Digi NS9750 User Manual

Page 377

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E t h e r n e t C o m m u n i c a t i o n M o d u l e

PAD operation table for transmit frames

D02

R/W

HUGE

0

Huge frame enable

0

Transmit and receive frames are limited to the MAXF
value in the Maximum Frame register (see
"Maximum Frame register" on page 357).

1

Frames of any length are transmitted and received.

D01

R/W

Not used

0

Always write as 0.

D00

R/W

FULLD

0

Full-duplex

0

The MAC operates in half-duplex mode.

1

The MAC operates in full-duplex mode.

Type

AUTOP

VLANP

PADEN

Action

Any

X

X

0

No pad; check CRC

Any

0

0

1

Pad to 60 bytes; append CRC

Any

X

1

1

Pad to 64 bytes; append CRC

Any

1

0

1

If untagged, pad to 60 bytes; append CRC

If VLAN tagged, pad to 64 bytes; append CRC

Bits

Access

Mnemonic

Reset

Definition

Table 212: MAC Configuration Register #2

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