Table 16. status and control register descriptions, Cs8900a – Cirrus Logic CS8900A User Manual

Page 52

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52

DS271F5

CS8900A

Crystal LAN™ Ethernet Controller

CIRRUS LOGIC PRODUCT DATASHEET

Control and Configuration Bits

Register

F

E

D

C

B

A

9

8

7

6

Number

(Offset)

Name

Reserved (register contents undefined)

1

Extra

dataiE

RuntiE

CRC

erroriE

Buffer

CRC

AutoRx

DMAE

RxDMA

only

RxOKiE StreamE Skip_1

3

(0102h)

RxCFG

Extra

dataA

RuntA

CRC

errorA

Broad

castA

Individ

ualA

Multi

castA

RxOKA

Promis

cuousA

IAHa-

shA

5

(0104h)

RxCTL

16colli

E

AnycolliE

Jab

beriE

Out-of-

windowiE

TxOKiE SQErro-

riE

Loss-of-

CRSiE

7

(0106h)

TxCFG

TxPad-

Dis

Inhibit-

CRC

Onecoll

Force

TxStart

9

(0108h)

TxCMD

RxDe

stiE

Miss

OvfloiE

TxCol

OvfloiE

Rx128iE

Rxmis-

siE

TxUnder-

runiE

Rdy4Txi

E

RxD-

MAiE

SWint-X

B

(010Ah)

BufCFG

Reserved (register contents undefined)

D-11

LoRx

Squelch

2-part

DefDis

Polarity

Dis

Mod

BackoffE

Auto-

AUI/10B

T

AUIonly

Ser

TxON

Ser

RxON

13

(0112h)

Line
CTL

HCB1

HCB0

HC1E

HC0E

HWStan

dbyE

HW

SleepE

SW Sus-

pend

RESET

15

(0114h)

SelfCTL

Enabl

e IRQ

RxDMA

size

IOCH

RDYE

DMA

Burst

Memo-

ryE

UseSA

DMAex-

tend

Reset

RxDMA

17

(0116)

BusCTL

FDX

Disable
Backoff

AUIloop

ENDEC

loop

Disable

LT

19

(0118)

TestCTL

Reserved (register contents undefined)

1B -1F

Table 16. Status and Control Register Descriptions

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