參數資料
型號: 84C300A
英文描述: 84C300A 4-Port Fast Ethernet Controller manual 3/98
中文描述: 84C300A 4端口快速以太網控制器手冊3 / 98
文件頁數: 11/56頁
文件大?。?/td> 523K
代理商: 84C300A
84C300A 4-Port
Fast Ethernet Controller
4-11
MD400152/E
Pin
204
Pin Name
COLL_4
I/O
I
Description
Collision Port 4
This input indicates that a transmission contention has occurred on the
transmission medium connected to port #4. The collision input is
latched internally. Sampled during transmission, Collision is set by an
active high pulse on the COLL input and automatically reset at the end
of transmission of the JAM sequence.
205
DAISY_OUT
O
Test Mode
This output is used for parametric test of the I/O’s only.
It should not
be externally connected.
2, 14, 28, 33,
52, 53, 70,
78, 102, 104,
114, 126, 132,
135, 154, 157,
158, 178, 183,
189, 193
V
DD
Power Supply 5V +/– 5%
1, 3, 13
19, 27, 34,
43, 51, 54,
55, 60, 66,
69, 76, 85,
90, 95, 103,
105, 106, 113,
122, 134,
144, 155,
156, 159,
165, 176,
179, 184,
200, 207,
208
GND
Ground 0 Volts
206
NC
No Connect
Note:
All inputs must never be left floating even if they are not in use. For example the RX_DV pins must be driven either
HIGH or LOW even if the corresponding channel is not in MII mode. Exceptions to this rule are the pins onetrymode (152),
and A3 (153) which have internal pull downs.
Pin Description (cont.)
相關PDF資料
PDF描述
84C30A 84C30A 10 Mbps Controller (MAC) manual 12/96
84C300A 4-Port Fast Ethernet Controller(四端口快速以太網控制器)
84CNQ035 Schottky Rectifier
84CNQ040 Schottky Rectifier
84CNQ045 Schottky Rectifier
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