STUSB1600 datasheet(10/69 Pages) STMICROELECTRONICS

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Inputs/outputs

STUSB1600

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DocID028937 Rev 1

2.3.4

RESET

Active high reset

2.3.5

I²C interface pins

2.3.6

GND

Ground

2.3.7

VBUS_VALID

This pin is asserted during attachment when the VBUS is detected on the VBUS_SENSE pin

and the VBUS voltage is within the valid operating range. The VBUS valid state is also

advertised in a dedicated I2C register bit (see Section 5.1: Register description).

2.3.8

ATTACH

This pin is asserted when a valid source-to-sink connection is established. It is also asserted

when a connection to an accessory device is detected. The attachment state is also

advertised in a dedicated I2C register bit (see Section 5.1: Register description).

2.3.9

DEBUG pins

These pins are asserted when a debug accessory device is detected according to the

running power role.

Table 4. I2C interface pin list

Name

Description

SCL

I²C clock, need external pull-up

SDA

I²C data

, need external pull-up

ALERT#

I²C interrupt, need external pull-up

ADDR0

I²C device address bit (see Section 4: I2C interface)

Table 5. Debug pin list

Name

Description

DEBUG1

Asserted when Type-C FSM is in DebugAccessory.SNK state in sink power role

DEBUG2

Asserted when Type-C FSM is in UnorientedDebugAccessory.SRC or

OrientedDebugAccessory.SRC states in source power role

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