COM20020-5P Ver la hoja de datos (PDF) - SMSC -> Microchip

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COM20020-5P

ULANC Universal Local Area Network Controller with 2K x 8 On-Board RAM

SMSC -> Microchip 

TABLE 1 - READ REGISTER SUMMARY

REGISTER MSB

READ

LSB ADDRESS

STATUS

RI

X

X

POR TEST RECON TMA TA

00

DIAG.

MY-

NEW

STATUS

RECON DUPID RCVACT TOKEN EXCNAK TENTID NEXTID X

01

ADDRESS

AUTO-

PTR

RDDATA INC

X

X

X

A10

A9

A8

02

HIGH

ADDRESS

PTR

A7

A6

A5

A4

A3

A2

A1

A0

03

LOW

DATA

D7

D6

D5

D4

D3

D2

D1

D0

04

RESERVED X

X

X

X

X

X

X

X

05

CONFIG-

URATION

RESET CCHEN TXEN ET1

BACK- SUB- SUB-

ET2 PLANE AD1

AD0

06

TENTID

TID7 TID6 TID5 TID4 TID3 TID2 TID1 TID0

NODEID

NID7 NID6 NID5 NID4 NID3 NID2 NID1 NID0

07

FOUR

RCV_

SLOW

SETUP

P1MODE

ET3

CKP3 CKP2 CKP1

NAKS

ALL

ARB

NEXT

ID

NXTID7 NXTID6 NXTID5 NXTID4 NXTID3 NXTID2 NXTID1 NXTID0

Note: The SLOWARB bit of the Setup Register must be set for 5Mbps

operation.

20

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