Digi NS9750 User Manual

Page 362

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E t h e r n e t C o n t r o l a n d S t a t u s r e g i s t e r s

3 3 8

N S 9 7 5 0 H a r d w a r e R e f e r e n c e

A060 0448

SA3

Station Address register #3

A060 0500

SAFR

Station Address Filter register

A060 0504

HT1

Hash Table Register #1

A060 0508

HT2

Hash Table Register #2

A060 0680

STAT

Statistics Register Base (45 registers)

A060 0A00

RXAPTR

RX_A Buffer Descriptor Pointer register

A060 0A04

RXBPTR

RX_B Buffer Descriptor Pointer register

A060 0A08

RXCPTR

RX_C Buffer Descriptor Pointer register

A060 0A0C

RXDPTR

RX_D Buffer Descriptor Pointer register

A060 0A10

EINTR

Ethernet Interrupt Status register

A060 0A14

EINTREN

Ethernet Interrupt Enable register

A060 0A18

TXPTR

TX Buffer Descriptor Pointer register

A060 0A1C

TXRPTR

TX Recover Buffer Descriptor Pointer register

A060 0A20

TXERBD

TX Error Buffer Descriptor Pointer register

A060 0A24

Reserved

A060 0A28

RXAOFF

RX_A Buffer Descriptor Pointer Offset register

A060 0A2C

RXBOFF

RX_B Buffer Descriptor Pointer Offset register

A060 0A30

RXCOFF

RX_C Buffer Descriptor Pointer Offset register

A060 0A34

RXDOFF

RX_D Buffer Descriptor Pointer Offset register

A060 0A38

TXOFF

Transmit Buffer Descriptor Pointer Offset register

A060 0A3C

RXFREE

RX Free Buffer register

A060 1000

TXBD

TX Buffer Descriptor RAM (256 locations)

Address

Register

Description

Table 205: Ethernet Control and Status register map

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