Ethernet control and status registers – Digi NS9750 User Manual

Page 361

Advertising
background image

w w w . d i g i e m b e d d e d . c o m

3 3 7

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

Ethernet Control and Status registers

Table 205 shows the address for each Ethernet controller register. All configuration
registers must be accessed as 32-bit words and as single accesses only. Bursting is not
allowed.

Address

Register

Description

A060 0000

EGCR1

Ethernet General Control Register #1

A060 0004

EGCR2

Ethernet General Control Register #2

A060 0008

EGSR

Ethernet General Status register

A060 000C–A060 0014

Reserved

A060 0018

ETSR

Ethernet Transmit Status register

A060 001C

ERSR

Ethernet Receive Status register

A060 0400

MAC1

MAC Configuration Register #1

A060 0404

MAC2

MAC Configuration Register #2

A060 0408

IPGT

Back-to-Back Inter-Packet-Gap register

A060 040C

IPGR

Non-Back-to-Back Inter-Packet-Gap register

A060 0410

CLRT

Collision Window/Retry register

A060 0414

MAXF

Maximum Frame register

A060 0418

SUPP

PHY Support register

A060 041C

Reserved

A060 0420

MCFG

MII Management Configuration register

A060 0424

MCMD

MII Management Command register

A060 0428

MADR

MII Management Address register

A060 042C

MWTD

MII Management Write Data register

A060 0430

MRDD

MII Management Read Data register

A060 0434

MIND

MII Management Indicators register

A060 0440

SA1

Station Address Register #1

A060 0444

SA2

Station Address Register #2

Table 205: Ethernet Control and Status register map

Advertising