AM79C940KCSLASHW datasheet(77/144 Pages) AMD

77 / 144 page

Interrupt Register

JAB

Jabber Error–Excessive transmit during (20–150ms)

BABL

Babble Error➔ 1518 bytes transmitted

CERR

Collision Error–No SQE Test Message

RCVCCO

Receive Collision Count Overflow–Red Add 27 overflow

RNTPCO

Runt Packet Count Overflow–Reg Addr 26 overflow

MPCO

Missed Packet Count Overflow–Reg Addr 24 overflow

RCVINT

Receive Interrupt–Host has read last byte of packet

XMTINT

Transmit Interrupt–Transmission is complete

IMR

Interrupt Mask Register

JABM

Jabber Error Mask

BABLM

Babble Error Mask

CERRM

Collision Error Mask

RCVCCOM

Receive Collision Count Overflow Mask

RNTPCOM

Runt Packet Count Overflow Mask

MPCOM

Missed Packet Count Overflow Mask

RCVINTM

Receive Interrupt Mask

XMTINTM

Transmit Interrupt Mask

R/W

Poll Register

XMTSV

Transmit Status Valid

TDTREQ

Transmit Data Transfer Request

RDTREQ

Receive Data Transfer Request

BIUCC

Bus Interface Unit Configuration Control

–

BSWP

Byte Swap

XMTSP–Transmit Start Point (2 bits)

Transmit after 4 bytes have been loaded

Transmit after 16 bytes have been loaded

Transmit after 64 bytes have been loaded

Transmit after 112 bytes have been loaded

SWRST

Software Reset

R/W

Addr Mnemonic

Contents

R/W

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