參數(shù)資料
型號(hào)： AX88196BLF
廠商： ASIX Electronics Corporation
英文描述： Low-pin-count Non-PCI 8/16-bit 10/100M Fast Ethernet Controller with MII Interface
中文描述： 低引腳數(shù)不符合信息產(chǎn)業(yè)部的PCI接口16位產(chǎn)品個(gè)10/100M快速以太網(wǎng)控制器
文件頁數(shù)： 10/86頁
文件大?。?/td> 551K
代理商： AX88196BLF
ASIX ELECTRONICS CORPORATION
10
AX88196BLF
3.0 Memory and CSR Mapping
1.
EEPROM Memory Mapping
2.
CSR Mapping
3.
Local Memory Mapping
3.1 EEPROM Memory Mapping
EEPROM interface can access via CSR offset 14h SMI/EEPROM registers when auto load operation completed.
The content of EEPROM data will be auto-loaded to internal memory from 0000h to 001Fh and from 0400h to
040Fh automatically when hardware reset. It is similar to NE2000 PROM store Ethernet address. The real MAC
address must configured by PAR0 ~ PAR5 (CR page1 offset1 ~ offset6). The auto-loader only write to internal
SRAM not write to PAR0 ~ PAR5. An example as below, if the desired Ethernet physical address is
10-32-54-76-98-BA
It is a programmed EEPROM if auto-load value is 5AA5h from EEPROM address 0h. After hardware reset the
EEPROM loader will read first word and check pattern 5AA5h. If the first word value not equal to 5AA5h then the
EEPROM loader proclaimed that no external EEPROM or external EEPROM is a non-programmed EEPROM.
Addr
Bits
D[15:8]
D[7:0]
5h
[15:0]
BAh
98h
MAC address 6
th
, 5
th
4h
[15:0]
76h
54h
MAC address 4
th
, 3
rd
3h
[15:0]
32h
10h
MAC address 2
nd
, 1
st
(multicast bit is 1
st
of bit_0)
[15:11]
No define
Always zero
Configure internal PHY in different ways, such as 10BASE_T
half-duplex mode. If EEPROM auto loader not found 5AA5h
pattern in first word then internal PHY will be not been manual
configuration. (Default is Auto-negotiation enable with all
capabilities)
Description
[10:8]
000
001
Function
Auto-negotiation enable with all capabilities
Auto-negotiation with 100BASE-TX FDX / HDX
ability
Auto-negotiation with 10BASE-T FDX / HDX
ability
Reserved
Manual selection of 100BASE-TX FDX
Manual selection of 100BASE-TX HDX
Manual selection of 10BASE-T FDX
Manual selection of 10BASE-T HDX
Always zero
IRQ_TYPE_EEP This bit will logic OR with BTCR (15h) bit-5 and will been
clear when host write BTCR. (Offset 15h)
IRQ_POL_EEP
This bit will logic OR with BTCR (15h) bit-4 and will been
clear when host write BTCR. (Offset 15h)
No define
Always zero
NE2000_PROM When set, AX88196B internal memory map of 1Ch ~ 1Fh will
be configured to 57h. An ASCII code “W”. Otherwise
configured to 42h. An ASCII code “B”.
No define
Always zero
06h
Indicates the total of word counts for auto loading
A5h
Programmed pattern
010
011
100
101
110
111
[10:8]
PHY_CONFIG
[7:6]
[5]
No define
[4]
[3]
[2]
2h
[1:0]
[15:0]
[15:0]
1h
0h
00h
5Ah
Tab - 7 EEPROM data format example
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