TUSB1104 datasheet(5/55 Pages) TI

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Table 4-1. Pin Functions (continued)

TYPE(1)

DESCRIPTION

NAME

NO.

No internal connection.

CTX1p

Differential positive output for USB port 1. Should be connected to TX1p pin of USB

connector through an external 220 nF AC-coupling capacitor.

CTX1n

Differential negative output for USB port 1. Should be connected to TX1n pin of USB

connector through an external 220 nF AC-coupling capacitor.

SSEQ0/A0

4-level I

(PU/PD)

In I2C mode, this pin along with A1 pin selects the 7-bit I2C target address (refer to Table

7-8). In pin-strap mode, this pin along with SSEQ1 selects the receiver EQ for SSTX1

and/or SSTX2 (refer to Table 7-3).

CRX2n

Differential negative input for USB port 2. Should be connected to RX2n pin of USB

connector. Connection can be DC-coupled to USB connector. Optionally, connection can

be through an external 330 nF AC-coupling capacitor.

CRX2p

Differential positive input for USB port 2. Should be connected to RX2p pin of USB

connector. Connection can be DC-coupled to USB connector. Optionally, connection can

be through an external 330 nF AC-coupling capacitor.

CEQ0

4-level I

(PU/PD)

In pin-strap mode, this pin along with CEQ1 selects the receiver EQ for CRX1 and/or

CRX2 (Refer to Table 7-2).

CTX2n

Differential negative output for USB port 2. Should be connected to TX2n pin of USB

connector through an external 220 nF AC-coupling capacitor.

CTX2p

Differential positive output for USB port 2. Should be connected to TX2p pin of USB

connector through an external 220 nF AC-coupling capacitor.

Thermal Pad

Thermal pad. Connect to a solid ground plane.

(1)

I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power, PD = Internal Pull-down, PU = Internal Pull-up.

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TUSB1104

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