Table 4−2. Functions 0 and 1 PCI Configuration Register Map (Continued)
REGISTER NAME
OFFSET
2Ch
CardBus I/O base register 0
CardBus I/O limit register 0
CardBus I/O base register 1
CardBus I/O limit register 1
30h
34h
38h
Bridge control †
Subsystem ID ‡
Interrupt pin
Interrupt line
3Ch
Subsystem vendor ID ‡
40h
PC Card 16-bit I/F legacy-mode base-address ‡
Reserved
44h
48h−7Ch
80h
System control †‡§
General control ‡§
General-purpose output ‡
Reserved
MC_CD debounce ‡
84h
General-purpose event
enable ‡
General-purpose event
status ‡
General-purpose input
Device control ‡§
88h
Multifunction routing status ‡
8Ch
90h
Diagnostic ‡§
Card control ‡§
Retry status ‡§
Capability ID
Reserved
94h−9Ch
A0h
Power management capabilities ‡
Next item pointer
Power management
control/status bridge support
extensions
Power management data
(Reserved)
A4h
Power management control/status †‡
Reserved
Serial bus slave address ‡
Reserved
A8h−ACh
B0h
Serial bus control/status ‡
Serial bus index ‡
Serial bus data ‡
B4h−FCh
†
One or more bits in this register are PME context bits and can be cleared only by the assertion of GRST when PME is enabled. If PME is not
enabled, then this bit is cleared by the assertion of PRST or GRST.
‡
§
One or more bits in this register are cleared only by the assertion of GRST.
One or more bits in this register are global in nature and must be accessed only through function 0.
4.2 Vendor ID Register
The vendor ID register contains a value allocated by the PCI SIG that identifies the manufacturer of the PCI device.
The vendor ID assigned to Texas Instruments is 104Ch.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Name
Type
Default
Vendor ID
R
0
R
0
R
0
R
1
R
0
R
0
R
0
R
0
R
0
R
1
R
0
R
0
R
1
R
1
R
0
R
0
Register:
Offset:
Type:
Vendor ID
00h (Functions 0, 1)
Read-only
Default:
104Ch
4−2