參數(shù)資料
型號(hào): AM7996DCTR
廠商: Advanced Micro Devices, Inc.
英文描述: IEEE 802.3/Ethernet/Cheapernet Transceiver
中文描述: 電機(jī)及電子學(xué)工程師聯(lián)合會(huì)802.3/Ethernet/Cheapernet收發(fā)器
文件頁(yè)數(shù): 6/18頁(yè)
文件大?。?/td> 179K
代理商: AM7996DCTR
AMD
6
Am7996
APPLICATIONS
The Am7996 is compatible with Ethernet Version 2 and
IEEE 802.3 10BASE5 and 10BASE2 applications. (See
Figure 1).
Local
CPU
Local
Memory
Am7990
LANCE
Am7992B
SIA
Local Bus
Am7996
Transceiver
Power
Supply
Ethernet
Coax
RG58
BNC "T"
Ethernet
DTE
AUI
Cable
MAU
Tap
AUI - Attachment Unit Interface
DTE - Data Terminal Equipment
MAU - Media Access Unit
Cheapernet
Local
CPU
Local
Memory
Am7990
LANCE
Am7992B
SIA
DTE
Am7996
Transceiver
Power
Supply
Local Bus
07506E-4
Figure 1. Typical Ethernet Node
Table 1.
Transmit Mode Collision Detect
Function Table
MAU
Mode of Operation
< 2
= 2
> 2
Transmitting
No
Yes
Yes
Not Transmitting
No
May
Yes
Number of Transmitters
Table 2.
IEEE 802.3 Recommended Transmit
Mode Collision Detect Thresholds
No Detect
Must Detect
10BASE5, Ethernet
–1.492 V
10BASE2, Cheapernet
–1.404 V
–1.782 V
IEEE 802.3
Threshold Voltage Level
Table 3.
Receive Mode Collision Detect
Function Table
MAU
Mode of Operation
< 2
= 2
> 2
Transmitting
No
Yes
Yes
Not Transmitting
No
Yes
Yes
Number of Transmitters
Table 4.
IEEE 802.3 Recommended Receive
Mode Collision Detect Thresholds
No Detect
Must Detect
10BASE5, Ethernet
–1.492 V
–1.629 V
10BASE2, Cheapernet
–1.404 V
–1.581 V
IEEE 802.3
Threshold Voltage Level
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