SMSC LAN9420 - Manual (Page 84)

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08) 84 SMSC LAN9420/LAN9420i
DATASHEET
Figure 4.1 LAN9420/LAN9420i CSR Memory Map
M A C
C o n tro l a n d S ta tu s R e g is te rs
(M C S R 's )
B A + 7 C h
B A + 8 0 h
R E S E R V E D
(D O N O T U S E )
B A + 5 4 h
B A + B 0 h
B A
R E S E R V E D
(D O N O T U S E )
B A + 1 F C h
B A + 5 8 h
D M A C
C o n tro l a n d S ta tu s R e g is te rs
(D C S R 's )
S y s te m
C o n tro l a n d S ta tu s R e g is te rs
(S C S R 's )
B A + B 4 h
R E S E R V E D
(D O N O T U S E )
B A + B C h
B A + C 0 h
B A + 0 F C h
B A + 1 0 0 h
N o te :
B A R 3 – M e m S p a c e is 1 K B
B A R 4 – I/O S p a c e is 2 5 6 B