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參數(shù)資料
| 型號(hào)： | AX88780_07 |
| 廠商： | ASIX Electronics Corporation |
| 英文描述： | IC,D/A CONVERTER,MC144110DW, 6-BIT,5-15V,SOIC-20,3-7US SER. |
| 中文描述： | 高性能非PCI單芯片32位10/100M自適應(yīng)快速以太網(wǎng)控制器 |
| 文件頁數(shù)： | 31/55頁 |
| 文件大?。?/td> | 379K |
| 代理商： | AX88780_07 |
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AX88780
31
ASIX ELECTRONICS CORPORATION
4.39 PROMCTRL--EEPROM Control Register
Offset Address= 0xFCB4 Default = 0x0000_0000
Field
31:15
14:12 ROM_CMD R/W 000
Name
-
Type Default
R
All 0’s
Description
Reserved
EEPROM Command Code.
Driver set this field to represent what type command will be send to EEPROM
device.
110 = read command
111 = erase command
101 = write command
Write EEPROM
Set to ‘1’ to write EEPROM, it will be cleared when MAC finished the write
operation.
Read EEPROM
Set to ‘1’ to read EEPROM, it will be cleared when MAC finished the read
operation. Driver can read PROMDPR register to get the returned data.
Reload EEPROM
Set to ‘1’ to re-load EEPROM, this bit will be cleared when MAC finished
loading operation.
Reserved
EEPROM Address
Set this field to define the address for serial EEPROM access. (only support
16-bit data access, 93C56 type)
11
ROM_WT
R/W 0
10
ROM_RD
R/W 0
9
ROM_RLD R/W 0
8
7:0
-
R
0
ROM_ADDR R/W 0x00
4.40 MAXRXLEN--Max. RX Packet Length Register
Offset Address= 0xFCB8 Default = 0x0000_0600
Field
31:11
10:0
Name
-
RXLEN R/W
Type
R
Default
All 0’s
0x600
Description
Reserved
Max RX Packet length
This field defines the max length of received packet. It doesn’t include 4-byte
CRC.
4.41 HASHTAB0--Hash Table0 Register
Offset Address = 0xFCC0 Default = 0x0000_0000
Field
Name
Type
Default
31:16
-
R
All 0’s
15:0
HTAB0 R/W
0x0000
Description
Reserved
Hash table: bit15~bit0
Driver sets HASHTAB0, HASHTAB1, HASHTAB2 and HASHTAB3 to define
64-bit hash table. AX88780 will refer this table to check multicast packet if
multicast filter is enabled for RX. When AX88780 receives a packet then it
extracts the destination address (DA). The DA is calculated by CRC32 algorithm.
After the operation, AX88780 will grab the MSB[31:27] of result as hash table
index. The range of index is from 0 to 63. For example, the hash table is
composite as {HASHTAB3[15:0], HASHTAB2[15:0], HASHTAB1[15:0],
HASHTAB0[15:0]}. If AX88780 detects the MSB[31:27] = 26 of CRC32 of DA
for someone multicast packet, and driver set ‘1’ to HASHTAB1[10], then the
multicast packet will received by AX88780.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AX88782 | 制造商:ASIX 制造商全稱:ASIX 功能描述:ASIX Multi-Port Ethernet Controller |
| AX88783 | 制造商:ASIX 制造商全稱:ASIX 功能描述:ASIX Multi-Port Ethernet Controller |
| AX88790L | 制造商:ASIX 制造商全稱:ASIX 功能描述:10/100BASE 3-in-1 PCMCIA Fast Ethernet Controller |
| AX88796 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3-in-1 Local Bus Fast Ethernet Controller |
| AX88796ALF | 制造商:ASIX 功能描述:10/100 MAC,COMMERCIAL 128PIN |
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