Datasheet

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
Revision 1.92 (06-27-11) 72 SMSC LAN91C111 REV C
DATASHEET
8.24 Bank 3 - Revision Register
CHIP - Chip ID. Can be used by software drivers to identify the device used.
REV - Revision ID. Incremented for each revision of a given device.
8.25 Bank 3 - RCV Register
RCV DISCRD - Set to discard a packet being received. Will discard packets only in the process of
being received. When set prior to the end of receive packet, bit 4 (RXOVRN) of the interrupt status
register will be set to indicate that the packet was discarded. Otherwise, the packet will be received
normally and bit 0 set (RCVINT) in the interrupt status register. RCV DISCRD is self clearing.
MBO - Must be 1.
OFFSET NAME TYPE SYMBOL
A REVISION REGISTER READ ONLY REV
HIGH
BYTE
00110011
LOW
BYTE
CHIP REV
10010010
OFFSET NAME TYPE SYMBOL
C RCV REGISTER READ/WRITE RCV
HIGH
BYTE
Reserved
00000000
LOW
BYTE
RCV
DISCRD
Reserved Reserved MBO MBO MBO MBO MBO
00011111