JAJSOK5Q March 2011 – March 2024 TUSB7320 , TUSB7340
PRODUCTION DATA
This register is used to enable the override of the default de-emphasis, transmit swing, and receiver equalization settings for each of the USB 3.0 ports. This register is reset by a PCI Express reset (PERST#), a GRST#, or the internally-generated power-on-reset.
PCI register offset: ECh
Register type: Read/Write
Default value: 0000 0000h
Bit No. | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit No. | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
BIT | FIELD NAME | ACCESS | DESCRIPTION |
---|---|---|---|
31:27 | RSVD | r | Reserved. Returns zeros when read. |
26 | PORT4_EQ_OV(1) | rw | 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. |
25 | PORT4_SWING_OV(1) | rw | 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. |
24 | PORT4_DE_OV(1) | rw | 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 | r | Reserved. Returns zeros when read. |
18 | PORT3_EQ_OV(1) | rw | 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. |
17 | PORT3_SWING_OV(1) | rw | 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. |
16 | PORT3_DE_OV(1) | rw | 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 | r | Reserved. Returns zeros when read. |
10 | PORT2_EQ_OV(1) | rw | 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. |
9 | PORT2_SWING_OV(1) | rw | 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. |
8 | PORT2_DE_OV(1) | rw | 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 | r | Reserved. Returns zeros when read. |
2 | PORT1_EQ_OV(1) | rw | 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. |
1 | PORT1_SWING_OV(1) | rw | 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. |
0 | PORT1_DE_OV(1) | rw | 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. |