21150
Figure 2. 21150 with Option Cards
LAN
Chip
LAN
Chip
LAN
Chip
LAN
Chip
S
21150
P
PCI Bus
PCI Bus
Note:
P – Primary Interface
S – Secondary Interface
LJ-05345.AI4
1.1
Architecture
The 21150 internal architecture consists of the following major functions:
• PCI interface control logic for the primary and secondary PCI interfaces
• Data path and data path control logic
• Configuration register and configuration control logic
• Secondary bus arbiter
Figure 3 shows the major functional blocks of the 21150, and Table 1 describes these blocks.
Preliminary Datasheet
3