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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i 261 Revision 1.4 (08-19-08)
DATASHEET
14.2.9.2 Byte Order Test Register (BYTE_TEST)
This read-only register can be used to determine the byte ordering of the current configuration. Byte
ordering is a function of the host data bus width and endianess. Refer to Section 8.3, "Host Data Bus,"
on page 99 and Section 8.4, "Host Endianess," on page 100 for additional information on byte ordering.
Note: This register can be read while the LAN9311/LAN9311i is in the reset or not ready states.
Note: Either half of this register can be read without the need to read the other half.
The BYTE_TEST register can optionally be used as a dummy read register when assuring minimum
write-to-read or read-to-read timing. Refer to Section 8.5.2, "Special Restrictions on Back-to Back
Write-Read Cycles," on page 102 and Section 8.5.3, "Special Restrictions on Back-to-Back Read
Cycles," on page 106 for additional information.
Offset: 064h Size: 32 bits
BITS DESCRIPTION TYPE DEFAULT
31:0 Byte Test (BYTE_TEST)
This field reflects the current byte ordering
RO
87654321h