AX88790L datasheet(13/60 Pages) ASIX

tên linh kiện	AX88790L

Giải thích chi tiết về linh kiện	10/100BASE 3-in-1 PCMCIA Fast Ethernet Controller

PDF	60 Pages

Scroll/Zoom	100%

nhà sản xuất	ASIX [ASIX Electronics Corporation]

Trang chủ	http://www.asix.com.tw

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13 / 60 page

ASIX ELECTRONICS CORPORATION

AX88790 L

3-in-1 PCMCIA Fast Ethernet Controller

3.0 Memory and I/O Mapping

There are four memories or I/O mapping used in AX88790.

EEPROM Memory Mapping

Attribute Memory Mapping

I/O Mapping

Local Memory Mapping

3.1 EEPROM Memory Mapping

EEPROM OFFSET

HIGH BYTE

LOW BYTE

00H

RESERVED

WORD COUNT

01H

CFH

CFL

02H

NODE-ID1

NODE ID 0

03H

NODE ID 3

NODE ID 2

04H

NODE ID 5

NODE ID 4

05H

CHECKSUM

RESERVED

06H – 10H

RESERVED

10H – FFH

CIS

Tab – 10 EEPROM Memory Mapping

Note: bit 3 register of LCOR in AX88190 is replaced by bit 0 of CFL in AX88790

Bit 0 of CFL: Enable Power Down mode

This bit is set to 1; the LAN will go into power down mode. At power down mode AX88790 will disable MAC

transmitting and receiving operation. But the host interface will not be affected.

3.2 Attribute Memory Mapping

ATTRIBUTE MEMORY

OFFSET

CONTENTS

0000H

03BFH

CIS

03C0H

LCOR

03C2H

LCCSR

03C4H

03C6H

03CAH

LIOBASE0

03CCH

LIOBASE1

03CEH

03DFH

RESERVED

03E0H

MCOR

03E2H

MCCSR

03E4H

03E6H

03EAH

MIOBASE0

03ECH

MIOBASE1

03EEH

03FFH

RESERVED

Tab – 11 Attribute Memory Mapping

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