FW322 Datasheet, PDF (25/148 Pages) Agere Systems – 1394A PCI PHY/Link Open Host Controller Interface

Data Sheet, Rev. 1
February 2001
FW322
1394A PCI PHY/Link Open Host Controller Interface
Internal Registers (continued)
Class Code and Revision ID Register
The class code register and revision ID register categorizes the FW322 as a serial bus controller (0Ch),
controlling an IEEE 1394 bus (00h), with an OHCI programming model (10h). Furthermore, the chip revision is
indicated in the lower byte.
Table 9. Class Code and Revision ID Register
Bit
Field
Name
Type
Default
31
BASECLASS
R
0
30
R
0
29
R
0
28
R
0
27
R
1
26
R
1
25
R
0
24
R
0
23
SUBCLASS
R
0
22
R
0
21
R
0
20
R
0
19
R
0
18
R
0
17
R
0
16
R
0
15
PGMIF
R
0
14
R
0
13
R
0
12
R
1
11
R
0
10
R
0
9
R
0
8
R
0
7
CHIPREV
R
0
6
R
0
5
R
0
4
R
0
3
R
0
2
R
0
1
R
0
0
R
0
Register:
Type:
Offset:
Default:
Class code and revision ID register
Read only
08h
0C00 1000h
Lucent Technologies Inc.
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