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DM9008

ISA/Plug & Play Super Ethernet Contoller

Davicom Semiconductor, Inc. 

ENC Register Address Assignments

Page 0 (PS1 = 0, PS0 = 0)

SA0-SA3

00H

01H

02H

03H

04H

05H

06H

07H

08H

09H

0AH

0BH

0CH

0DH

0EH

0FH

RD

Command (CR)

Current Local DMA

Address 0 (CLDA0)

Current Local DMA

Address 1 (CLDA1)

Boundary Pointer

(BNRY)

Transmit Status

Register (TSR)

Number of

Collisions Register

(NCR)

FIFO

Interrupt Status

Register (ISR)

Current Remote

DMA Address 0

(CRDA0)

Current Remote

DMA Address 1

(CRDA1)

Configuration

Register A

Configuration

Register B

Receive Status

Register (RSR)

Tally Counter 0

(Frame AlignmentÞ

Errors) (CNTR0)

Tally Counter 1

(CRC Errors)

(CNTR1)

Tally Counter 2

(Missed Packet

Errors) (CNTR2)

WR

Command (CR)

Page Start Register

(PSTART)

Page Stop Register

(PSTOP)

Boundary

Pointer(BNRY)

Transmit Page Start

Address (TPSR)

Transmit Byte

Count Register 0

(TBCR0)

Transmit Byte

Count Register 1

(TBCR1)

Interrupt Status

Register (ISR)

Remote Start

Address Register 0

(RSAR0)

Remote Start

Address Register 1

(RSAR1)

Remote Byte Count

Register 0 (RBCR0)

Remote Byte Count

Register 1 (RBCR1)

Receive Configura-

tion Register (RCR)

Transmit

Configuration

Register (TCR)

Data Configuration

Register (DCR)

Interrupt Mask

Register (IMR)

DM9008

ISA/Plug & Play Super Ethernet Contoller

Page 1 (PS1 = 0, PS0 = 1)

SA0-SA3

RD

WR

00H Command (CR)

Command (CR)

01H Physical Address Physical Address

Register 0 (PAR0) Register 0 (PAR0)

02H Physical Address Physical Address

Register 1 (PAR1) Register 1 (PAR1)

03H Physical Address Physical Address

Register 2 (PAR2) Register 2 (PAR2)

04H Physical Address Physical Address

Register 3 (PAR3) Register 3 (PAR3)

05H Physical Address Physical Address

Register 4 (PAR4) Register 4 (PAR4)

06H Physical Address Physical Address

Register 5 (PAR5) Register 5 (PAR5)

07H Current Page

Current Page

Register (CURR) Register (CURR)

08H Multicast Address Register 0

Register 0 (MAR0) (MAR0)Multicast

Address

09H Multicast Address Multicast Address

Register 1 (MAR1) Register 1 (MAR1)

0AH Multicast Address Multicast Address

Register 2 (MAR2) Register 2 (MAR2)

0BH Multicast Address Multicast Address

Register 3 (MAR3) Register 3 (MAR3)

0CH

Multicast Address Multicast Address

Register 4 (MAR4) Register 4 (MAR4)

0DH

Multicast Address Multicast Address

Register 5 (MAR5) Register 5 (MAR5)

0EH Multicast Address Multicast Address

Register 6 (MAR6) Register 6 (MAR6)

0FH Multicast Address Multicast Address

Register 7 (MAR7) Register 7 (MAR7)

8

Final

Version: DM9008-DS-F02

November 30, 2000

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