AX99100QI datasheet(30/70 Pages) ASIX

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AX99100

PCIe to Multi I/O Controller

Revision ID (0x06)

Bit

Description

7:0

Revision ID.

This field will be loaded into PCIe Configuration Space offset 0x08 (Revision ID).

Hardware Default Value: 0x00

Programming IF_Fx (0x07, 0x1B, 0x2F, 0x43)

Bit

Description

7:0

Programming Interface_Fx.

This field will be loaded into PCIe Configuration Space offset 0x09 (Programming Interface).

Hardware Default Value:

0x02: For all SP mode.

0x03: For “Programming Interface_F3” in PP mode.

0x00: Others (includes “Programming Interface_F0” in PP or LB mode and “Programming

Interface_F2” in SPI mode).

Note: Only “Programming Interface_F0” existed in LB mode.

Sub-Class Code_Fx (0x08, 0x1C, 0x30, 0x44)

Bit

Description

7:0

Sub-Class Code_Fx.

This field will be loaded into PCIe Configuration Space offset 0x0A (Sub-Class).

Hardware Default Value:

0x80: For “Sub-Class Code_F0” in LB mode.

0x01: For “Sub-Class Code_F2” in PP mode.

0x00: Others (includes “Sub-Class Code_F3” in SPI mode and all SP mode).

Note: Only “Sub-Class Code_F0” existed in LB mode.

Base Class Code_Fx (0x09, 0x1D, 0x31, 0x45)

Bit

Description

7:0

Base Class Code_Fx.

This field will be loaded into PCIe Configuration Space offset 0x0B (Base Class).

Hardware Default Value:

0x07: For all SP mode and “Base Class Code_F2” in PP mode.

0x06: For “Base Class Code_F0” in LB mode

0xFF: For “Base Class Code_F3” in SPI mode

0x00: Others

Note: Only “Base Class Code_F0” existed in LB mode.

Subsystem Vendor ID_Fx (0x0B~0x0A, 0x1F~0x1E, 0x33~0x32, 0x47~0x46)

Bit

Description

15:0

Subsystem Vendor ID_Fx.

This field will be loaded into PCIe Configuration Space offset 0x2C (Subsystem Vendor ID).

Hardware Default Value: 0xA000

Note: Only “Subsystem Vendor ID_F0” existed in LB mode and if the function has been disabled

this file should be set to 0x0000.

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