RTL8019AS-LF datasheet(9/51 Pages) REALTEK

Part #	RTL8019AS-LF

Description	Realtek Full-Duplex Ethernet Controller with Plug and Play Function

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Manufacturer	REALTEK [Realtek Semiconductor Corp.]

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RTL8019AS

Datasheet

2005-08-26

9

5. Register Descriptions

The registers in RTL8019AS can be roughly divided into two groups by their address and

functions -- one for NE2000, the other for Plug and Play (PnP).

5.1. Group 1: NE2000 Registers

This group includes 4 pages of registers which are selected by bit PS0 & PS1 in the CR register.

Each page contains 16 registers. Besides those registers compatible with NE2000, the

RTL8019AS defines some registers for software configuration and feature enhancement.

5.1.1. Register Table

No (Hex)

Page0

Page1

Page2

Page3

[R]

[W]

[R/W]

[R]

[W]

00

CR

01

CLDA0

PSTART

PAR0

PSTART

9346CR

02

CLDA1

PSTOP

PAR1

PSTOP

BPAGE

03

BNRY

PAR2

-

CONFIG0

-

04

TSR

TPSR

PAR3

TPSR

CONFIG1

05

NCR

TBCR0

PAR4

-

CONFIG2

06

FIFO

TBCR1

PAR5

-

CONFIG3

07

ISR

CURR

-

TEST

08

CRDA0

RSAR0

MAR0

-

CSNSAV

-

09

CRDA1

RSAR1

MAR1

-

HLTCLK

0A

8019ID0

RBCR0

MAR2

-

0B

8019ID1

RBCR1

MAR3

-

INTR

-

0C

RSR

RCR

MAR4

RCR

-

FMWP

0D

CNTR0

TCR

MAR5

TCR

CONFIG4

-

0E

CNTR1

DCR

MAR6

DCR

-

0F

CNTR2

IMR

MAR7

IMR

-

10-17

Remote DMA Port

18-1F

Reset Port

Notes: "-" denotes reserved. Registers with names typed in bold italic format are RTL8019AS

defined registers and are not supported in a standard NE2000 adapter.

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RTL8019AS-LF Datasheet(PDF) 9 Page - Realtek Semiconductor Corp.

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