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參數(shù)資料
| 型號(hào)： | AM79C90JCTR |
| 廠(chǎng)商： | ADVANCED MICRO DEVICES INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | KPTC6CG10-6P |
| 中文描述： | 1 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁(yè)數(shù)： | 18/62頁(yè) |
| 文件大?。?/td> | 437K |
| 代理商： | AM79C90JCTR |
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AMD
P R E L I M I N A R Y
1
8
Am79C90
Differences Between Ethernet Versions 1
and 2
a. Version 2 specifies that the collision detect of the
transceiver must be activated during the inter-
packet gap time.
b. Version 2 specifies some network management
functions, such as reporting the occurrence of colli-
sions, retries and deferrals.
c. Version 2 specifies that when transmission is ter-
minated, the differential transmit lines are driven to
0 volt differentially (half step).
Differences Between IEEE 802.3 and
Ethernet
a. IEEE 802.3 specifies a 2-byte length field rather
than a type field. The length field (802.3) describes
the actual amount of data in the frame.
b. IEEE 802.3 allows the use of a PAD field in the
data section of a frame, while Ethernet specifies
the minimum packet size at 64 bytes. The use of a
PAD allows the user to send and receive packets
which have less than 46 bytes of data.
A list of significant differences between Ethernet and
IEEE 802.3 at the physical layer include the following:
IEEE 802.3
Half Step
Ethernet
Full Step (Rev 1)
or
Half Step (Rev 2)
0 – +5 V
1.6 mA
±
40%
End of Transmission
State
Common Mode Voltage
Common Mode Current Less than 1 mA
Receive
±
, Collision
±
Input Threshold
Fault Protection
±
5.5 V
±
160 mV
16 V
±
175 mV
0 V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C90PC | CMOS Local Area Network Controller for Ethernet (C-LANCE) |
| AM79C90PCTR | CMOS Local Area Network Controller for Ethernet (C-LANCE) |
| AM79C930 | PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| AM79C930VCW | PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
| AM79C940VCW | Media Access Controller for Ethernet (MACE) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C90PC | 制造商:AMD 制造商全稱(chēng):Advanced Micro Devices 功能描述:CMOS Local Area Network Controller for Ethernet (C-LANCE) |
| AM79C90PCB | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:LAN Node Controller |
| AM79C90PCTR | 制造商:AMD 制造商全稱(chēng):Advanced Micro Devices 功能描述:CMOS Local Area Network Controller for Ethernet (C-LANCE) |
| AM79C90WW WAF | 制造商:Advanced Micro Devices 功能描述: |
| AM79C930 | 制造商:AMD 制造商全稱(chēng):Advanced Micro Devices 功能描述:PCnet-Mobile Single-Chip Wireless LAN Media Access Controller |
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