTG
Tra
nsc
e
iv
e
rw
ith
UL
P
I
Inter
fac
e
Pull-Up and Pull-Down Resistors
The FUSB2805 integrates the DP and DM termination
resistors required to initiate data line pulsing. The pull-
up and pull-down resistors are connected according to
Please refer to ULPI specifications, section 3.8.7, for
details on OTG functionality with respect to ULPI or
OTG supplement Rev. 1.3 for USB2.0. Please refer to
ULPI specifications section 3.8.7.3 for further detail on
OTG VBUS comparator thresholds.
Table 13. RXCMD VBUS_VALID Over-Current Conditions
Typical
Application
UseExternal
VBUSIndicator
IndicatorPass
Thru
Indicator
Complement
RXCMD VBUS Valid Source
OTG Device
0
Dont Care
Internal VA_VBUS_VLD comparator
1
0
External active HIGH VA_VBUS_VLD signal
1
External active LOW VA_VBUS_VLD_N signal
1
0
1
External active HIGH power fault signal
qualified with internal VA_VBUS_VLD
comparator
1
0
External active LOW power fault signal
qualified with internal VA_VBUS_VLD
comparator
Standard Host
1
0
External active HIGH power fault signal
1
External active LOW power fault signal
Standard
Peripheral
0
Dont Care
Internal VA_VBUS_VLD comparator
Internal VbusValid
VBUS
ExternalVbusIndicator (Fault)
IndicatorComplement
ComplementOutput
(UseExternalVbusIndicator, Indicator PassThru)
RXCMD VbusValid
(0,X)
(1,0)
(1,1)
+
-
Figure 20.
Graphical Representation of the RXCMD VBUS-Valid
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