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STUSB1702 Folha de dados(PDF) 4 Page - STMicroelectronics

Nome de Peças STUSB1702
Descrição Electrónicos  USB Type-CTM source controller with TX/RX line driver and BMC
PDF  38 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STUSB1702 Folha de dados(HTML) 4 Page - STMicroelectronics

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Pin
Name
Type
Description
Typical connection
13
ADDR0
DI
I²C device address setting (see Section 5 I²C
interface)
Static
14
MISO
DI
Master in slave out: serial data from MCU to
STUSB1702 encoded in BMC to drive the CC
line
From MCU, ext. pull-up referenced
to MCU Vio
15
TX_EN
DI
TX enable, open drain active high to drive CC
line from the embedded BMC interface
From MCU, needs to be
maintained low by MCU or pulled
down when receiving standby
16
SCLK
DO
Serial clock to clock data transfer between
MCU and the STUSB1702. Open drain output
pin, needs external pull-up referenced to MCU
Vio
To MCU, ext. pull-up referenced to
MCU Vio
17
A_B_SIDE
OD
Cable orientation, active low open drain
USB super speed MUX select, ext.
pull-up
18
VBUS_SENSE
HV AI
VBUS voltage monitoring and discharge path
From VBUS
19
NC
HV AIO
Not connected
Open
20
VBUS_EN_SRC
HV AIO
VBUS source power path enable, active low
open drain
To switch or power system, ext.
pull-up
21
VREG_1V2
PWR
1.2 V internal regulator output
1 µF typ. decoupling capacitor
22
VSYS
PWR
Power supply from system
From power system, connect to
ground if not used
23
VREG_2V7
PWR
2.7 V internal regulator output
1 µF typ. decoupling capacitor
24
VDD
HV PWR
Main power supply from USB power line
From VBUS
-
EP
GND
Exposed pad is connected to ground
To ground
Table 2. Pin function descriptions
Type
Description
D
Digital
A
Analog
O
Output pad
I
Input pad
IO
Bidirectional pad
OD
Open drain output
PD
Pull-down
PU
Pull-up
HV
High voltage
PWR
Power
GND
Ground
2.3
Pin description
2.3.1
CC1 / CC2
CC1 and CC2 are the configuration channel pins used for connection and attachment detection, plug orientation
determination and system configuration management across USB Type-C cable.
STUSB1702
Pin description
DS12664 - Rev 1
page 4/38



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