Vendor id register, Device id register – Altera PCI Compiler User Manual

Page 105

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Altera Corporation

User Guide Version 11.1

3–31

October 2011

Functional Description

Vendor ID Register

Vendor ID is a 16-bit read-only register that identifies the manufacturer of
the device. The value of this register is assigned by the PCI SIG; the
default value of this register is the Altera vendor ID value, which is
0x1172. However, by setting the ven_id value through the wizard, you
can change the value of the vendor ID register to your PCI SIG-assigned
vendor ID value. Refer to

Table 3–14

.

Device ID Register

Device ID is a 16-bit read-only register that identifies the device type. The
value of this register is assigned by the manufacturer. The default value
of the device ID register is 0x0004. You can change the value of the device
ID register through the wizard. Refer to

Table 3–15

.

Table 3–14. Vendor ID Register Format

Data Bit

Mnemonic

Read/Write

Definition

15..0

ven_id

Read

PCI vendor ID

Table 3–15. Device ID Register Format

Data Bit

Mnemonic

Read/Write

Definition

15..0

dev_id

Read

Device ID

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