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STUSB1602 Folha de dados(PDF) 34 Page - STMicroelectronics

Nome de Peças STUSB1602
Descrição Electrónicos  Power hubs and docking stations
PDF  55 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STUSB1602 Folha de dados(HTML) 34 Page - STMicroelectronics

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Application
STUSB1602
34/55
DocID028319 Rev 2
Device state according to application state
The value of the CC1 and CC2 pins is defined from a termination perspective and corresponds to the
termination presented by the connected device. The CC_CONNECTION_STATUS register can report
other values than the one presented in Table 20. In this table, it reflects the state transitions in Type-C
FSM that can be ignored from the application stand point.
Table 20. Source power role with accessory support
Connection
state
CC1
pin
CC2
pin
Type-C
device state
CC_OPERATION_STATUS
register @11h
A_B_SIDE
pin
VCONN
supply
VBUS_EN_SRC
pin
CC_CONNECTION_STATUS
register @0Eh
Nothing
attached
Open Open
Unattached.SRC
HiZ
OFF
HiZ
00h
Sink
attached
Rd
Open
Attached.SRC
HiZ
OFF
0
2Dh
Open
Rd
0
OFF
0
2Dh
Powered
cable
without sink
attached
Open
Ra
Unattached.SRC
HiZ
OFF
HiZ
00h
Ra
Open
HiZ
OFF
HiZ
00h
Powered
cable with
sink
attached or
VCONN-
powered
accessory
attached
Rd
Ra
Attached.SRC
HiZ
CC2
0
2Fh
Ra
Rd
0
CC1
0
2Fh
Debug
accessory
mode
attached
source role
Rp
Rp
Unattached.SRC
HiZ
OFF
HiZ
00h
Debug
accessory
mode
attached
sink role
Rd
Rd
UnorientedDebug
Accessory.SRC
HiZ
OFF
0
6Dh
Debug
accessory
mode
attached
sink role
Rd
≤ Ra
OrientedDebug
Accessory.SRC
HiZ
OFF
0
6Dh
≤ Ra
Rd
0
OFF
0
6Dh
Audio
adapter
accessory
mode
attached
Ra
Ra
Audio accessory
HiZ
OFF
HiZ
81h



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