XIO2000AI TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS], XIO2000AI Datasheet - Page 60

• Manufacturer Part Number: XIO2000AI
• Description: PCI Express to PCI Bus Translation Bridge
• Manufacturer: TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]

Classic PCI Configuration Space
4.1
4.2
50
SCPS155C
Vendor ID Register
This 16-bit read-only register contains the value 104Ch, which is the vendor ID assigned to Texas Instruments.
Device ID Register
This 16-bit read-only register contains the value 8231h, which is the device ID assigned by TI for the bridge.
† One or more bits in this register are reset by a PCI Express reset (PERST), a GRST, or the internally-generated power-on reset.
RESET STATE
RESET STATE
BIT NUMBER
BIT NUMBER
PCI register offset:
Register type:
Default value:
PCI register offset:
Register type:
Default value:
Reserved
Reserved
Serial IRQ edge control†
Table 4−1. PCI Express Configuration Register Map (Continued)
15
15
0
1
GPIO data†
Reserved
14
14
0
0
Arbiter time-out status
Clock run status†
13
13
0
0
00h
Read-only
104Ch
02h
Read-only
8231h
Control and diagnotic register 0†
Control and diagnotic register 1†
Control and diagnotic register 2†
12
12
1
0
Subsystem access†
REGISTER NAME
General control†
11
11
0
0
Reserved
Reserved
Reserved
10
10
0
0
Arbiter request mask†
9
0
9
1
Clock mask†
Reserved
8
0
8
0
Serial IRQ status
7
0
7
0
GPIO control†
6
1
6
0
Serial IRQ mode control†
5
0
5
1
Arbiter control†
Clock control†
April 2007 Revised October 2008
4
0
4
1
3
1
3
0
2
1
2
0
0B8h−0BCh
0E8h−0FCh
OFFSET
0CCh
0DCh
1
0
1
0
0B4h
0C0h
0C4h
0C8h
0D0h
0D4h
0D8h
0E0h
0E4h
0
0
0
1