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AX88790L датащи(PDF) 13 Page - ASIX Electronics Corporation

номер детали AX88790L
подробное описание детали  10/100BASE 3-in-1 PCMCIA Fast Ethernet Controller
PDF  60 Pages
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производитель  ASIX [ASIX Electronics Corporation]
домашняя страница  http://www.asix.com.tw
Logo ASIX - ASIX Electronics Corporation

AX88790L датащи(HTML) 13 Page - ASIX Electronics Corporation

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ASIX ELECTRONICS CORPORATION
13
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.
1.
EEPROM Memory Mapping
2.
Attribute Memory Mapping
3.
I/O Mapping
4.
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
RESERVED
10H – FFH
CIS
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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