TUSB216I datasheet(4/32 Pages) TI

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Table 5-1. Pin Functions (continued)

I/O

INTERNAL

PULLUP/PULLDOWN

DESCRIPTION

NAME

NO.

D2M

I/O

N/A

USB High-speed negative port.

GND

N/A

Ground

D1M

I/O

N/A

USB High-speed negative port..

D1P

I/O

N/A

USB High-speed positive port.

SDA1

I/O

500 kΩ PU

1.8 MΩ PD

I2C Mode:

Bidirectional I2C data pin [7-bit I2C slave address = 0x2C].

In non I2C mode:

Reserved for TI test purpose.

VCC

N/A

Supply power

RSTN

500 kΩ PU

1.8 MΩ PD

Device disable/enable.

Low – Device is at reset and in shutdown, and

High - Normal operation.

Recommend 0.1-µF external capacitor to GND to ensure clean

power on reset if not driven. If the pin is driven, it must be held low

until the supply voltage for the device reaches within specifications.

SCL1/CD

I/O

When RSTN asserted there is

a 500 kΩ PD

In I2C mode:

I2C clock pin [I2C address = 0x2C].

Non I2C mode:

After reset: Output CD. Flag indicating that a USB device is attached

(connection detected). Asserted from an unconnected state upon

detection of DP or DM pull-up resistor. De-asserted upon detection of

disconnect.

1. Pull-up resistors for SDA and SCL pins in I2C mode should be RPull-up (depending on I2C bus voltage). If

both SDA and SCL are pulled up at power-up the device enters into I2C mode.

2. Pull-down and pull-up resistors for RX_SEN pin must follow RRXSEN1 and RRXSEN2 resistor recommendations

in non I2C mode.

TUSB216I

SLLSFM9 – MARCH 2021

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