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Part Name
Description
MIC2551A(2004) View Datasheet(PDF) - Micrel
Part Name
Description
Manufacturer
MIC2551A
(Rev.:2004)
USB Transceiver
Micrel
MIC2551A Datasheet PDF : 11 Pages
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MIC2551A
Micrel
SUS
0
0
1
1
OE#
0
1
0
1
D+, D–
Driving
Receiving
Hi-Z
Hi-Z
RCV
Active
Active
0
0
VP/VM
Active
Active
Not active
Active
Note 1. During suspend VP and VM are active in order to detect out-of-band signaling conditions.
Table 1. Function Selection
Function
Normal transmit mode.
Normal receive mode.
Low power state.
Receiving during suspend (low power
state) (Note 1).
OE# = 0:
Input
VP
0
0
1
1
OE# = 1:
Input
D+
0
0
1
1
X - Undefined
Output
VM
D+
D-
RCV
0
0
0
X
1
0
1
0
0
1
0
1
1
1
1
X
Output
D-
VP
VM
RCV
0
0
0
X
1
0
1
0
0
1
0
1
1
1
1
X
Table 2. Truth Table During Normal Mode
Result
SE0
Logic 0
Logic 1
Undefined
Result
SE0
Logic 0
Logic 1
Undefined
May 2004
3
M9999-051004
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