TUSB7340 datasheet(74/122 Pages) TI2

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Table 8-106. Custom PHY Transmit/Receive Control Register Description

BIT

FIELD NAME

ACCESS

DESCRIPTION

31:27

RSVD

Reserved. Returns zeros when read.

PORT4_EQ_OV(1)

Port 4 Equalization Override. When this bit is set to 1, the TUSB73X0

overrides the default equalization settings for port 4 with the values

in the PORT4_EQ_FUNC field and the PORT4_EQ_INIT field of the

Equalizer Control Register. For the TUSB7320 Port 4 is not present and

this bit has no effect.

PORT4_SWING_OV(1)

Port 4 Swing Override. When this bit is set to 1, the TUSB73X0

overrides the default swing settings for port 4 with the values in the

PORT4_SWING field of the De-emphasis and Swing Control Register.

For the TUSB7320 Port 4 is not present and this bit has no effect.

PORT4_DE_OV(1)

Port 4 De-emphasis Override. When this bit is set to 1, the TUSB73X0

overrides the default de-emphasis settings for port 4 with the values in

the PORT4_DE field of the De-emphasis and Swing Control Register.

For the TUSB7320 Port 4 is not present and this bit has no effect.

23:19

RSVD

Reserved. Returns zeros when read.

PORT3_EQ_OV(1)

Port 3 Equalization Override. When this bit is set to 1, the TUSB73X0

overrides the default equalization settings for port 3 with the values

in the PORT3_EQ_FUNC field and the PORT3_EQ_INIT field of the

Equalizer Control Register. For the TUSB7320 Port 3 is not present and

this bit has no effect.

PORT3_SWING_OV(1)

Port 3 Swing Override. When this bit is set to 1, the TUSB73X0

overrides the default swing settings for port 3 with the values in the

PORT3_SWING field of the De-emphasis and Swing Control Register.

For the TUSB7320 Port 3 is not present and this bit has no effect.

PORT3_DE_OV(1)

Port 3 De-emphasis Override. When this bit is set to 1, the TUSB73X0

overrides the default de-emphasis settings for port 3 with the values in

the PORT3_DE field of the De-emphasis and Swing Control Register.

For the TUSB7320 Port 3 is not present and this bit has no effect.

15:11

RSVD

Reserved. Returns zeros when read.

PORT2_EQ_OV(1)

Port 2 Equalization Override. When this bit is set to 1, the TUSB73X0

overrides the default equalization settings for port 2 with the values

in the PORT2_EQ_FUNC field and the PORT2_EQ_INIT field of the

Equalizer Control Register.

PORT2_SWING_OV(1)

Port 2 Swing Override. When this bit is set to 1, the TUSB73X0

overrides the default swing settings for port 2 with the values in the

PORT2_SWING field of the De-emphasis and Swing Control Register.

PORT2_DE_OV(1)

Port 2 De-emphasis Override. When this bit is set to 1, the TUSB73X0

overrides the default de-emphasis settings for port 2 with the values in

the PORT2_DE field of the De-emphasis and Swing Control Register.

7:3

RSVD

Reserved. Returns zeros when read.

PORT1_EQ_OV(1)

Port 1 Equalization Override. When this bit is set to 1, the TUSB73X0

overrides the default equalization settings for port 1 with the values

in the PORT1_EQ_FUNC field and the PORT1_EQ_INIT field of the

Equalizer Control Register.

PORT1_SWING_OV(1)

Port 1 Swing Override. When this bit is set to 1, the TUSB73X0

overrides the default swing settings for port 1 with the values in the

PORT1_SWING field of the De-emphasis and Swing Control Register.

PORT1_DE_OV(1)

Port 1 De-emphasis Override. When this bit is set to 1, the TUSB73X0

overrides the default de-emphasis settings for port 1 with the values in

the PORT1_DE field of the De-emphasis and Swing Control Register.

(1)

This bit is reset by a PCI Express reset (PERST), a GRST, or the internally generated power-on-reset.

TUSB7320, TUSB7340

SLLSE76Q – MARCH 2011 – REVISED MARCH 2024

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