TUSB1002AI datasheet(3/38 Pages) TI2

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4 Pin Configuration and Functions

VCC

GND

CH1_EQ1

CH2_EQ2

CH1_EQ2

CH2_EQ1

CFG1

CFG2

DCBOOST#

GND

VCC

Not to scale

Thermal

Pad

Figure 4-1. RGE Package, 24-Pin VQFN (Top View)

Table 4-1. Pin Functions

TYPE

INTERNAL PULLUP

PULLDOWN

DESCRIPTION

NAME

NO.

RX1P

90Ω Differential

Input

—

Differential input for SuperSpeed (SS) and SuperSpeedPlus (SSP) positive

signals for Channel 1

RX1N

Differential input for SuperSpeed (SS) and SuperSpeedPlus (SSP) negative

signals for Channel 1

RX2P

90Ω Differential

Input

—

Differential input for SuperSpeed (SS) and SuperSpeedPlus (SSP) positive

signals for Channel 2

RX2N

Differential input for SuperSpeed (SS) and SuperSpeedPlus (SSP) negative

signals for Channel 2.

TX1P

90Ω Differential

Output

—

Differential output for SuperSpeed (SS) and SuperSpeedPlus (SSP) positive

signals for Channel 1.

TX1N

Differential output for SuperSpeed (SS) and SuperSpeedPlus (SSP) negative

signals for Channel 1.

TX2P

90Ω Differential

Output

—

Differential output for SuperSpeed (SS) and SuperSpeedPlus (SSP) positive

signals for Channel 2.

TX2N

Differential output for SuperSpeed (SS) and SuperSpeedPlus (SSP) negative

signals for Channel 2.

CH1_EQ1

I (4-level)

PU (approx 45K)

PD (approx 95K)

CH1_EQ1. Configuration pin used to control Rx EQ level for RX1P/N. The state

of this pin is sampled after the rising edge of EN. Refer to Figure 5-2 for details of

timing. This pin along with CH1_EQ2 allows for up to 16 equalization settings.

CH1_EQ2

I (4-level)

CH1_EQ2. Configuration pin used to control Rx EQ level for RX1P/N. The state

of this pin is sampled after the rising edge of EN. Refer to Figure 5-2 for details of

timing. This pin along with CH1_EQ1 allows for up to 16 equalization settings.

CH2_EQ1

I (4-level)

CH2_EQ1. Configuration pin used to control Rx EQ level for RX2P/N. The state

of this pin is sampled after the rising edge of EN. Refer to Figure 5-2 for details of

timing. This pin along with CH2_EQ2 allows for up to 16 equalization settings.

CH2_EQ2

I (4-level)

CH2_EQ2. Configuration pin used to control Rx EQ level for RX2P/N. The state

of this pin is sampled after the rising edge of EN. Refer to Figure 5-2 for details of

timing. This pin along with CH2_EQ1 allows for up to 16 equalization settings.

I (2-level)

PU (approx 400 K)

EN. Places TUSB1002A into shutdown mode when asserted low. Normal

operation when pin is asserted high. When in shutdown, TUSB1002A’s receiver

terminations are high impedance and tx/rx channels are disabled.

www.ti.com

TUSB1002A

SLLSF63C – MARCH 2018 – REVISED JULY 2024

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