STUSB06E datasheet(14/20 Pages) STMICROELECTRONICS

14 / 20 page

Functional tables

STUSB06E

14/20

Functional tables

Table 9.

Standard mode (see

Table 12)

SUSPEND

OE#

D+, D-

RCV

VP, VM

Function

Driving

Active

Normal driving

Receiving

Active

Receiving

Driving

Inactive (1)

In suspend mode the differential receiver is inactive and RCV is LOW.

Active

Driving during suspend (Differential receiver

inactive)

High-Z

Inactive (1)

Active

Low-power state

Table 10.

Standard mode driving (OE#=LOW)

FSE0

D+, D-

Differential logic 0

Differential logic 1

SE0

Table 11.

Standard mode receiving (OE#=HIGH)

D+,D-

RCV

Differential logic 0

Differential logic 1

SE0

RCV (1)

RCV holds the status it had just before SE0.

Table 12.

Pull-up setting mode (speed selection and charger detection)

Suspend

Softcon

Speed#

Function

No 1.5 k

Ω pull-up

USB standard mode, default

state

1.5 k

Ω pull-up

USB standard mode

No 1.5 k

Ω pull-up

USB standard mode

Pull-up ON (1.5 k

Ω) after detecting

SE0 RCV=”0”

Suspend, conditional pull-up

No 1.5 k

Ω pull-up

Suspend standard mode

1.5 k

Ω Pull-up

Suspend standard mode

No 1.5 k

Ω pull-up

Suspend standard mode

No 1.5 k

Ω pull-up, RCV=”0”

FS/X USB mode & Rwpu ON (150 k

Ω)

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