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MIC2551A-2.5 Datasheet, PDF (3/10 Pages) Micrel Semiconductor – USB Transceiver
MIC2551A-2.5
Micrel, Inc.
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
Function
Normal transmit mode.
Normal receive mode.
Low power state.
Receiving during suspend (low power
state) (Note 1)
Note 1. During suspend, VP and VM are active in order to detect out-of-band signaling conditions.
Table 1. Function Selection
OE# = 0:
Input
VP
VM
0
0
0
1
1
0
1
1
OE# = 1:
Input
D+
D–
0
0
0
1
1
0
1
1
X - Undefined
Output
D+
D–
RCV
0
0
X
0
1
0
1
0
1
1
1
X
Output
VP
VM
RCV
0
0
X
0
1
0
1
0
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
March 2006
3
M9999-031306