LAN9118MT Standard Microsystems (SMSC), LAN9118MT Datasheet - Page 35

• Manufacturer Part Number: LAN9118MT
• Manufacturer: Standard Microsystems (SMSC)

High-Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9118
FIELD
FIELD
15:0
The Filter i CRC-16 register contains the CRC-16 result of the frame that should pass Filter i.
Table 4.6
7:0
DESCRIPTION
Pattern Offset: The offset of the first byte in the frame on which CRC is checked
for wake-up frame recognition. The minimum value of this field must be 12 since
there should be no CRC check for the destination address and the source
address fields. The MAC checks the first offset byte of the frame for CRC and
checks to determine whether the frame is a wake-up frame. Offset 0 is the first
byte of the incoming frame's destination address.
DESCRIPTION
Pattern CRC-16: This field contains the 16-bit CRC value from the pattern and
the byte mask programmed to the wake-up filter register Function. This value is
compared against the CRC calculated on the incoming frame, and a match
indicates the reception of a wakeup frame.
describes the Filter i CRC-16 bit fields.
Table 4.6 Filter i CRC-16 bit definitions
Table 4.5 Filter i Offset bit definitions
FILTER I OFFSET DESCRIPTION
FILTER I CRC-16 DESCRIPTION
DATASHEET
35
Revision 1.0 (03-17-05)