TUSB1146 datasheet(33/68 Pages) TI2

33 / 68 page

TUSB1146

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SLLSFB2 – APRIL 2020

Product Folder Links: TUSB1146

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Programming (continued)

(0x21, 0x05), // SSTX receiver EQ.

// Controls when selecting between USB and DP modes.

If (USBonly_normal)

{ (0x0A,0x11); }

Else if (USBonly_flip)

{ (0x0A, 0x15); }

Else if (Dponly_normal)

{ (0x0A, 0x12); }

Else if (Dponly_flip)

{ (0x0A, 0x16); }

Else if (DPUSB_normal)

{ (0x0A, 0x13); }

Else if (DPUSB_flip)

{ (0x0A,0x17); }

Else // Nothing connected to Type-C

{ (0x0A, 0x10); }

8.5.2.2 Fast AEQ with limited redriver mode

// (address, data)

// Initial power-on configuration.

(0x0A, 0x91), // EQ_OVERRIDE and USB3.1 default.

(0x0B, 0x24), // Pre-shoot and De-emphasis control

(0x1C, 0x81), // Fast AEQ enable

(0x10, 0x55), // DP lanes 0 and 1 EQ

(0x11, 0x55), // DP lanes 2 and 2 EQ

(0x1D, 0x10), // FASTAEQ_LIMITS to 80mV

(0x1E, 0x55), // USB-C Rx1/Rx2 Long channel EQ.

(0x20, 0x00), // USB-C Rx1/Rx2 Short channel EQ.

(0x21, 0x05), // SSTX receiver EQ.

(0x32, 0x40), // VOD Control.

// Controls when selecting between USB and DP modes.

If (USBonly_normal)

{ (0x0A,0x91); }

Else if (USBonly_flip)

{ (0x0A, 0x95); }

Else if (Dponly_normal)

{ (0x0A, 0x92); }

Else if (Dponly_flip)

{ (0x0A, 0x96); }

Else if (DPUSB_normal)

{ (0x0A, 0x93); }

Else if (DPUSB_flip)

{ (0x0A,0x97); }

Else // Nothing connected to Type-C

TUSB1146 Datasheet(PDF) 33 Page - Texas Instruments

TUSB1146 Datasheet(HTML) 33 Page - Texas Instruments

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