LAN9312 Datasheet, PDF (100/458 Pages) SMSC Corporation – High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Data path operations for the supported endian configurations are illustrated in Figure 8.1, "Little Endian
Byte Ordering" and Figure 8.2, "Big Endian Byte Ordering".
.
32-BIT LITTLE ENDIAN
(END_SEL = 0)
INTERNAL ORDER
MSB
31
24 23
16 15
LSB
87
0
3
2
1
0
3
2
1
0
31
24 23
16 15
87
0
HOST DATA BUS
Figure 8.1 Little Endian Byte Ordering
.
32-BIT BIG ENDIAN
(END_SEL = 1)
INTERNAL ORDER
MSB
31
24 23
16 15
LSB
87
0
3
2
1
0
0
1
2
3
31
24 23
16 15
87
0
HOST DATA BUS
Figure 8.2 Big Endian Byte Ordering
Revision 1.2 (04-08-08)
100
DATASHEET
SMSC LAN9312