TUSB1146 datasheet(34/68 Pages) TI2

34 / 68 page

TUSB1146

SLLSFB2 – APRIL 2020

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Programming (continued)

{ (0x0A, 0x90); }

8.5.2.3 Full AEQ with linear redriver mode

// (address, data)

// Initial power-on configuration.

(0x0A, 0x11), // EQ_OVERRIDE and USB3.1 default.

(0x1C, 0x83), //Full AEQ enable

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

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

(0x20, 0x11), // USB-C Rx1/Rx2 EQ. Not used in Full AEQ

(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); }

8.5.2.4 Full AEQ with limited redriver mode

// (address, data)

// Initial power-on configuration.

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

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

(0x1C, 0x83), //Full AEQ enable

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

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

(0x20, 0x11), // USB-C Rx1/Rx2 EQ. Not used in Full AEQ

(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)

TUSB1146 Datasheet(PDF) 34 Page - Texas Instruments

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