OX9160
OXFORD SEMICONDUCTOR LTD.
4.2.1 PCI Configuration Space Register map
Configuration Register Description
Offset
Address
31
16
15
0
Device ID
Status
Vendor ID
Command
00h
04h
08h
0Ch
10h
14h
18h
1Ch
20h
24h
28h
2Ch
30h
34h
38h
3Ch
40h
44h
Class Code
Header Type
Base Address Register 0 (BAR0)
Base Address Register 1 (BAR 1)
Revision ID
Reserved
BIST1
Reserved
Base Address Register 2 (BAR 2) – Local Configuration Registers in IO space
Base Address Register 3 (BAR3) – Local Configuration Registers in Memory space
Reserved
Reserved
Reserved
Subsystem ID
Subsystem Vendor ID
Cap_Ptr
Reserved
Reserved
Reserved
Reserved
Reserved
Interrupt Pin
Next Ptr
Interrupt Line
Cap_ID
Power Management Capabilities (PMC)
Reserved
Reserved
PMC Control/Status Register (PMCSR)
Table 2: PCI Configuration space
Register name
Reset value
Program read/write
8-bit local bus 32-bit local bus
Parallel port
EEPROM
PCI
R
R
R/W
R/W
R
Vendor ID
Device ID
Command
Status
0x1415
0x9512
0x0000
0x0290
0x00
W
W
-
0x9511
0x9513
W (bit 4)
Revision ID
Class code
Header type
BAR 0
-
W
-
0x068000
0x068000
0x80
0x070101
R
R
0x00000001
0x00000000
0x00000001
0x00000000
0x1415
0x0000
0x40
-
-
-
-
W
W
-
R/W
R/W
R/W
R/W
R
BAR 1
BAR 2
BAR 3
Subsystem VID
Subsystem ID
Cap ptr.
R
R
Interrupt line
Interrupt pin
Cap ID
0x00
0x01
0x01
-
-
-
R/W
R
R
Next ptr.
0x00
-
R
PM capabilities
PMC control/
status register
0x6C01
0x0000
W
-
R
R/W
Table 3: PCI configuration space default values
Data Sheet Revision 1.22
Page 9
OXFORD [ OXFORD SEMICONDUCTOR ]
