XIO2221 Datasheet, PDF (46/196 Pages) Texas Instruments – PCI Express™ TO 1394b OHCI WITH 1-PORT PHY

XIO2221
SCPS216A – JULY 2009 – REVISED FEBRAURY 2010
Reserved
Reserved
Table 4-1. Classic PCI Configuration Register Map (continued)
REGISTER NAME
Reserved
Control and diagnostic register 0⁽¹⁾
Control and diagnostic register 1⁽¹⁾
Control and diagnostic register 2⁽¹⁾
Reserved
Subsystem access⁽¹⁾
General control⁽¹⁾
TI proprietary⁽¹⁾
TI proprietary⁽¹⁾
Arbiter time-out status
Arbiter request mask⁽¹⁾
TI proprietary⁽¹⁾
Reserved
TI proprietary⁽¹⁾
Arbiter control⁽¹⁾
TI proprietary⁽¹⁾
Reserved
TI proprietary
Reserved
www.ti.com
OFFSET
0B8h-0BCh
0C0h
0C4h
0C8h
0CCh
0D0h
0D4h
0D8h
0DCh
0E0h
0E4h
0E8h-0FCh
4.1 Vendor ID Register
This 16-bit read-only register contains the value 104Ch, which is the vendor ID assigned to TI.,
PCI register offset:
Register type:
00h
Read-only
Default value:
104Ch
BIT NUMBER
RESET STATE
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
0
0
0
1
0
0
0
0
0
1
0
0
1
1
0
0
4.2 Device ID Register
This 16-bit read-only register contains the value 823Eh, which is the device ID assigned by TI for the
bridge.,
PCI register offset: 02h
Register type:
Default value:
Read only
823Eh
BIT NUMBER
RESET STATE
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
1
0
0
0
0
0
1
0
0
0
1
1
0
0
0
1
4.3 Command Register
The command register controls how the bridge behaves on the PCIe interface. See Table 4-2 for a
complete description of the register contents.
PCI register offset:
Register type:
04h
Read only, Read/Write
Default value:
0000h
BIT NUMBER
RESET STATE
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
46
Classic PCI Configuration Space
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