參數(shù)資料
型號: AX88790L
廠商: ASIX Electronics Corporation
英文描述: 10/100BASE 3-in-1 PCMCIA Fast Ethernet Controller
中文描述: 一個10/100Base 3合1的PCMCIA快速以太網(wǎng)控制器
文件頁數(shù): 13/60頁
文件大小: 633K
代理商: AX88790L
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
00H
01H
02H
03H
04H
05H
06H – 10H
10H – FFH
HIGH BYTE
RESERVED
CFH
NODE-ID1
NODE ID 3
NODE ID 5
CHECKSUM
RESERVED
CIS
LOW BYTE
WORD COUNT
CFL
NODE ID 0
NODE ID 2
NODE ID 4
RESERVED
RESERVED
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
0000H
03BFH
03C0H
LCOR
03C2H
LCCSR
03C4H
03C6H
03CAH
LIOBASE0
03CCH
LIOBASE1
03CEH
03DFH
03E0H
MCOR
03E2H
MCCSR
03E4H
03E6H
03EAH
MIOBASE0
03ECH
MIOBASE1
03EEH
03FFH
CONTENTS
CIS
-
-
RESERVED
-
-
RESERVED
Tab – 11 Attribute Memory Mapping
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