TX4939 Datasheet, PDF (536/756 Pages) Toshiba Semiconductor – 64-Bit TX System RISC

EMAC
Toshiba RISC Processor
TX4939
18.4.2. PCI Configuration Register group
Each PCI device has a configuration address space totaling 256 Bytes. The PCI specification prescribes the first 72
Bytes of this space in advance. An Ethernet Controller that has the wakeup service only uses the first 74-Byte address
space.
18.4.2.1. Vendor ID Register (Vend_ID) 0x00
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Name
RESEREVED
TYPE
Default
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Name
Vendor ID Number
TYPE
Default
R
0x102F
Figure 18-19 Vendor ID Register
The Vendor ID Register stores the ID code PCI SIG, which denotes Toshiba as the component manufacturer. This field is
set to 0x102F.
18.4.2.2. Device ID Register (Dev_ID)
0x02
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Name
RESERVED
TYPE
Default
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Name
Device ID Number
TYPE
Default
R
0x0032
Figure 18-20 Device ID Register
The Device ID Register stores a 16-bit value for identifying a particular device. The device ID number Toshiba allocated is
0x0032. The Class Code Register stores the device's revision ID.
18
Rev. 3.3 May 18, 2007
18-38