TUSB7320 datasheet(38/115 Pages) TI1

38 / 115 page

TUSB7320, TUSB7340

SLLSE76J – MARCH 2011 – REVISED MAY 2012

www.ti.com

4.22 Capability ID Register

This read-only register identifies the linked list item as the register for PCI Power management. The

PCI register offset: 40h

Default value: 01h

Table 4-29. PCI Register 40h

Bit No.

Reset State

4.23 Next Item Pointer Register

The contents of this read-only register indicate the next item in the linked list of capabilities for the

TUSB73X0. This register reads 48h pointing to the MSI Capability registers.

PCI register offset: 41h

Default value: 48h

Table 4-30. PCI Register 41h

Bit No.

Reset State

4.24 Power Management Capabilities Register

The read-only register indicates the capabilities of the TUSB73X0 related to PCI power management.

PCI register offset: 42h

Default value: xxx3h

Table 4-31. PCI Register 42h

Bit

No.

Reset

State

Table 4-32. Power Management Capabilities Register Description

Bit

Field Name

Access

Description

PME# support. This five-bit field indicates the power states from which

15:11

PME_SUPPORT

the TUSB73X0 may assert PME#. If the AUX_DET pin is ‘1’, this field is

‘11111’. If the AUX_DET pin is ‘0’, this field is ‘01111’.

This bit returns a 1 when read, indicating that the function supports the

D2_SUPPORT

D2 device power state.

This bit returns a 1 when read, indicating that the function supports the

D1_SUPPORT

D1 device power state.

3.3 Vaux auxiliary current requirements. If the AUX_DET pin is ‘1’, this

8:6

AUX_CURRENT

field is 010. IF the AUX_DET pin is ‘0’, this field is ‘000’.

CLASSIC PCI CONFIGURATION SPACE

Submit Documentation Feedback

Product Folder Link(s): TUSB7320 TUSB7340

TUSB7320 Datasheet(PDF) 38 Page - Texas Instruments

TUSB7320 Datasheet(HTML) 38 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL