TUSB7340 datasheet(45/122 Pages) TI2

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8.1.18 Interrupt Line Register

This read/write register is programmed by the system and indicates to the software which interrupt line the

TUSB73X0 has been assigned. The default value of this register is FFh, indicating that an interrupt line has not

yet been assigned to the function

PCI register offset: 3Ch

Default value: FFh

Table 8-25. PCI Register 3Ch

Bit No.

Reset State

8.1.19 Interrupt Pin Register

The Interrupt Pin register is read-only 01h indicating that the TUSB73X0 uses INTA.

PCI register offset: 3Dh

Default value: 01h

Table 8-26. PCI Register 3Dh

Bit No.

Reset State

8.1.20 Min Grant Register

This read-only register has no meaningful context for a PCI Express device and returns zeros when read.

PCI register offset: 3Eh

Default value: 00h

Table 8-27. PCI Register 3Eh

Bit No.

Reset State

8.1.21 Max Latency Register

This read-only register has no meaningful context for a PCI Express device and returns zeros when read.

PCI register offset: 3Fh

Default value: 00h

Table 8-28. PCI Register 3Fh

Bit No.

Reset State

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TUSB7320, TUSB7340

SLLSE76Q – MARCH 2011 – REVISED MARCH 2024

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