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Figure 8.1 little endian byte ordering, Figure 8.2 big endian byte ordering, Datasheet – SMSC LAN9311i User Manual

Page 101: Bit little endian, Bit big endian

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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Datasheet

SMSC LAN9311/LAN9311i

101

Revision 1.4 (08-19-08)

DATASHEET

.

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Figure 8.1 Little Endian Byte Ordering

Figure 8.2 Big Endian Byte Ordering

16-BIT LITTLE ENDIAN

(END_SEL = 0)

0

1

2

3

0

1

2

3

0

7

8

15

0

7

8

15

16

23

31

24

A[1] = 0

A[1] = 1

MSB

LSB

HOST DATA BUS

INTERNAL ORDER

16-BIT BIG ENDIAN

(END_SEL = 1)

0

1

2

3

0

7

8

15

16

23

31

24

3

2

1

0

0

7

8

15

A[1] = 0

A[1] = 1

MSB

LSB

HOST DATA BUS

INTERNAL ORDER

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