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MX98726

SINGLE CHIP 10/100 FAST ETHERNET CONTROLLER WITH uP INTERFACE

Macronix International 

MX98726

Network Control Register : NCRB (Reg01h),R/W, default=01h

Bit

Symbol

1.0

PR*

1.1

CA*

1.2

PM*

1.3

PB*

1.4

AB*

1.5

HBD*

Reserved

Description

Promiscuous mode: Set to receive any incoming valid frames received, regardless of

its destination address. Default is set.

Capture Effect Mode: Set to enable an enhanced backoff algorithm to avoid network

capture effect.

Pass Multicast: Set to accept all multicast packets including broadcast address ( 1st

bit in destination address is 1 ), default is reset

Pass Bad Frame: Enable GMAC to accept Runt frame. Default is reset.

Accept Broadcast: Default is reset. Set to accept all broadcast packets.

Heart Beat Check Disable: Set to disable heart beat check in 10 Base-T mode, de-

fault is disable. Not used in 100 TX mode CRC error frame.

Must be 00.

P/N:PM0555

MACRONIX INTERNATIONAL CO., LTD. reserves the rignt to change product and specifications without notice.

10

REV. 0.9.8, FEB. 14, 2000

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