STUSB02E Просмотр технического описания (PDF) - STMicroelectronics
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STUSB02E Datasheet PDF : 20 Pages
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STUSB02E
3 Functional tables
Functional tables
Table 2. Function selection
SUS
OE#
D+, D-
RCV
VP/VM
Function
L
L
Driving
Active
Active Normal transmit mode
L
H
Receiving Active
Active Normal receive mode
H
L
Hi-Z
L
Not Active Low power state
H
H
Hi-Z
L
Active Receiving during suspend (low power state) (1)
(1) During suspend VP and VM are active in order to detect out of band signalling conditions
Table 3. Truth table during normal mode
OE# = L
Input
VP
VM
D+
L
L
L
L
H
L
H
L
H
H
H
X
OE# = H
Input
D+
D-
VP
L
L
L
L
H
L
H
L
H
H
H
X
X = Undefined
Output
D-
L
H
L
X
Output
VM
L
H
L
X
RCV
X
L
H
X
RCV
X
L
H
X
RESULT
SE0
Logic Low
Logic High
Undefined
Result
SE0
Logic Low
Logic High
Undefined
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