SMSC LAN9420 - Manual (Page 24)

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08) 24 SMSC LAN9420/LAN9420i
DATASHEET
3.2.1 PCI Bridge (PCIB) Block Diagram
Figure 3.1 PCI Bridge Block Diagram
PCI
PCI Bridge (PCIB)
PCI
Configuration
Space CSR
PCI Target
PME Gating
Interrupt Gating
PM Signal (From PM)
IRQ (From INT)
To/From CSR Blocks
nPME
nINT
PM Related Signals
(To/From PM)
PCI Master
To/From DMAC Arbiter